What effect does excessive positive ions have on some people?A．They think they are mad.B．They feel very tired.C．They become violently sick.D．They are too tired to do anything.
题目
What effect does excessive positive ions have on some people?
A．They think they are mad.
B．They feel very tired.
C．They become violently sick.
D．They are too tired to do anything.
相似考题
更多“What effect does excessive positive ions have on some people?A．They think they are mad.B．They feel very tired.C．They become violently sick.D．They are too tired to do anything.”相关问题
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第1题：
Recent research had claimed that an excess of positive ions (离子) in the air can have an ill-effect on people's physical or psychological health. What are positive ions? Well, the air is full of ions, electrically charged particles, and generally there is a rough balance between the positive and the negative charges. But sometimes this balance becomes disturbed and a larger proportion of positive ions are found. This happens naturally before thunderstorms, earthquakes or when winds are blowing in certain countries. Or it can be caused by a build-up of static electricity indoors from carpets or clothing made of man-made fibers, or from TV sets, duplicators or computer display screens.
When a large number of positive ions are present in the air many people experience unpleasant effects such as headaches, fatigue, irritability, and some particularly sensitive people suffer nausea (恶心) or even mental disturbance. Animals are also found to be affected, particularly before earthquakes; snakes have been observed to come out of hibernation(冬眠), rats to flee from their burrows, dogs howl and cats jump about unaccountably. This has led the US Geographical Survey to fund a network of volunteers to watch animals in all effort to foresee such disasters before they hit vulnerable areas such as California.
Conversely, when large numbers of negative ions are present, then people have a feeling of well-being. Natural conditions that produce these large amounts are near the sea, close to waterfalls or fountains, or in any place where water is sprayed, or forms a spray. This probably accounts for the beneficial effect of a holiday by the sea, or in the mountains with tumbling streams or waterfalls.
To increase the supply of negative ions indoors, some scientists recommend the use of ionizers : small portable machines which generate negative ions. They claim that ionizers not only clean and refresh the air but also improve the health of people sensitive to excess positive ions. Of course, there are the detractors, other scientists, who dismiss such claims and are skeptical about negative/positive ion research. Therefore people can only make up their own minds by observing the effects on themselves, or on others, of a negative rich or poor environment.
After all, it is debatable whether depending on seismic readings to anticipate earthquakes is more effective than watching the cat.
According to the passage, static electricity can be caused by
A．using home-made electrical goods.
B．wearing clothes made of natural materials.
C．walking on artificial floor coverings.
D．copying TV programs on a computer.
正确答案：C
解析：由题干static electricity定位在首段末句，用人造纤维做成的地毯或衣物可能产生静电。man—made“人造的”相当于artificial。故C为答案。文中仅提到电视机、复印机和电脑显示屏会产生静电，而A说法太笼统了，所以不选。 -
第2题：
30． Which is right according to the passage?
A． People have too much time to talk with each other．
B． Life now is very simple．
C． Some families have become single-parent families．
D． Lots of mothers stay at home and look after their children．
正确答案：C
30.C【解析】根据文章的第二段可知；许多家庭解体，即变成了单亲家庭，故选c。 -
第3题：
Almost everyone knows the meaning of "Mr.", "Mrs.", and "Miss&qAlmost everyone knows the meaning of "Mr.", "Mrs.", and "Miss". "Mr." is used before the names of gentlemen. "Mrs." is for married women and "Miss" is for single women. But what is "Ms."?
For some time, businessmen in the US have used "Ms." before a woman's name when they do not know whether or not the woman is marrieD.Today, however, many women prefer to use "Ms." rather than "Mrs." or "Miss". The word "Mr." does not tell us whether a man is married or not. Many women think this is an advantage for men. They want to be equal to men in this way. These women feel that it is not important for people to know whether or not they are marrieD.
There are some problems with "Ms.", however. Not all women like it. Some like the older ways of doing things. Some find it difficult to pronounce. ("Ms." sounds like [miz].) Generally, young women like it better than older women do. It is difficult to know whether "Ms." will be used by more American women in the future or not. What do you think of this change?
1. Many young women prefer to use "Ms." because ________.
：A.they think themselves as good as men
B.it doesn't tell whether they're married or not
C.the word sounds more pleasant than "Mrs." does
D.the word has been used for a long time
正确答案：B
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第4题：
III阅读理解（20分）
A
There are many different kinds of cars in the world． My uncle thinks this is because cars are like their drivers． He says: "Rich people have expensive cars，big people have large cars，and old people drive old cars． "But I don-t agree with him．
My neighbor，Mrs Hill，is 82 years old． She drives only to the bank on Tuesdays． She never drives more than 30 kilometers an hour． Do you think Mrs Hill has a very old and small car? No! Her car is new．lt-s very large，and it can g0 200 kilometers an hour!
My friend Mike is an artist． He draws beautiful pictures with lots of colors． But his car is black! Mrs Bates has a very，very old car．lt often has engine trouble． Does she drive that kind of car because she is poor? No，she has four factories and two million dollars in the bank． My aunt Mary has a very small car． Every Sunday，she．drives to the country with her husband，her three children，her mother and their dog．
Now，you have read about some people and their cars． Do you agree with my uncle? Maybe your family have cars． Do you want to say something about them?'
( )21． What does the writer-s uncle think of cars and their drivers?
A． Big people drive small cars．
B． Old people drive new cars．
C． Poor people have expensive cars．
D． Rich people have dear cars．
正确答案：D
Ⅲ．21.D【解析】从文中第一段第三句作者叔叔说的话中“...Rich people have expensive cars”可知答案． -
第5题：
As recently as three decades ago,many Americans believed that using credit was an unwise and?dangerous way to pay for what they bought．Some even thought that owing money to a store or a?credit company was something to be ashamed of．Good citizens,they believed,always bought what?they wanted with real money and they paid the full price immediately．
Today,however,all that has changed．Credit,as some observers have noted,has become a?way of life in the United States．More and more Americans now are depending on those small pieces?of plastic,credit cards,to pay for large purchases such as televisions,record players or furniture．Many people today would consider it unusual not to use a credit card to pay for a costly restaurant?dinner,a hotel room or an airline trip．And there are some situations in which Americans must have?credit cards．If they want the temporary use of a car,for example,they first must give the car rental?company the number of their credit card．That number is considered a guarantee that they will return?the car and pay for using it．
Credit cards offer two major services to Americans．First of all,they are easier and safer to?carry than large amounts of money．Second,they permit people to borrow,to have the immediate?pleasure of owning something,even if they do not have enough money to pay for it at the time．With?credit cards people pay for goods or services at the end of each month instead of when they buy them．And when the time does come to pay,most credit cards offer people a choice．They can pay all of?what they owe for the month or they can just pay usually between 5 and 10 percent of what they owe．
What do Americans feel about using credit cards nowadays according to the?passage?A.They consider it valuable．
B.They regard it as a shame．
C.They think it dangerous．
D.They find it quite convenient．答案：D解析：【考情点拨】推理判断题。
【应试指导】文章第一段写以前美国人对信用卡的看法很不好，第二段写如今人们的态度发生了改变，越来越多的人使用信用卡，有了信用卡生活更方便，故选D。 -
第6题：
资料：When we see well，we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are.
People who are near-sighted can only see things that are very close to their eyes，Everything else seems blurry（=unclear）.Many people who do a lot of work，such as writing，reading and sewing become near-sighted.
People who are far-sighted suffer from just the opposite problem. They can see things that are far away，but they have difficulty in reading a book unless they hold it at arm’s length. If they want to do much reading，they must get glasses，too.
Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism. This，too，can be corrected by glasses. Some people’s eyes become cloudy because of cataracts. Long ago these people often became blind. Now，however，it is possible to operate on the cataracts and remove them.
Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle. To prove this to yourself，look at an object out of one eye；Then look at the same object out of your other eye. You will find the object’s relation to the background and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.
Having two eyes instead of one is particularly useful for______.A.looking over a wide area
B.seeing objects far away
C.judging distances
D.seeing at night答案：C解析：本题考查的是细节理解。
【关键词】Having two eyes instead of one；useful for
【主题句】第5自然段Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle.拥有两只好眼睛对于判断距离非常重要。每只眼睛从略微不同的角度看东西。
【解析】本题的问题是“两只眼睛相较一只眼睛对于______特别有用。”A选项“俯瞰广阔的区域”；B选项“远处看物体”；C选项“判断距离”；D选项“晚上看东西”。根据主题句，C选项正确。 -
第7题：
根据以下材料，回答题
Do you have any idea what you would liketo be and do after graduation A lot of people don′t begin thinking aboutcareers until they reach junior or senior year, which, in my opinion, is toolate.
When people are trying to decide what theywant to do, it helps to know something they love.
Ever since I was little, I′ve always beendoing someone′s hair, make-up or nails, starting with Barbie dolls andprogressing to humans. Over the years my family has really inspired me to dothis and now I fix friends′ and family members′ hair for weddings, dances andother big events.
I have been thinking about what 1 would liketo do for a career since middle school. I did some research and discovered thatI might really enjoy being a cosmetologist, so I went to my hair stylist andasked her lots of questions about what it takes to reach her level and what shewould recommend
I do. I considered her advice and then didmore research.
I used Aveda′s website to get information onthe Aveda Institute and what type of credit (贷款) I would need from high school to apply. Ifound their institute has three parts: theoretical knowledge, practicalexperience, and professional business-building skills. For the past few years,I have been looking at Aveda in more and more detail. This school not onlyoffers cosmetology, but also massagetherapy. I grew up in Minnesota (美国中北部的一个州 ), so I planto apply to the institute in Minneapolis that several people have highlyrecommended. It helps students become "future industry leaders in haircare, skin care, makeup and total body wellness". It is affordable and everyonethere is friendly and understanding.
Having done the groundwork and thinkingabout what I′d like to do after high school, I know that I will definitelypursue my dream of becoming a cosmetologist.
Why does the author think it′s too latefor people to start thinking about careers in junior or senior year 查看材料A.Because he/she began to think about themwhen very young.
B.Because many people are too old to learn.
C.Because a lot of people can't grasp theopportunity.
D.Because many people have little theylove.答案：A解析：推断题。根据第二段可知，作者很小的时候，就开始想这个问题了。 -
第8题：
Life gets noisier every day and very few people can free from noise of some sort or another.It doesn′t matter where you live--in the middle of a modem city,or a faraway village--the chances that you will be disturbed by jet aero planes,transistor radios,oil powered engines,etc.,are almost everywhere.We seem to be getting used to noise,too.Some people feel quite lonely without background music while they are working.
Scientific tests have shown that total silence can be very frightening experience for human beings.However,some people enjoy listening to pop music which is very loud,and this can do harm to their eardrums（耳鼓）.The noise level in some disco is far above the usual safety level for heavy industrial areas.
One recent report about noise and concentration（专心）suggested that although a lot of people say that any noise disturbs their concentration,what really affects their ability to concentrate is a change in the level of noise.It goes on to say that a background noise,which doesn′t change too much（music,for example）may even help people to concentrate.
From this passage,the pollution of noiseA.doesn't matter much
B.has become worse everywhere
C.has become better in big cities
D.has become better in villages答案：B解析：考情点拨:事实细节题。应试指导:从第一段可知，生沼每天都在变得更加喧闹，很少有人不被噪音干扰。噪音污染到处都变得很严重。 -
第9题：
Life gets noisier every day and very few people can free from noise of some sort or another.It doesn′t matter where you live--in the middle of a modem city,or a faraway village--the chances that you will be disturbed by jet aero planes,transistor radios,oil powered engines,etc.,are almost everywhere.We seem to be getting used to noise,too.Some people feel quite lonely without background music while they are working.
Scientific tests have shown that total silence can be very frightening experience for human beings.However,some people enjoy listening to pop music which is very loud,and this can do harm to their eardrums（耳鼓）.The noise level in some disco is far above the usual safety level for heavy industrial areas.
One recent report about noise and concentration（专心）suggested that although a lot of people say that any noise disturbs their concentration,what really affects their ability to concentrate is a change in the level of noise.It goes on to say that a background noise,which doesn′t change too much（music,for example）may even help people to concentrate.
Scientists have discovered that what prevents people from concentrating isA.any kind of noise
B.great changes in level of noise
C.background,noise
D.various background music答案：B解析：考情点拨:事实细节题。应试指导:从第三段第一句可知，真正影响人们集中精力的是噪音级别的改变。
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第10题：
问答题Now Internet has almost become the symbol of information age. Some think that it is a very great invention because by it, they can do many things that were impossible before. But some view Internet with much disapproval because it distracts people's attention rather than help people do things better. What is your opinion about the influence of Internet on the modern society? Write an essay of about 400 words on the following topic:Internet and the Modern SocietyIn the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement, with appropriate details. In the last part you should bring what you have .written to a natural conclusion or a summary. Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.正确答案：
The Internet and the Modern Society Recently the influence of Internet has attracted much public attention. People worry about the time wasted on it, the damage caused by virus spread on it, and most of all, some violent crimes committed due to the violent games played on it. All these concerns may be reasonable. But if we take a broader perspective, we may find that Internet has had many positive impacts on the modern society.
First of all, Internet has made the access to information more convenient. In .the past, people could get information they wanted through only limited channels, such as newspaper, radio, and television. This means that only a certain amount of people could get the information at a certain time and in a certain place. But now with the help of internet, people can get information no matter when they want. As a researcher has pointed out, information explosion means that people live in the ocean of information, and Internet has been essential to make that true.
Besides, Internet has also made communication more convenient. Sociologists agree that communication is vital to maintain harmonious human relation, but the communication was rather inconvenient in the past despite the continuous improvement of technology. Letters have been so slow as to be nicknamed snail mail; telegraph and telephone may be quicker, but they have been very costly. But now many new communication tools developed on the basis of the Internet, such as e-mail, msn and QQ, have made talking to a person extremely quick, convenient, and virtually free of charge. This will undoubtedly improve the human relation in the modern world.
The most important impact, however, is that Internet has made social interaction more convenient. Before the Internet era, various social institutes had only limited options to choose from if they wanted to reach the public, and naturally the result was usually unsatisfactory. But now in the Internet era, all these institutes can set up their own websites, which can not only provide the public with information but also collect reaction from the public. For example, the government can collect people's opinion about a certain project through the Internet, producers can promote products through Internet, and universities can clarify admission policies through Internet. The result is that Internet can help to bring about a more open, fair and interactive society.
In a word, more convenient social interaction, personal communication and access to information are the three major changes the Internet has made in the modern society. Although there do exist some problems with the Internet, these positive influences certainly are more important. What we should do is to find measures to solve the problems rather than just talk about them. Just as the proverb goes, we should not stop eating for fear of being choked.解析：
本题的题目首先列举了人们对互联网的两种看法，然后要求考生谈论自己对关于“互联网对现代社会的影响”。本文的引言段采用的是转折式(self-refutation)。作者先列举了互联网的一些问题，然后话锋一转，提出互联网的影响主要是积极的这一观点。在正文段落中，作者分别从三个方面阐述互联网的影响，即获取信息更方便、人际交流更方便和社会互动更方便。这一顺序非常合理，从个人到社会，符合范围从小到大、水平从低到高的规律。前面两段的衔接词分别为first of all和besides，第三段则使用了the most important impact，however，这起到了很好的强调作用。另外，第一段中的专家证言和第二段中的例子都使得文章的内容更加丰富。结论段使用in a word开始，作者在一句话中完成了summary。Final comment中的格言的使用，也为文章添色不少。 -
第11题：
单选题According to the passage, people have difficulty getting to sleep because ______.Athey work more than sixty hours a week
Bthey have too many enemies
Cthey do not sleep happily
Dthey are not tired enough
正确答案： C解析：
文章首段指出据爱丁堡大学的Dr. Ian Oswald称世界上十分之一的人都入睡困难，原因很简单，大多数人睡不着觉是因为自身问题：他们睡得太早了。也就是说身体还不累就睡觉了，故D项符合题意。 -
第12题：
问答题◆Topic 3: Will petty criminals get light punishment? Questions for Reference: 1. A new prosecution guideline was recently released: people convicted of petty crimes may get light punishment if they are minors, the elderly people, and people who have slightly breached the law because of poverty. What do you think of this new law? 2. This new law is said to be a humane practice and it will help them put their lives back in order and better serve their families. Do you think it can achieve its end? 3. Some people think that if petty crimes are not punished in a timely way, more serious consequences will follow. What do you think of this argument?正确答案： 【参考答案】
My name is…My registration number is…My topic is: Will petty criminals get light punishment?
A new prosecution guideline was recently released. It says that if the petty criminals are minors, old or very poor, they may get light punishment. The public hold different attitudes towards this guideline.
Some people think that the regulation violates the principle that “everyone is equal before the law”. It also breaches the legal principle that citizens’ property is inviolable. But more people, me included, think that the new guideline represents the combination of leniency and severity, and it helps to promote social harmony. Although China is now richer than before, the gap between the rich and the poor is widening. Therefore, social conflicts may arise due to the widening of such gaps and there is the possibility for those who lack basic social security to violate laws for survival. As a way to tackle these problems, the judicial system surely needs to do something for the disadvantaged group. The stipulation that people who have committed a small crime because of poverty will be exempted from prosecution is actually a kind of protection to the helpless from a legal perspective.
Furthermore, we all know that the objective of the judicial system is to prevent crimes rather than to punish wrongdoers. If one is severely punished because he steals bread for survival, the punishment may damage his whole life and lead him to commit more serious crimes. Severity does reflect justice and objectivity, but sometimes leniency can be more effective in saving the soul of an individual, because it will affect the hearts and minds of the petty criminals. It reflects tolerance and humanity and may play a more positive role in helping criminals make a fresh start.
In a word, if the law can show both leniency and severity at the same time, it will be the most解析： 暂无解析 -
第13题：
Mary: What are you working on? Susan: I'm doing some embroidery. Mary: ______ Susan: I don't do very much, just for very special occasions.
A．I didn't know you did needlework.
B．I think you have done a good job.
C．Where did you learn to do needlework?
D．Why do you do needlework?
正确答案：A
解析：选项A中，Mary对Susan会刺绣表示意外，这与Susan的对答“我不常做，只是在特殊时候做一做。”语义相连。对于B的应答应该是礼貌地表示谢意，若选C或D，Susan的回答则显得答非所问。 -
第14题：
People sometimes don’t pay much attention to what a film is about because _______.A.they dislike it
B.the crowd is too noisy
C.the landscape is a mighty distraction
D.the weather is very hot in the summertime
正确答案:C
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第15题：
According to Allen, why did the people do better with pets around when l~cing stressful tasks?
A．They have lower blood pressure.
B．They become more patient.
C．They are less nervous.
D．They are in higher spirits.
正确答案：C
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第16题：
Do you have any idea what you would like to be and do after graduation? A lot of people don′! begin thinking about careers until they reach junior or senior year, which, in my opinion, is too late.
When people are trying to decide what they want to do, it helps to know something they love. Ever since I was little, I′ve always been doing someone′s hair, make-up or nails, starting with Barbie dolls and progressing to humans. Over the years my family has really inspired me to do this and now I fix friends′ and family members′ hair for weddings, dances and other big events.
I have been thinking about what I would like to do for a career since middle school. I did some research and discovered that I might really enjoy being a cosmetologist, so I went to my hair stylist and asked her lots of questions about what it takes to reach her level and what she would recommend I do. I considered her advice and then did more research.
I used Aveda′ s website to get information on the Aveda Institute and what type of credit (贷款) I would need from high school to apply. I found their institute has three parts: theoretical knowledge, practical experience, and professional business-building skills. For the past few years, I have been looking at Aveda in more and more detail. This school not only offers cosmetology, but also massage therapy. I grew up in Minnesota (美国中北部的一个州), so I plan to apply to the institute in Minneapolis that several people have highly recommended. It helps students become "future industry leaders in hair care, skin care, makeup and total body wellness". It is affordable and everyone there is friendly and understanding.
Having done the groundwork and thinking about what I′d like to do after high school, I know that I will definitely pursue my dream of becoming a cosmetologist.
Why does the author think it′s too late for people to start thinking about careers in junior or senior year?A.Because he/she began to think about them when very young.
B.Because many people are too old to learn.
C.Because a lot of people can't grasp the opportunity.
D.Because many people have little they love.答案：A解析：推断题。根据第二段可知，作者很小的时候，就开始想这个问题了。 -
第17题：
资料：When we see well，we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are.
People who are near-sighted can only see things that are very close to their eyes，Everything else seems blurry（=unclear）.Many people who do a lot of work，such as writing，reading and sewing become near-sighted.
People who are far-sighted suffer from just the opposite problem. They can see things that are far away，but they have difficulty in reading a book unless they hold it at arm’s length. If they want to do much reading，they must get glasses，too.
Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism. This，too，can be corrected by glasses. Some people’s eyes become cloudy because of cataracts. Long ago these people often became blind. Now，however，it is possible to operate on the cataracts and remove them.
Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle. To prove this to yourself，look at an object out of one eye；Then look at the same object out of your other eye. You will find the object’s relation to the background and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.
People who suffer from astigmatism have______.A.a difficulty that can be corrected by an operation
B.eyes that are not exactly the right shape
C.an eye difficulty that cannot be corrected by glasses
D.one eye bigger than the other答案：B解析：本题考查的是细节理解。
【关键词】people；suffer from astigmatism
【主题句】第4自然段Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism. This，too，can be corrected by glasses. 其他人看不清楚，因为他们的眼睛形状不规则。他们有所谓的散光。 这也可以通过眼镜来纠正。
【解析】本题的问题是“患有散光的人__________。”A选项“可以通过手术纠正问题”；B选项“眼睛形状不规则”；C选项“一种无法用眼镜矫正的视力问题”；D选项“一只眼睛比另一只眼睛大”。根据主题句，散光主要是眼睛形状不规则造成的，但是可以通过戴眼镜来矫正，因此B选项正确。 -
第18题：
资料：When we see well，we do not think about our eyes very often. It is only when we cannot see perfectly that we realize how important our eyes are.
People who are near-sighted can only see things that are very close to their eyes，Everything else seems blurry（=unclear）.Many people who do a lot of work，such as writing，reading and sewing become near-sighted.
People who are far-sighted suffer from just the opposite problem. They can see things that are far away，but they have difficulty in reading a book unless they hold it at arm’s length. If they want to do much reading，they must get glasses，too.
Other people do not see clearly because their eyes are not exactly the right shape. They have what is called astigmatism. This，too，can be corrected by glasses. Some people’s eyes become cloudy because of cataracts. Long ago these people often became blind. Now，however，it is possible to operate on the cataracts and remove them.
Having two good eyes is important for judging distances. Each eye sees things from a slightly different angle. To prove this to yourself，look at an object out of one eye；Then look at the same object out of your other eye. You will find the object’s relation to the background and other things around it has changed. The difference between these two different eye views helps us to judge how far away an object is. People who have only one eye cannot judge distance as people with two eyes.
The underlined word suffer in the third paragraph probably means______.A.feel pain
B.imagine
C.are affected with
D.experience答案：A解析：本题考查的是推理判断。
【关键词】suffer；in the third paragraph；mean
【主题句】第3自然段People who are far-sighted suffer from just the opposite problem. They can see things that are far away，but they have difficulty in reading a book unless they hold it at arm’s length. 远视的人遭遇了相反的问题。他们可以看到很远的东西，但是他们看书有困难，除非保持一定的距离，否则很难阅读。
【解析】本题的问题是“第三段中带下划线的词suffer可能意味着_______”A选项“感到痛苦”；B选项“想象”；C选项“受到影响”；D选项“经历，经验”。根据主题句，远视的人遭遇着相反的问题，故A选项正确。 -
第19题：
Life gets noisier every day and very few people can free from noise of some sort or another.It doesn′t matter where you live--in the middle of a modem city,or a faraway village--the chances that you will be disturbed by jet aero planes,transistor radios,oil powered engines,etc.,are almost everywhere.We seem to be getting used to noise,too.Some people feel quite lonely without background music while they are working.
Scientific tests have shown that total silence can be very frightening experience for human beings.However,some people enjoy listening to pop music which is very loud,and this can do harm to their eardrums（耳鼓）.The noise level in some disco is far above the usual safety level for heavy industrial areas.
One recent report about noise and concentration（专心）suggested that although a lot of people say that any noise disturbs their concentration,what really affects their ability to concentrate is a change in the level of noise.It goes on to say that a background noise,which doesn′t change too much（music,for example）may even help people to concentrate.
"Background music"in the passage meansA.music played in the concert
B.a kind of noise coming into your ears
C.music which helps people to concentrate
D.music played while people are working答案：D解析：考情点拨:词义猜测题。应试指导:从第一段最后一句可知，background music是人们工作时听的音乐。 -
第20题：
Life gets noisier every day and very few people can free from noise of some sort or another.It doesn′t matter where you live--in the middle of a modem city,or a faraway village--the chances that you will be disturbed by jet aero planes,transistor radios,oil powered engines,etc.,are almost everywhere.We seem to be getting used to noise,too.Some people feel quite lonely without background music while they are working.
Scientific tests have shown that total silence can be very frightening experience for human beings.However,some people enjoy listening to pop music which is very loud,and this can do harm to their eardrums（耳鼓）.The noise level in some disco is far above the usual safety level for heavy industrial areas.
One recent report about noise and concentration（专心）suggested that although a lot of people say that any noise disturbs their concentration,what really affects their ability to concentrate is a change in the level of noise.It goes on to say that a background noise,which doesn′t change too much（music,for example）may even help people to concentrate.
Some people may have their hearing hurtA.while they are in complete silence
B.while they are dancing violently
C.while they are listening to pop music
D.while they are listening to soft music答案：C解析：考情点拨:事实细节题。应试指导:从第二段第二句可知，流行音乐声音很大，对耳鼓有害 -
第21题：
问答题Practice 8 You should spend about 40 minutes on this task. Write about the following topic: Some people think people have benefited from modern communications technology, but other people think some people have not benefited at all. To what extent do you agree or disagree? You should write at least 250 words.正确答案： 【参考范文】
Daily communication tools make the distance between people shrink. There are various ways such as mobile phones, Facebook, Twitter and E-mail which changes our life from daily life to work style. As for the dramatic and rapid changes, people in all walks of life hold different opinions. Personally, it is a must to be tolerant of the new technological innovations.
It is undeniable that all these high-tech tools can alienate the virtual interpersonal relationship that exists between people. If we want to tell somebody something, we do not have to really see him, and we can send a short message, a E-mail, or leave one on Facebook. Regardless of the convenience, face-to-face conversations are still one of the best ways to understand each other.
High technologies provide us with more choices which can yield higher efficiency, which can be illustrated from three perspectives. Firstly, it is a useful time-saver for people greatly enjoy social life. Social network enable them to spare the trouble of heavy traffic in rush hours when they need to have contact with friends. Secondly, it is also a money-saver. Compared with the high cost of an official visit to someone or some place, chatting on-site or through telephone is much cheaper. If each company has an E-conference system, information sharing should never be a daydream in the era of information. Lastly, and most importantly, with the great help of new inventions, people may communicate with others without being limited to geographical difference. Namely, no matter where one stays, he or she can get in touch with people on the Internet at any time.
In summary, modem technologies are excellent assistants of our life and work, so it is wise to accept them and make full use of them properly.解析： 暂无解析 -
第22题：
问答题◆Topic 8: Is education Losing its Value? Questions for reference: 1. Some people think that this increased access to education is devaluing degrees. What’s your point of view? 2. What can the degrees bring to people? 3. Do you think it’s necessary to have increased emphasis on degrees in our society? Why?正确答案： 【参考答案】
People have several arguments against the need for degrees. They say that having so many graduates devalues a degree. People lose respect for the degree holder. It is also claimed that education has become a rat race. Graduates have to compete for jobs even after years of studying.
Another point is that studying for such a long time leads to. learners becoming inflexible. They know a lot about one narrow subject, but are unable to apply their skills. Employers prefer more flexible and adaptable workers.
However, I feel strongly that this move to having more qualifications is a positive development.
In the past education was only for the rich and powerful. Now it is available to everyone, and this will have many advantages for the country and the individual. First of all, it is impossible to be overeducated. The more people are educated, the better the world will be, because people will be able to discuss and exchange ideas. A further point is that people with degrees have many more opportunities. They can take a wider variety of jobs and do what they enjoy doing, instead of being forced to take a job they dislike. Finally, a highly educated workforce is good for the economy of the country. It attracts foreign investment.
In conclusion, although there are undoubtedly some problems with increased levels of education, I feel strongly that the country can only progress if all its people are educated to the maximum of their ability.解析： 暂无解析 -
第23题：
问答题◆Topic 7：TV—the Pandora’s Box to Children? Questions for Reference: 1) Some people think children’s spending time on TV and video is good, while others think it is bad. Discuss both views. 2) Give your own opinion about this issue. 3) What can we do to ensure the TV and video make a positive effect on our children?正确答案： 【参考答案】
It is true that a lot of children, from below 3 to high school, would like to spend time in watching a range of TV programs and videos. One of the most obvious reasons for this is that these are so attractive, vivid and touching our lives that the children who are curious cannot resist their temptation at all.
Some people, especially the parents, argue that this is very damaging. They probably begin by pointing out that their children who are limited in self-control and self-principle will easily take too much time in watching instead of being back to study after doing for a short while. In addition to this, it is well aware that the amount of violence and unhealthy pictures are filled with videos for some reasons. When children who are still simple watch too much amount without any correct guidance, some of them will easily break the laws in the realistic world by imitating the details of crimes.
However, others who disbelieve watching TV or video is bad claim that TV programs and the amount of videos can fully help children understand outside world or relax their stressful brains after intense study. Obviously, those who often watch TV have a wider range of knowledge and better understandings to our society than those who do not. All of this is beneficial to children’s growth and their future social life.
Overall, I would like to say that watching TV or videos are necessary for children who need knowledge and information, but the point is that parents must ensure their children not to watch too much or too long, and at the same time the Government should give a harsh warning to media with overuse of unhealthy contents. 解析： 暂无解析