单选题Interpersonal relationships are important because _____.A they are indispensable to people’s social well-beingB they awaken people’s desire to exchange resourcesC they help people to cope with life in the information eraD they can cure a range of illne
题目
they are indispensable to people’s social well-being
they awaken people’s desire to exchange resources
they help people to cope with life in the information era
they can cure a range of illnesses such as heart disease, etc
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更多“单选题Interpersonal relationships are important because _____.A they are indispensable to people’s social well-beingB they awaken people’s desire to exchange resourcesC they help people to cope with life in the information eraD they can cure a range of illne”相关问题
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第1题：
Social Workers
Social workers help people overcome problems and make their lives better. If people are homeless, sick, or having family problems, social workers will work with them. If students have trouble in school, social workers help them too.
Social workers help these people in different ways. One way is to find resources for people. They find out what kinds of help people need. Then, they set up programs to meet the needs of the individual. They may focus on child abuse, poverty, violence, and other problems. For someone with family difficulties, social workers may find a parenting class or a support group. For a homeless person, they may find a place for them to live and a career training program. For a student, they may find a mentor or a learning disability expert.
Many social workers give counseling. They talk to people about their lives and help them understand and solve their problems and to make plans.
Most social workers spend the day in an office. Some travel to the people they help. Sometimes, they meet with people in the evening or on weekends. Social workers can be very busy when they are helping many people at once.
1.According to the text, what is not social workers' job?
A.To help people with family problems.
B.To make people's lives better.
C.To do the housework for people.
2.For someone with family problems, social workers will
A.find them a place to live
B.find them a career training program
C.find them a parenting class
3.Social workers build _________to provide the help for people in need.
A.problems
B.days
C.resources
4.Which of the following sentence is NOT true?
A.Social workers give some advice to people.
B.Most social workers think of their job as boring.
C.Social workers may help many people at a time.
5.The main point of this passage is about___________ .
A.how busy social workers are
B.how social workers do their job
C.how tired social workers are
参考答案：CCCBB -
第2题：
Communication is important because it can help people to ______.
A.understand the world and other people better around us.
B.teach each other to speak, write, read and draw.
C.know what other people are thinking about
D.learn about mountains,blue sea and other things.
正确答案：A
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第3题：
On television all over the world there are programmes about the work of the police．They are popular because they are usually very exciting．In London there is a television programme called"Police Five"--because it is on for five minutes once a week．A television reporter,Shaw Taylor,talks about crimes in the London area．He asks for public help．The police station needs the help of ordinary people because sometimes you or I have information that can be useful to the police.
Shaw Taylor shows pictures of paintings,jewellery(珠宝)and other things which thieves stole during the week．Sometimes he shows the car that the thieves escaped in．When people see men or things on the television programme which they may remember,they can tell the police where they saw them．With their help the police may catch more criminals.
Sometimes the police find a car or some money．Shaw Taylor shows them on television．The owners sometimes see them．Then they can telephone the police and say,"Thank you very much--that's mine!"
The police station asks for public help because__.A.ordinary people like the television programme
B.ordinary people are interested in pictures of paintings,jewellery,et
C.the policemen can not catch the thieves themselves
D.ordinary people may help the policemen get useful information about the criminals答案：D解析：由第一段最后一句和第二段可知。 -
第4题：
共用题干
Stomach Ulcer
Stomach ulcers are the cause of severe pain for many people.Doctors have been able to help lessen the pain of ulcers.They could not cure them.Now doctors have discovered a cause of ulcers.This means they may have found a way to cure people who suffer from the stomach pain.Studies show that ten percent of the population will develop an ulcer at some time in their life.So a possible cure is good news for many people.
Ulcers are wounds in the stomach that are similar to small cuts or tears.These wounds can harm the tissue in the stomach,the pipe that carries the food to the stomach or parts of the small intestines.Fluids in the stomach then increase the pain of an ulcer.How does a person know he or she has an ulcer? Doctors say most people with ulcers feel a burning pain in their chest or stomach.This pain often is called heartburn.It usually happens before eating or during the night.It causes some people to lose their desire to eat,or they are unable to keep food in their stomachs.Doctors believed that ulcers were caused by unusually strong stomach fluids,which damaged stomach tissue.Now they have discovered that most ulcers are caused by a bacterial organism called Hillico Bactor Pilorie or H Pilorie.H Pilorie bacteria are what make stomach produce extra stomach fluid.Doctors found that they can kill the bacteria with medicines called antibiotics.Health experts say the discovery of a cure for ulcers can save thousands of millions of dollars in medical costs.They also believe curing ulcers will reduce the number of people who develop stomach cancer.The number of people with stomach cancer is very high in Japan,Southeast Asia and parts of Africa.
Doctors say a person is more likely to get an ulcer if someone in his or her family has had one.In fact a person with the family history of ulcers is three times more likely to get one than other people.There are ways people can protect themselves from developing an ulcer.Doctors say it is more important to reduce the amount of strong fluids in the stomach.To do this,doctors say,people should not smoke cigarettes or drink alcohol.And they say people should reduce tension in their lives.Now doctors can successfully cure stomach ulcers.
A:Right
B:Wrong
C:Not mentioned答案：B解析：由文章开头部分可知，过去医生能够减轻胃溃疡带来的痛苦，但是不能治愈该疾病。这就说明医生并不是对此病束手无策。故本题选B。
文章第一段第五句中提到，胃溃疡致病原因的发现意味着医生们有可能找到了治愈胃溃疡的方法，但文章并未提及医生能够成功地治愈该病，故选B。
由文章第一段倒数第二句可知，有10%的人在一生中会患上胃溃疡，题干的描述正确，故选A。
文章前两段中陈述的主要内容是医生们发现了引起胃溃疡的原因是一种称为HillicoBactorPilorie的细菌，但通篇并没有提及医生们进行多年的实验，故选C。
由文章第二段中第九句和第十句可知，过去医生们认为胃溃疡是过浓的胃液损伤胃组织所引起的，现在医生们又发现大多数胃溃疡是由一种病菌所引起的，故选A。
由文章第二段倒数第二句可知，医生们认为治愈胃溃疡能够减少胃癌的发病率。据此可知胃溃疡和胃癌的发生有着直接关系，故选A。
文章最后一段指出，家族中有胃溃疡病史的人更容易患上胃溃疡，要避免胃溃疡最重要的就是不吸烟、不饮酒，并减轻生活压力，但文章中并没有指出吃辛辣食物和患胃溃疡的关系，故选C。 -
第5题：
According to the passage，the combined efforts by govermments，layout unions and big corporations to guarantee economic comfort have led to a significant change in( )A.people’s outlook on life
B.people’s life styles
C.people’s living standard
D.people s social values答案：A解析：
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第6题：
They already guide blind and disabled people; now dogs are to be trained to help people with dementia (痴呆). The duties of these "guide dogs for the mind" will include reminding their owners to take medication, as well as encouraging them to eat, drink and sleep at regular intervals. The dementia dogs will be trained to respond to sound triggers in the home that prompt them to perform tasks. These could include delivering a bite-proof bag of medicine with a note inside reminding the patient to take it, or waking them up in the morning. The idea was developed by design students at the Glasgow School of Art and will now be put into practice by Alzheimer"s Scotland and Dogs for the disabled. Joyce Gray of Alzheimer"s Scotland said, "People in the early stages of dementia are still able to live a relatively normal life, and dogs help to maintain routine." The other advantage of using the pets as companions is that conversation can be increasingly confusing for people with Alzheimer"s, but dogs can give them a sense of silent support and companionship. People light up when they see animals. They don"t need to communicate verbally but they can still interact. You can have a speechless bond. The dog would also encourage the owner to take them out for walks, ensuring they keep exercising and interacting with other people.Having a conversation with people with dementia will be （）.
- A、difficult
- B、interesting
- C、confusing
- D、encouraging
正确答案:A -
第7题：
单选题They already guide blind and disabled people; now dogs are to be trained to help people with dementia (痴呆). The duties of these "guide dogs for the mind" will include reminding their owners to take medication, as well as encouraging them to eat, drink and sleep at regular intervals. The dementia dogs will be trained to respond to sound triggers in the home that prompt them to perform tasks. These could include delivering a bite-proof bag of medicine with a note inside reminding the patient to take it, or waking them up in the morning. The idea was developed by design students at the Glasgow School of Art and will now be put into practice by Alzheimer"s Scotland and Dogs for the disabled. Joyce Gray of Alzheimer"s Scotland said, "People in the early stages of dementia are still able to live a relatively normal life, and dogs help to maintain routine." The other advantage of using the pets as companions is that conversation can be increasingly confusing for people with Alzheimer"s, but dogs can give them a sense of silent support and companionship. People light up when they see animals. They don"t need to communicate verbally but they can still interact. You can have a speechless bond. The dog would also encourage the owner to take them out for walks, ensuring they keep exercising and interacting with other people.What is true about the people suffering from dementiaAThey would like to stay with other people.
BThey can maintain routine.
CThey will gradually lose the ability to live a normal life.
DThey would like to talk in a different way.
正确答案： D解析： [解析] 推理判断题。题干的大意是：对于老年痴呆病人的描述哪项是正确的从文中第四段Joyce Gray的话中可知，老年痴呆症早期患者仍然可以过相对正常的生活，由此可推断出逐渐地他们就会丧失这种正常生活的能力。故选项C正确。 -
第8题：
单选题AIt is helpful in reflecting the way people link information in the brain.
BIt prevents people from arranging things logically.
CIt makes people’s brain function the opposite way.
DIt affects people’s way of thinking.
正确答案： C解析：
对话中男士举例it has been shown that mapping out notes from a central sphere with lines radiating out in different directions is worth adopting because it reflects the way we link information in the brain。由此可知选项A正确。 -
第9题：
单选题Pills and lotions have been invented in Western Europe and North America_______.Ato protect people from sunburn
Bto make people look wealthy
Cto smooth people's skin
Dto help people to have a quick tan
正确答案： A解析： -
第10题：
单选题Interpersonal relationships are important because _____.Athey are indispensable to people’s social well-being
Bthey awaken people’s desire to exchange resources
Cthey help people to cope with life in the information era
Dthey can cure a range of illnesses such as heart disease, etc
正确答案： B解析：
主旨题。文章大意说，人们的社会交往可以帮助人们解决各种困难。同时增进健康和长寿，这种人际交往当然就给人们带来幸福；A项“良好的人际关系对人们是必不可少的”与文章大意相符。 -
第11题：
单选题According to the passage, which of the following is NOT TRUE?AMost voters support the government's effort to help young people to work.
BSome people protest against the government's attempt to force young people to work.
CThere are more than one million young people who took part in the program.
DThere are more than one million young people who are jobless.
正确答案： C解析： -
第12题：
单选题The case of identical twins from Germany shows that _____.Aenvironment can help determine people’s body shape
Bgenes are the decisive factors for people’s body shape
Cidentical twins are likely to enjoy different sports
Didentical twins may have different genes for different sports
正确答案： D解析：
第二段第二句，Rennie引用了德国一对单卵双胞胎的例子，其中一个是长跑运动员，另一个是力量型运动员。“虽然他们是双胞胎，但看上去完全不同。” -
第13题：
Advertisers appeal ________ young people's desire to conform.A.in
B.to
C.at
D.for
正确答案：B
解析：本题考查固定搭配的用法：appeal to 意思是“对谁有吸引力”。句意：“广告商迎合年轻人的趋众心理。”
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第14题：
Social change is less likely to occur in a society where people are quite similar in manyways because__________.A.people there have got so accustomed to their conditions that they seldom think it necessary to change
B.people there have identical needs that can be satisfied without much difficulty
C.people there are easy to please
D.people there are less disputed答案：A解析：由第一段最后一句“although conditions may not be satisfactory，they are at least custom-ary and undisputed”可知答案为A，此选项是对原文的同义转述。 -
第15题：
共用题干
Are Online Friends Real Friends? Modern computer technology has made a new kind of human relationship possible:online friendship. ______(46)Are online friendships as beneficial as face-to-face friendships?What are the acfvantages nd disadvantages of having virtual friends?Can people form strong bonds online?Today these questions are he subject of lively debate. Some people believe that the Internet is the best way to make new friends.It's convenient,it's fast, nd it allows to make contact with different kinds of people from all over the world.When you use social etworking websites and chat rooms,you can easily find people with interests and hobbies similar to yours. nformation updates and photos add to the experience.Making friends on the Internet is especially good for hy people who feel uncomfortable in social situations.It's often easier to share thoughts and feelings nline.______(47)They can make people feel less lonely and help them solve problems. Although the Internet can encourage friendship,it has a major disadvantage.______(48)Online riends only tell you what they want you to know.They sometimes exaggerate their good qualities and hide he less positive ones,so you can't be sure of what they really like.That is why you should not give ersonal information to anyone online unless you're totally sure of who that person is. Can online friendships be as meaningful as face-to-face ones?There are different points of view. esearchers at the University of Southern California surveyed 2,000 households in the United States.The re- ults showed that more than 40 percent of participants feel"as strongly about their online buddies"as they o about their"offline"friends.______(49)In contrast,there are many people who believe that it's ot possible to have deep relationships with online friends.A young Indian software engineer,Lalitha Lakshmipathy,says,"It's good to feel connected with many people,but all my e一buddies are not necessarily my close friends."______(50)They'say that it's hard to develop feelings of trust and connection when you don't share experiences in person. Peonle continue to express different opinions about online friendship.However,most of them Tou1d agree that virtual friendships must not replace face-to-face friendships.As one life coach says,"A social networking site should only be the‘add on’in any relationship."______(46)
A:Online friends,or virtual friends,are people who have become acquainted with each other through the Internet.
B:In addition,virtual friends can offer emotional support.
C:Many people would agree.
D:Researchers also found that it's not unusual for online friends to become face-to-face friends.
E:Online friends may be of help in many ways.
F:When you're not face to face,it's much easier to deceive people.答案：A解析：前面一句话讲到，现代计算机技术给人类带来了一种新型的人际关系，即网友。后面一句话提出问题，网友是否能像现实中的朋友一样提供帮助？从所给的这些句子来看，只有A项（网友，或称虚拟朋友，是指通过网络认识的人）是与此连贯的。故选A。
前面一句话讲到，在网络上分享思想和情感也更容易。后面一句话说，虚拟的朋友能够减少人们的孤独感，帮助他们解决问题。从所给的这些句子来看，只有B项（此外，网络虚拟朋友可以给人们以情感支持）是与此连贯的。故选B。
前面一句话讲到，网络虽然可以增进友谊，但它有一个最大的缺陷。后面一句话说，网络朋友只告诉你他们想让你知道的信息。从所给的这些句子来看，只有F项（由于没有面对面地接触，人们很容易受骗）是与此连贯的。故选F。
前面一句话讲到，调查结果显示，超过40%的受访者认为“网上的友谊”同“线下的友谊”一样牢固。后面一句话说，与此相对的是，许多人认为与网友发展深厚的友谊不太可能。此处应该是前面一句话的解释，并与后面一句形成对比。从所给的这些句子来看，只有D项（调查还显示，网友变为现实中的朋友也是比较常见的）是与此连贯的。故选D。
前面一句话讲到一名年轻的软件工程师的观点，他认为同很多人保持联系让人感觉很好，但是网上的朋友并不都是亲密的朋友。后面一句话说，他们认为，由于缺乏共同的经历，与网友发展相互之间的信任和联系是很困难的。从所给的这些句子来看，只有C项（很多人也同意这一观点）是与此连贯的。故选C。 -
第16题：
共用题干
Stomach Ulcer
Stomach ulcers are the cause of severe pain for many people.Doctors have been able to help lessen the pain of ulcers.They could not cure them.Now doctors have discovered a cause of ulcers.This means they may have found a way to cure people who suffer from the stomach pain.Studies show that ten percent of the population will develop an ulcer at some time in their life.So a possible cure is good news for many people.
Ulcers are wounds in the stomach that are similar to small cuts or tears.These wounds can harm the tissue in the stomach,the pipe that carries the food to the stomach or parts of the small intestines.Fluids in the stomach then increase the pain of an ulcer.How does a person know he or she has an ulcer? Doctors say most people with ulcers feel a burning pain in their chest or stomach.This pain often is called heartburn.It usually happens before eating or during the night.It causes some people to lose their desire to eat,or they are unable to keep food in their stomachs.Doctors believed that ulcers were caused by unusually strong stomach fluids,which damaged stomach tissue.Now they have discovered that most ulcers are caused by a bacterial organism called Hillico Bactor Pilorie or H Pilorie.H Pilorie bacteria are what make stomach produce extra stomach fluid.Doctors found that they can kill the bacteria with medicines called antibiotics.Health experts say the discovery of a cure for ulcers can save thousands of millions of dollars in medical costs.They also believe curing ulcers will reduce the number of people who develop stomach cancer.The number of people with stomach cancer is very high in Japan,Southeast Asia and parts of Africa.
Doctors say a person is more likely to get an ulcer if someone in his or her family has had one.In fact a person with the family history of ulcers is three times more likely to get one than other people.There are ways people can protect themselves from developing an ulcer.Doctors say it is more important to reduce the amount of strong fluids in the stomach.To do this,doctors say,people should not smoke cigarettes or drink alcohol.And they say people should reduce tension in their lives.Some people are likely to suffer from the stomach pain at some time in their life.
A:Right
B:Wrong
C:Not mentioned答案：A解析：由文章开头部分可知，过去医生能够减轻胃溃疡带来的痛苦，但是不能治愈该疾病。这就说明医生并不是对此病束手无策。故本题选B。
文章第一段第五句中提到，胃溃疡致病原因的发现意味着医生们有可能找到了治愈胃溃疡的方法，但文章并未提及医生能够成功地治愈该病，故选B。
由文章第一段倒数第二句可知，有10%的人在一生中会患上胃溃疡，题干的描述正确，故选A。
文章前两段中陈述的主要内容是医生们发现了引起胃溃疡的原因是一种称为HillicoBactorPilorie的细菌，但通篇并没有提及医生们进行多年的实验，故选C。
由文章第二段中第九句和第十句可知，过去医生们认为胃溃疡是过浓的胃液损伤胃组织所引起的，现在医生们又发现大多数胃溃疡是由一种病菌所引起的，故选A。
由文章第二段倒数第二句可知，医生们认为治愈胃溃疡能够减少胃癌的发病率。据此可知胃溃疡和胃癌的发生有着直接关系，故选A。
文章最后一段指出，家族中有胃溃疡病史的人更容易患上胃溃疡，要避免胃溃疡最重要的就是不吸烟、不饮酒，并减轻生活压力，但文章中并没有指出吃辛辣食物和患胃溃疡的关系，故选C。 -
第17题：
They already guide blind and disabled people; now dogs are to be trained to help people with dementia (痴呆). The duties of these "guide dogs for the mind" will include reminding their owners to take medication, as well as encouraging them to eat, drink and sleep at regular intervals. The dementia dogs will be trained to respond to sound triggers in the home that prompt them to perform tasks. These could include delivering a bite-proof bag of medicine with a note inside reminding the patient to take it, or waking them up in the morning. The idea was developed by design students at the Glasgow School of Art and will now be put into practice by Alzheimer"s Scotland and Dogs for the disabled. Joyce Gray of Alzheimer"s Scotland said, "People in the early stages of dementia are still able to live a relatively normal life, and dogs help to maintain routine." The other advantage of using the pets as companions is that conversation can be increasingly confusing for people with Alzheimer"s, but dogs can give them a sense of silent support and companionship. People light up when they see animals. They don"t need to communicate verbally but they can still interact. You can have a speechless bond. The dog would also encourage the owner to take them out for walks, ensuring they keep exercising and interacting with other people.What is true about the people suffering from dementia
- A、They would like to stay with other people.
- B、They can maintain routine.
- C、They will gradually lose the ability to live a normal life.
- D、They would like to talk in a different way.
正确答案:C -
第18题：
单选题They already guide blind and disabled people; now dogs are to be trained to help people with dementia (痴呆). The duties of these "guide dogs for the mind" will include reminding their owners to take medication, as well as encouraging them to eat, drink and sleep at regular intervals. The dementia dogs will be trained to respond to sound triggers in the home that prompt them to perform tasks. These could include delivering a bite-proof bag of medicine with a note inside reminding the patient to take it, or waking them up in the morning. The idea was developed by design students at the Glasgow School of Art and will now be put into practice by Alzheimer"s Scotland and Dogs for the disabled. Joyce Gray of Alzheimer"s Scotland said, "People in the early stages of dementia are still able to live a relatively normal life, and dogs help to maintain routine." The other advantage of using the pets as companions is that conversation can be increasingly confusing for people with Alzheimer"s, but dogs can give them a sense of silent support and companionship. People light up when they see animals. They don"t need to communicate verbally but they can still interact. You can have a speechless bond. The dog would also encourage the owner to take them out for walks, ensuring they keep exercising and interacting with other people.Having a conversation with people with dementia will be （）.Adifficult
Binteresting
Cconfusing
Dencouraging
正确答案： A解析： [解析] 推理判断题。题干的大意是：和老年痴呆症患者谈话将会______。从文中第五段中“conversation can be increasingly confusing for people with Alzheimer"s”可知，阿尔茨海默氏症患者说话会日益混乱不清，故可推断出同阿尔茨海默氏症患者谈话交流是困难的。故选A。 -
第19题：
单选题Some people are often surprised by what other people do. According to Berger, that is mainly because _____.Asome people are more emotional than others
Bsome people are not aware of the fact that we will never completely know another person
Csome people are sensitive enough to sense the change of other people’s attitudes
Dsome people choose to keep to themselves
正确答案： B解析：
根据第二、三段的内容可以推出，有一些人总是为他人的所作所为吃惊，这是因为他们没有意识到我们永远不可能完全了解一个人。 -
第20题：
单选题Which of the following statements is true according to the passage?AMany people protested in the past six months.
BMany people threw tomatoes at the German Chancellor.
CMany people threw eggs at an important member of the German Chancellor’s Social Democrats.
DMany people threw eggs at the German Chancellor, but he was not hit.
正确答案： C解析：
事实细节的找寻和判断。根据录音结尾提到的“Tens of thousands have joined protests in the last six weeks…”，可知，这次抗议持续了六周，而非选项A中的six months。另外，录音中提到“The mushy remains of a tomato thrown at a prominent member of Chancellor Gerhard Schroeder’s Social Democrats”，可知抗议过程中有人朝Gerhard Schroeder总理领导的社会民主党中一位重要人物投掷番茄，由此可见，B项和C项的说法均有误。再者，录音最后的“Schroeder himself has been pelted with eggs, none of which hit their mark”，表明人们朝德国总理Schroeder扔过鸡蛋，但未击中，可见，选项D与录音原文内容相符。
【录音原文】
The mushy remains of a tomato thrown at a prominent member of Chancellor Gerhard Schroeder’s Social Democrats has posed a legal dilemma for authorities trying to assess how to punish the thrower. Police investigating the fruit, thrown by an unemployed protestor at the premier of the state of Brandenburg, said they have concluded it was a yellow tomato. Had it been a soft red one, the man would have faced a lesser charge of causing malicious damage. A harder, green tomato could carry the tougher charge of bodily harm. A yellow one is somewhere in between. “In these types of cases it has to do with the consistency of the fruit,” said a spokeswoman for the court in the eastern city of Cottbus. No decision on the charge has yet been reached. Social democratic politicians have been facing the wrath of the public in recent months, especially in the economically depressed east where many people face painful jobless benefit cuts from January 2005. Tens of thousands have joined protests in the last six weeks and Schroeder himself has been pelted with eggs, none of which hit their mark. -
第21题：
单选题What is the main idea of this passage?AHow is multitasking define（定义） in the information age?
BHow do people see new technology and the social change it brings about?
CHow does technology change modern family life?
DWhat's the impact of multitasking on young people?
正确答案： A解析： -
第22题：
填空题According to the Yale University’s study, autistics aren’t susceptible to contagious yawning because they received little information from the cues around people’s eyes.____正确答案： H解析：
根据题干信息“Yale University”可以定位到H段“... the autistics who watched the eyes received little information from the cues they found there”，孤独症患者从别人的眼部看不到更多的信息和暗示。所以他们不容易被传染打哈欠，故匹配段落为H。 -
第23题：
单选题Which of the following may NOT be the reason for the increasing number of households as mentioned in the passage?AMany people get divorced because of unhappy marriage.
BNow people can afford to support a household individually.
CSome people have to sacrifice family life for their careers.
DMany people live much longer than before.
正确答案： A解析：
第三段第一句作者提到由于种种原因如婚姻关系破裂、职业的选择、寿命的延长、家庭小型化等，单人家庭的数量在增加。这里面没有提到人们可以独自养家。 -
第24题：
单选题According to Mark Thomas, we can infer that _____.Ain Europe, people with longevity must not be lactase persistence.
Ba genetic mutation on lactase persistence changed people’s life.
Cthe European people benefit from genetic change.
Dthe Europeans have superior survival advantage to other human races.
正确答案： B解析：
“In Europe, a single genetic change... with it a big survival advantage.”意思是“在欧洲，单一的基因改变与乳糖耐受性联系密切，而且使人们拥有更大的生存优势。”A项太绝对，B项不符合原文意思。D项以偏概全，文中并没有说欧洲人比其他所有人种都具有生存优势。