According to the writer, the most amazing thing about the e –nose is that it can ______.A. pick out ripe fruitsB. spot the insects quicklyC. distinguish different damages to the leavesD. recognize unhealthy tomato leaves

题目

According to the writer, the most amazing thing about the e –nose is that it can ______.

A. pick out ripe fruits

B. spot the insects quickly

C. distinguish different damages to the leaves

D. recognize unhealthy tomato leaves

相似考题

1.We can infer from the last paragraph that the e-nose_____.A. is unable to tell the smell of flowersB. is not yet used in greenhousesC. is designed by scientists at PurdueD. is helpful in killing harmful insects

2.CPlants can’t communicate by moving or making sounds, as most animals do. Instead, plants produce volatile compounds, chemicals that easily change from a liquid to a gas. A flower’s sweet smell, for example, comes from volatile compounds that the plant produces to attract insects such as bugs and bees.Plants can also detect volatile compounds produced by other plants. A tree under attack by hungry insects, for instance, may give off volatile compounds that let other trees know about the attack, In response, the other trees may send off chemicals to keep the bugs away- or even chemicals that attract the bugs’ natural enemies.Now scientists have created a quick way to understand what plants are saying: a chemical sensor(传感器) called an electronic nose. The “e-nose” can tell compounds that crop plants make when they’re attacked. Scientists say the e-nose could help quickly detest whether plants are being eaten by insects. But today the only way to detect such insects is to visually inspect individual plants. This is a challenging task for managers of greenhouses, enclosed gardens that can house thousands of plants.The research team worked with an e-nose that recognizes volatile compounds. Inside the device, 13 sensors chemically react with volatile compounds. Based on these interactions, the e-nose gives off electronic signals that the scientists analyze using computer software.To test the nose, the team presented it with healthy leaves from cucumber, pepper and tomato plants, all common greenhouse crops. Then the scientists collected samples of air around damaged leaves from each type of crop. These plants had been damaged by insects, or by scientists who made holes in the leaves with a hole punch (打孔器).The e-nose, it turns out, could identify healthy cucumber, pepper and tomato plants based on the volatile compounds they produce. It could also identify tomato leaves that had been damaged. But even more impressive, the device could tell which type of damage – by insects or with a hole punch – had been done to the tomato leaves.With some fine tuning, a device like the e-nose could one day be used in greenhouses to quickly spot harmful bugs, the researchers say. A device like this could also be used to identify fruits that are perfectly ripe and ready to pick and eat, says Natalia Dudareve, a biochemist at Purdue University in West Lafayette, Ind. who studies smells of flowers and plants. Hopefully, scientists believe, the device could bring large benefits to greenhouse managers in the near future.49. We learn from the text that plants communicate with each other by______.A. making some sounds B. waving their leavesC. producing some chemicals D. sending out electronic signals

3.What did the scientists do to find out if the e-nose worked?A. They presented it with all common crops..B. They fixed 13 sensors inside the device.C. They collected different damaged leaves.D. They made tests on damaged and healthy leaves.

4.190. Bullying (欺凌弱小) is a big problem that affects lots of kids. Three-quarters of all kids say they have been bullied or teased. Being bullied can make kids feel really bad. The stress of dealing with bullies can make kids feel sick. Bullying can make kids not want to play outside or go to school. It’s hard to keep your mind on schoolwork when you’re worried about how you’re going to deal with the bully near your locker. Bullying bothers everyone—and not just the kids who are getting picked on. Bullying can make school a place of fear and can lead to more violence and more stress for everyone. Some bullies are looking for attention. They might think bullying is a way to be popular or to get what they want. Most bullies are trying to make themselves feel more important. When they pick on someone else, it can make them feel big and powerful. Sometimes bullies know that what they are doing or saying hurts other people. But other bullies may not really know how hurtful their actions can be. Most bullies don’t understand or care about the feelings of others. Bullies often pick on someone they think they can have power over. They might pick on kids who get upset easily or who have trouble sticking up for themselves. Sometimes bullies pick on someone who is smarter than they are or different from them in some way. Sometimes bullies just pick on a kid for no reason at all. [共5题](1) According to paragraphs 1 and 2, which of the following is NOT TRUE?(A) Bullying makes kids frightened.(B) Bullying usually happens in school.(C) Bullying brings about more violence.(D) Bullying is not a serious problem.(2) Bullying happens because bullies ________.(A) want people to pay attention to them(B) feel they are unimportant(C) feel big and powerful(D) both A and C(3) We can infer from paragraph 4 that ________.(A) most bullies just care for themselves(B) most bullies don’t know they are hurting people(C) most bullies stop bullying when they know they are hurting people(D) most bullies conduct hurtful actions(4) Bullies usually pick on someone who is ________.(A) more powerful than themselves(B) weaker than themselves(C) totally different from themselves(D) as clever as themselves(5) The author writes the passage in order to ________.(A) describe bullying (B) argue about bullying(C) analyze bullying (D) narrate bullying

更多“According to the writer, the most amazing thing about the e –nose is that it can ______.A. pick out ripe fruitsB. spot the insects quicklyC. distinguish different damages to the leavesD. recognize unhealthy tomato leaves”相关问题

第1题：

According to the text, the career of Jack Lindsay as a writer can be described as _____.
［A］inventive
［B］productive
［C］reflective
［D］inductive

正确答案：B
本题考查推理引申。文章首段提出 “杰克·林德萨有大约四十部小说、一些戏剧、几部诗集、还有历史、评论以及自传作品，同时兼任编辑和翻译家。他是一位非常多产的作家。”原文中的prolific与［B］项中的productive近义，都意为“多产的”。
第2题：

According to the writer, what eventually brought about the disappearance of the park?
A. The drought.
B. The crime.
C. The beggars and the rubbish.
D. The decisions of the city.

正确答案：D
第3题：

I just can't seem to figure out this thing____“success”.

A.call
B.to call
C.called
D.calling

正确答案：C
第4题：

According to the writer, the house in Westmoreland has the most loathsome color.()

此题为判断题(对，错)。

参考答案：正确
第5题：

For any Englishman there can never be any discussion as to who is the world's greatest writer. Only one name can possibly suggest itself to him：that of William Shakespeare.
Every Englishman has some knowledge of his work. All of us use words and phrases from Shakespeare's writings that have become a part of the English-speaking people.
Shakespeare, more perhaps than any other writer, made full use of the English language. Most of us use about five thousand words in our normal employment of English; Shakespeare in his works used about twenty-five thousand!
There is probably no better way for a foreigner (or an Englishman!) to appreciate the richness and variety of the English language than by studying the various ways in which Shakespeare uses it. Such a study is well worth the effort (it is not, of course, recommended to beginners), even though some aspects of English usage, and the meaning of many words, have changed since Shakespeare's day.
1). From the first two sentences of the passage we can conclude that ________.
A. it can't be discussed about who is the world's greatest dramatist
B. Shakespeare is regarded as the greatest writer
C. Englishmen like to discuss about who is the world's greatest writer
D. it can't be discussed about who is the world's greatest poet
2). According to the passage many English words and phrases that we use today are from _____.
A. Englishmen
B. English speaking people
C. Shakespeare's works
D. ancient people
3). To learn the richness of the English language, people should ______.
A. write and read more
B. be glad to be a foreigner
C. learn from an English man
D. read Shakespeare's plays
4). The author does not suggest beginners reading Shakespeare's plays probably because _____.
A. only Englishmen can understand his plays
B. some of English usage and the meaning of many words have changed
C. the works are too difficult for a beginner
D. the works are for native speakers
5). In this passage the author wants to _______.
A. tell how great a writer Shakespeare is
B. tell that some aspects of English usage have changed since Shakespeare's day
C. tell that some English words are out of use now
D. show the richness of English language

正确答案：BCDCA
第6题：

Different from other security software, Retriever can ______.
A. record the stealing process B. help recognize the lost laptop
C. lock down the computer remotely D. send a spoken message

正确答案：D
第7题：

In order to（）the disease, the first thing we should do is to do research about it and find out a satisfactory cure.
Aconfirm
Bconduct
Ccontrol
Dconfuse

C
略
第8题：

单选题
According to the passage, the scientists carried out their researches on ______.
A
smokers from different parts of the world
B
smokers from different states in the United States
C
actors and actresses who smoke a lot
D
wait staff and bartenders

正确答案： D
解析：
推断题。答案来自第一段最后：…nonsmokers working in bars and restaurants in the state.由此可知其实验对象为酒吧与餐厅的侍者，答案为D。
第9题：

单选题
The passage is mainly about _____.
A
living thing on the move
B
the most famous migration
C
mice in northern Europe
D
migrating of lobsters

正确答案： D
解析：
文章一开头就点出主题“We know that many animals do not stay in one place.”接下来对动物的迁徙进行了描述和分析，由此可以判断文章的标题应为living thing on the move。
第10题：

单选题
According to the writer, which of the following is not true about your boss?
A
He is the person who supervises you.
B
He is the person setting the company’s goals.
C
He can keep you informed of company direction concerned with your future.
D
He can help you acquire support or cooperation from other departments.

正确答案： B
解析：
第二段原文是“He/she is privy to the company’s goals”，是说“你的老板会参与涉及到公司目标的制定”，文章并没有说是你的老板一个人设定了公司目标，故选项B错误。
第11题：

单选题
Which is said about The Flying Hat?
A
A movie about the story is coming out.
B
People can buy the book all over the world.
C
The writer started the book because of a mistake.
D
The story is about a boy with a magic book.

正确答案： C
解析：
细节理解题。根据最后一段中的“The Story is making its way into movie theaters. ”可知，关于这个故事的影片即将上映了。
第12题：

单选题
According to the spokeswoman for a local court, what is the most important feature of a tomato in deciding a tomato-throwing offense?
A
Color.
B
Hardness.
C
Weight.
D
Quality.

正确答案： C
解析：
事实细节的找寻和判断。录音中提到一位法庭发言人对用番茄砸人处罚的说法“In these types of cases it has to do with the consistency of the fruit”，consistency在此处意为 “坚实度；粘稠度”，由此可见，对此类案件的处罚要根据番茄的硬度而定。因此，选项B为正确答案。
第13题：

What will be the benefit if the research on smart windows turns out to be successful, according to the last paragraph?
A．The buildings will look different.
B．Windows can be as large as you want.
C．We may not need air conditioners any more.
D．They are less expensive than traditional windows.

正确答案：C
解析：短文最后一段的第五句提供了答案。
第14题：

Which of the following statements about the warm-blooded mammals is true according to the text?
A. They can change their environments.
B. They can adjust body heat to keep their ideal temperature.
C. They can make food from chemicals.
D. They get most of their heat from the environment.

正确答案：B
[解析] 见最后一段，第三、四行。
第15题：

Passage Two There are about 5,000 different kinds of ladybugs in the world. They come in many different colors. Their bright colors warn other animals or insects not to eat them. Ladybugs taste bad. A bird or a frog that eats a ladybug will remember the bright colors and it will not eat another ladybug with the same colors again. When ladybugs are in danger, they will give out a fluid (液体) that tastes terrible. In many cultures, the ladybug is considered to be a symbol of good luck. Most ladybugs are kind to humans. They eat other insects which destroy crops. One ladybug can eat up to 5,000 insets in its lifetime. Ladybugs have six short legs. They live in many different places, including green lands, forests, cities, the countryside and along rivers. Different ladybugs have different spots (点). Some of them don’t have spots at all. The most common kind in North America is the 7-spotted ladybug. The 7-spotted ladybugs are the most active from spring to autumn. When the weather turns cold, they look for a warm place to sleep, such as under stones or in houses.
(1).Ladybugs can give out a terrible fluid to protect themselves.
A.T
B.F
(2).In many cultures ladybugs are believed to bring good luck.
A.T
B.F
(3).Most of the ladybugs are harmful to crops.
A.T
B.F
(4).Ladybugs live in many places except cities.
A.T
B.F
(5).Winter is the best time for 7-spotted ladybugs to go out for food.
A.T
B.F

正确答案: (1).A (2).A (3).B (4).B (5).B
第16题：

Idioms can be classified in different ways but the classification according to grammatical function is the most helpful way.()

参考答案：正确
第17题：

The writer suggests that pruning should be done in winter because______.
A. the cut surface can heal more quickly
B. open wounds on the tree run the less risk of getting diseased
C. a gardener can do pruning more easily
D. the leaves can interfere

正确答案：C
44．答案为C 根据短文最后一句得知冬季树叶少能方便修剪树木，A、B、D皆为干扰项，与原句不符；
第18题：

资料：Faces, like fingerprints, are unique. Did you ever wonder how it possible for us to recognize people? Even a skilled writer probably could not describe all the features that make one face different from another. Yet a very young child or even an animal, such as a pingeon can learm to recognize faces. We all take this ability for granted.
We also tell people apart by how they behave. When we talk about someone’s personality, we mean the ways in which he or she acts, speaks, thinks and feels that make that individual different from others.
Like the human face human personality is very complex. But describing someone’s peronality in words is somewhat easier than describing his face. If you were asked to describe what a nice face looked like, you probably would have a difficult time doing so. But if you were asked to describe a nice person, you might begin to think about someone who was kind, considerate friendly, warm, and so forth.
There are many words to describe how a person thinks, feels and acts. Gordon Allports, an American psychologist, found nearly18,000 English words characterizing differences in people’s behavior. And many of us use this information as a basis for describing or typing, his personality. Bookworms, conservatives, military types——people are described with such terms.
People have always tried to type each other. Actors in early Greek drama wore masks to show the audience whether they played the villain’s or the hero’s role. In fact, the words person and persoality come from the Latin persona, meaning mask. Today, most television and movie actors do not wear masks. But we can easily tell the good guys from the bad guys because the two types differ in appearance as well as in actions.

Which of the following is NOT true?

A.People differ from each in appearance
B.Different people may have different personalities
C.People can learn to recognize faces
D.People can describe all the features of others

答案：D
解析：
本题考查的是细节理解。
【关键词】NOT true
【主题句】第一段Faces, like fingerprints, are unique.（脸就像指纹一样独一无二。）；Yet a very young child-or even an animal, such as a pigeon --- can learn to recognize faces. We all take this ability for granted.（然而，一个非常小的孩子，或者一个动物（比如企鹅），他们能学会识别面容）；Even a skilled writer probably could not describe all the features that make one face different from another.（可能即使是一位熟练的作家，他也不能把两张脸不同之处的所有特点描述出来。）；第二段When we talk about someone’s personality, we mean the ways in which he or she acts, speaks, thinks and feels that make that individual different from others.（当谈到某个人的个性时，我们指的是他或她的行为，说话，思考和感受，这些能让个体区分他人。）
【解析】第3题问“以下哪一项不是正确选项？”。A选项“人们的外貌都有不同”，该选项和第一段第一句话“脸就像指纹一样独一无二”内容一致；B选项“不同的人可能有不同的个性”，和文章第二段第二句话一致。C选项“人们能学会识别人脸”，和第一段第四句话“然而，一个非常小的孩子，或者一个动物（比如企鹅），他们能学会识别面容”内容一致。D选项“人们能把别人的所有特点描述出来”，和文章第一段第三句内容相反，原文说“即使是一位熟练的作家，他也不能把两张脸不同之处的所有特点描述出来”，说明没有人能说出所有特点，所以D选项为错误选项。
第19题：

Which two statements are true about the WebLogic Cluster ？（）
- A、 Clustered Servers capacity can be increased by adding new server instance to the cluster on an existing machine
- B、 Clustered Servers can be on a same or different machine with same operating system only
- C、 Clustered Servers can only be on a same machine or different operating system
- D、 Clustered Servers can be on a same or different machine with same or different operating system
正确答案:A,D
第20题：

单选题
From the text we can conclude that ______.
A
the writer is enthusiastically supporting the National Lottery
B
the writer has objections to the National Lottery
C
the writer believes that the lottery money should be used for cancer research
D
the writer is just expressing her feelings about collecting money for charity

正确答案： B
解析：
作者通文都在反对国家彩票，故A项是错误的；B项是正确的；C项过于片面和绝对，用于癌症研究只是彩票业收入的一个应用点；D项“只表达一下自己对为慈善事业筹钱的感受”显然不能概括作者对彩票业与慈善事业关系的看法。故选B。
第21题：

单选题
According to the author, the primary job of a critic is to ______.
A
rank established works in terms of their quality
B
point out the flaws of long-established artists or works
C
identify historical antecedents to modern works
D
inform listeners about the merits of new works
E
summarize the most popular opinions of new works

正确答案： D
解析：
作者提到一个评论家应提升人们听音乐的体验并告诉公众一场新的音乐会是否值得听或一个新的唱片是否值得购买。因此作者认为音乐评论家的主要职责是告知公众新的音乐作品的质量。
第22题：

单选题
The colors red, blue, and yellow can be mixed in different combinations to make every color the human eye can distinguish.
A
soaked
B
ranked
C
blended
D
purchased

正确答案： C
解析：
句意：红黄蓝可以以不同的方式组合，制造出肉眼能辨别出的任何颜色。blend混合。soak浸透。rank排列。purchase购买。
第23题：

单选题
What is most important for a diving instructor, according to Dave?
A
Finding a good spot to dive.
B
Knowing the local geographical conditions.
C
Being patient with the trainees.

正确答案： C
解析：
当女士问男士一名教练应达到什么标准时，男士说instructors set off boats with their students to find a good spot to dive，而对当地地理条件的熟知也是为了找到好的潜水地点，故答案为A选项。

According to the writer, the most amazing thing about the e –nose is that it can ______.A. pick out ripe fruitsB. spot the insects quicklyC. distinguish different damages to the leavesD. recognize unhealthy tomato leaves

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