D
A team of scientists proved that seals had a very good sense of hearing. These men trained blind seals to expect food when they heard sounds. The seals always began snapping(猛咬) when a strong signal was sounded.
It was proved that even a soft signal, a considerable distance away, could make these sea animals respond. That should make the fisherman who makes much noise while working, or talks loudly, start thinking.
The same team of scientists also trained seals to recognize different sounds. One bell-tone meant food ,two bell-tones meant no food. In the beginning, the seals made mistakes when the two bell-tones were sounded. They were given a light tap after each mistake. The seals were good learners. They easily learned to tell the difference between the sounds.
67.Why was it necessary to use blind seals? Because they______.
A. were unable to use sight for clues    B. had better hearing
C. were waiting to be fed             D. were the only animals to be found
68. To those seals strong signal meant_____.
A. snapping     B. nothing      C. food       D. a light tap
69. The article doesn’t say directly but suggests that fishermen usually think______.
A. seals have no good sense of hearing   B. seals have good sense of hearing
C. seals can only recognize bell sounds   D. seals can not hear soft or long distant sounds
70. Which title will be the best to suit the article?
A. Clever Seals                      B. Smart Learners 
C. An Underwater School             D. An Unknown School
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目:高中英語(yǔ) 來(lái)源:不詳 題型:完形填空

完形填空(共20小題;每小題1.5分,滿(mǎn)分30分)
閱讀下面短文,掌握其大意,然后從36-55各題所給的四個(gè)選項(xiàng)(A、B、C和D)中,選出最佳選項(xiàng),并在答題卡上將該項(xiàng)涂黑。
Many people go to school for  36 . They learn languages, history, geography, physics, chemistry and mathematics.  37  go to school to learn a skill  38 they can make a living. School education is very important and useful. Yet no one can learn  39 from school. A teacher, no matter how much he  40 , can not teach his students everything they  41  to know. The teacher’s job is to show his students  42  to learn. He teaches  43 how to read and how to think. So much more is to be learned  44  school by the students themselves.
It is always more  45  to study by oneself than to remember some facts or formulas (公式). It is quite  46  to learn a certain fact in history  47  a formula in mathematics. But it is very difficult to  48  a formula in working out a maths problem. Great  49  such as Einstein, Newton and Galileo didn’t get everything from school. But they were  50  successful. They knew  51  to study, they read books that  52 not taught at school. They worked hard all their lives  53  not a single moment. They  54  ask many questions as they read and they did thousands of experiments.
Above all, they knew how to use their  55  .  
36. A. education  B. educating      C. study     D. learning
37. A. Other      B. Others    C. The other      D. Another
38. A. such that   B. so as to         C. so that    D. in order
39. A. nothing    B. something      C. anything        D. everything
40. A. understands   B. will know   C. knows     D. knew
41. A. eager        B. want      C. ask        D. wanted
42. A. how         B. what      C. when     D. where
43. A. the teacher  B. them     C. student    D. the student
44. A. at      B. inside     C. outside    D. out
45. A. possible    B. important       C. impossible      D. unimportant
46. A. easy         B. uneasy          C. difficult        D. hard
47. A. but                 B. and       C. or         D. other
48. A. learn       B. use        C. study     D. work
49. A. scientists  B. teachers         C. students         D. people
50. A. either       B. both       C. all         D. neither
51. A. what        B. which           C. this        D. why
52. A. is      B. were      C. will be          D. have been
53. A. waste       B. wasted          C. wasting         D. to waste
54. A. could       B. should    C. might     D. would
55. A. cleverness        B. thoughts        C. hearts     D. brains

查看答案和解析>>

科目:高中英語(yǔ) 來(lái)源:不詳 題型:閱讀理解

The earthquake affected the students of the destroyed areas in many ways: losing parents, being scared(害怕) and feeling lonely. How can we help them? Teens reporter talked with Lin Dan. the program director of the Sunshine in Your Heart Project at the Red Cross Society of China.
How will the earthquake affect the teenagers mentally?
They’ll have feelings of fear, anger and feel they are not safe. They will find it hard to focus. They will tend to cry and shout and tremble. And they might be afraid to be alone.
What will happen if they are not helped?
The teenagers will find it hard to live in a balanced way. If things get worse they might not be able to focus on their studies. They might give up on life.
How can we help them overcome these problems?
The first thing is to build up trust with them. Show your sympathy and sadness, and be their friend. Then you have to give them a sense of safety. Tell them that there’s a solution to every problem. Thirdly, try to satisfy their psychological needs. Be a good listener if he or she needs to talk.
Some of us were not directly affected by the quake but have seen images on TV and feel scared. What should we do?
Talk with an adult and/or share your feelings with someone who might feel similar. If this doesn’t help then you should see a doctor for professional help.
小題1:What’s the best title of the passage?
A.The scare caused by the earthquake
B.Dealing with the pain left behind after the earthquake
C.How to get a sense of safety
D.The psychological needs
小題2:The earthquake will affect the teenagers mentally. Which of the following statements is not included?
A.They’ll tend to cry and shout and tremble.
B.They may be afraid to be alone.
C.They’ll feel unsafe.
D.They’ll feel sympathetic.
小題3: The underlined word “psychological” in Paragraph 7 is closest in meaning to “      ”.
A.mentalB.physicalC.materialD.professional
小題4:From the passage, we can infer that         .
A.the scare caused by the earthquake can be relieved(解除) quickly
B.seeing a doctor is the most important measure to deal with the problem
C.the images on TV can also affect people and even cause problems
D.to help them overcome these problems, we should always talk with them
小題5:To help them overcome the problems, we should not      .
A.build up trust with themB.give them a sense of safety
C.solve every problem they haveD.be a good listener if they need to talk

查看答案和解析>>

科目:高中英語(yǔ) 來(lái)源:不詳 題型:閱讀理解


More and more American parents, students, educators, political and business leaders have come to see the importance of Chinese on the world stage. As a result, Americans hoping to learn Chinese are growing in number though they face a lot of difficulties.
Liu Chuansheng, chairperson of the University Council at Beijing Normal University, talked about this situation. “There have been 300 million Chinese learning English, and I know that there are more and more Americans beginning to learn Chinese. I remember when I came to the U. S. there were only 250 schools offering Chinese classes; when I left in 2005, there were already 2,400 schools hoping to offer Chinese classes. Today more than 700 schools are offering Chinese classes, and 4,500 are planning to do so.”
“This is an important time in America. We have suffered from an economic crisis; there is swine flu(豬流感) ---- all part of our lives. We need to be competitive to deal with the world and make an effort to understand each other,” said Shuhan Wang, head of Chinese Language Initiatives at Asia Society. “The number of Chinese language teachers remains the key bottleneck,” she said. “And the need for specialized teachers becomes greater, as there is increasing popularity of early language learning ---- kindergarten through 8th grades.”
Jon M. Huntsman Jr., governor(州長(zhǎng)) of Utah, has led his state to the front in teaching Chinese. “While math and science remain main studies,” he said, “l(fā)anguage is going to be an important drive in education. Next year 82 schools will offer Chinese to 6,000 students.”
64. It is implied in the passage that the number of Americans learning Chinese is growing mainly because _______.
A. more and more Americans face a lot of difficulties
B. the number of Chinese learning English is growing
C. Chinese is widely used by actors all over the world
D. China is playing a more important role in the world
65. Liu Chuansheng’s talk mainly shows us _______.
A. how Americans are learning Chinese      B. why Americans are learning Chinese
C. that Chinese becomes popular in America  D. that China offers more Chinese classes there
66. The biggest problem with Americans learning Chinese is that _____.
A. the Chinese language is too difficult for them to learn
B. they don’t have enough teachers of Chinese in the USA
C. American children are not good at learning languages
D. teachers won’t work in kindergartens or primary schools
67. The proper title for the passage is _______.
A. Americans show great interest in learning Chinese
B. Americans show less interest in math and science
C. Chinese teachers get new chance to work in America
D. Chinese is widely used in some states of America

查看答案和解析>>

科目:高中英語(yǔ) 來(lái)源:不詳 題型:閱讀理解


C
Some experts feel that cars are certain to fall into disuse. They see a day in the not-too-distant future when all cars will be deserted and made useless. Other experts, however, think the car is here to stay. They hold that the car will remain a leading means of city travel in the foreseeable future.
The car will undoubtedly change greatly over the next 30 years. It should become smaller, safer, and more practical, and should not be powered by the gas engine. The car of the future should be far more pollution-free than present types.
Unless changes take place in the power system, the car in the future will still be the main problem in city traffic jams. One suggested solution to this essential problem is the automated (自動(dòng)的) system, which seems to hold water.
When the car enters the highway system, a small arm will drop from the car and connect with a rail, which is similar to those powering subway trains electrically. Once joined to the rail, the car will become electrically powered from the system, and control of the car will pass to a central computer. The computer will then monitor all the car’s movements. The driver will use the telephone to dial instructions about his position and the place he heads for into the system. The computer will find the best way and reserve space for the car all the way to the correct exit from the highway. The driver will be free to relax and wait for the call that will warm him of his coming exit. It is believed that an automated highway will be able to deal with 10,000 cars per hour, compared with the 1,500 to 2,000 cars that can be carried by a present-day highway.
48. What is the main concern of the author of the passage?
A. How to make cars pollution-free.            B. How to make cars smaller and safer.
C. How to solve the problem of train jam.   D. How to develop an automated subway system.
49. We can infer from this passage that __________.
A. the car connected to the rail on the highway will be powered by electricity.
B. The lack of oil is forcing people to find new means to power automobiles.
C. The driver under the system will be told where to get out of the highway.
D. The future car will become larger, faster, prettier and less expensive.
50. What provides cars with electric power in an automated highway system?
A. An engine.        B.A rail.   C. A computer controller.            D. A small arm.
51. Which of the following statements is true according to the passage?
A. The driver puts his information in the system by email.
B. The new system can deal with 10 times as many cars as the present one.
C. After entering the automated system, the driver needs to do nothing but relax.
D. Some experts are not confident of the future, while the view of the author is hopeful.

查看答案和解析>>

科目:高中英語(yǔ) 來(lái)源:不詳 題型:閱讀理解


B
Your body, which has close relations with the food you eat, is the most important thing you own, so it needs proper treatment and proper nourishment(營(yíng)養(yǎng)). The old saying "An apple a day keeps the doctor away. " is not as silly as some people think. The body needs fruit and vegetables because they contain vitamin C. Many people take extra vitamins in pill form(丸劑), believing that these will make them healthy. But a good diet is made up of nourishing food and this gives all the vitamins you need. The body doesn't need or use extra vitamins, so why waste money on them?
In the modem western world, many people are too busy to bother about eating properly. They throw away the good habits and throw anything into their stomachs, eating hurriedly and carelessly. The list of illnesses caused or made worse by bad eating habits is frightening.
41. From the first sentence we know that ________,
A. all kinds of food you eat can be made into nourishment
B. your body is made up of the food you eat.
C. what you eat has great effect on your health
D. the more you eat, the better you will feel
42. How do you understand the old saying underlined in the passage?
A. Eating apples regularly brings lots of benefits to our health.
B. Doctors are no longer necessary if we eat an apple every day.
C. The apple is the best among all kind of fruits.
D. An apple is a good way to cure illnesses.
43. What can we conclude from the second paragraph?
A. Our bodies need food, or we can't live.
B. Often eating apples is a good habit.
C. Taking extra vitamin pills is completely useless.
D. A good diet is of great importance for our health.
44. In modern western countries, ________.
A. people don't want to pay more attention to their eating
B. lots of people's illnesses are caused or made worse by bad eating habits
C. people throw everything into their stomachs without digestion(消化)
D. people are only too busy to cook meals for themselves
45. If we want to keep healthy, we should ________ .
A. only eat an apple a day       
B. eat properly
C. take as many vitamin pills as possible
D. throw everything into our stomachs slowly and carefully

查看答案和解析>>

科目:高中英語(yǔ) 來(lái)源:不詳 題型:閱讀理解


E
One reaction to all the concern about tropical deforestation(砍伐森林) is a blank stare that asks the question, "Since I don't live there, what does it have to do with me?"
The answer is that your way of life, wherever you live in the world, is tied to the tropics in many ways. If you live in a house, wash your hair, eat fruits and vegetables, drink soda, or drive a car, you can be certain that you are affected by the loss of tropical forests.
Biologically, we are losing the richest regions on earth when, each minute, a piece of tropical forest, the size of ten city blocks ,disappears. As many as five million species of plants, animals, and insects (40 to 50 percent of all living things) live there, and are being lost faster than they can be found and described. Their loss is immeasurable.
Take rubber for example. For many uses, only natural rubber from trees will do. Synthetics are not good enough. Today over half the world's commercial rubber is produced in Malaysia and Indonesia, while the Amazon's rubber industry produces much of the world's four million tons. And rubber is an important material in making gloves, balloons, footwear and many sporting goods. Thousands of other tropical plants are valuable for their industrial use.
Many scientists strongly believe that deforestation contributes to the greenhouse effect -- or heating of the earth from increased carbon dioxide in the atmosphere. As we destroy forests, we lose their ability to change carbon dioxide into oxygen.
Carbon dioxide levels could double within the next half-century, warming the earth by as much as 4.5 degrees. The result? A partial melt-down of polar ice caps, raising sea levels as much as 24 feet; even 15 feet could threaten anyone living within 35 miles of the coast. Unbelievable? Maybe. But scientists warn that by the time we realize the severe effects of tropical deforestation, it will be 20 years too late.
Can tropical deforestation affect our everyday lives? Now, you should have got the answer.
58.The underlined word "synthetics" probably means a kind of _________.
A.natural rubber   B.tropical material   C.man-made material   D.tropical tree
59.In the last paragraph the author tries to__________.
A.tell people how to avoid the tropical deforestation
B.show us how important it is to protect the tropical forests
C.persuade people to buy something synthetic
D.let people realize the effect of tropical deforestation
60.The author's attitude towards the tropical deforestation is____________.
A.puzzling        B.cold        C.supporting       D.opposed

查看答案和解析>>

科目:高中英語(yǔ) 來(lái)源:不詳 題型:閱讀理解


C
Not even Dan Brown and his Da Vinci code—breakers(密碼破譯者)dared deal with the mystery of Mona Lisa,s smile.But Nicu Sebe,a computer expert the University of Amsterdam,the Netherlands,did.He used’emotion recognition’software to process the famous painting and found Mona Lisa happy(83 per cent)and slightly disgusted(厭煩的)(9 per cent).
Faces show emotions. Psychology,computer science,and engineering researchers are joining forces to teach machines to read expressions.If they succeed,your computer may one day“read”your mood.Machines equipped with emotional skills could also be used in teaching,gaming,mind-reading,etc.
“Mind Reader”,a system developed by Rosalind Picard at MIT(the Massachusetts Institute of Tech’nology)in the US, uses input from a video camera to do real—time analysis of facial expressions. It reports on whether you seem“interested”or“agreeable”or if you’re“confused”.The system can help people recognize others’emotions.Picard says this means we could teach a machine to be as sensitive as a human.In fact,a machine can be even smarter than people since it can tell if a person is lying or just“performing”by analyzing one’s facial movements.
Jeffrey Cohn,a psychologist at the University of Pittsburgh,uses the Facial Action Coding System to recognize human emotions.The system sorts more than 40 action units(AUs)of the face to tell people’s real emotions.He studied a videotape of a criminal who said to be sad about the murder of several family members and tried to pin the blame on someone else.But Cohn saw no real sadness in the woman’s face.
Sadness is a group of AUs that is difficult to do at the same time.You have to pull down the woman’s of your lips while bringing your eyebrows together and raising them.What the woman did was raise her cheeks to make a lip cud(撇嘴)。Her brows stayed smooth.
64.The best title of this passage is“ ________ ”.
A.The emotion on your face                    B.Look at your face
C.Your face tells a story                          D.Telling a lie
65.The missing sentence“This means,even though your mouth lice,your face doesn’t,and the machine will know it all. ”should be put at the end of ___________.
A.Paragraph 2   B.Paragraph 3      C.Paragraph 4     D.Paragraph 5
66.How many facial emotion analyses are mentioned in this passage?
A.Four.               B.Three.              C.Two.         D.One
67.The underlined word“it”refers to________.
A.MIT                                 B.the video camera
C.one’s face emotion            D.the real—time analysis

查看答案和解析>>

科目:高中英語(yǔ) 來(lái)源:不詳 題型:閱讀理解


第二部分閱讀理解(共20小題,每小題2分,滿(mǎn)分40分)
A
Too often we accuse others of not listening, pretending that we ourselves are faultless, yet in our hearts we know that many of the mistakes we make come about because we haven’t listened carefully enough. We get things wrong because we haven’t listened carefully enough. We get things wrong because we haven’t quite understood what someone meant when they were talking to us. Anyone who has ever taken the minutes of a long meeting will know how hard it is to remember-- despite the benefit of notes-- exactly what everyone said. But success depends on getting things right--and that means listening.
Listening is not the same thing as hearing; it is not an effort actively. It demands attention and concentration. It may mean quizzing the speaker for additional information or for clarification------ it is always better to ask than to continue regardless and get things wrong. However, if you allow your mind to wander onto something else, even for a few minutes, you’ll miss what the speaker is saying------ probably at the very moment when he or she is saying something critical. And not having heard, you won’t know you’ve missed anything until it’s too late.
The most common bad habit we have is to start thinking of what we are going to say about the subject long before the other speaker has finished. We then stop listening. Even worse, this often adds rudeness to inattentiveness, as once you have decided what to say there is a fair chance you will interrupt to say it. Good listeners don’t interrupt. In fact it is often worth explaining the main idea of what you have just been told before going on to make your own points. Nobody is offended by this and it shows that you have listened well.
Above all be patient and accept that many people are not very good communicators. It’s helpful to remember that the ways people move and position themselves while they are speaking can reveal a great deal about what they are saying. Equally important you should put yourself in the other person’s place, both intellectually and emotionally; it will help you to understand what they are getting at and form a response. But don’t be too clever. Faced with a know-all, many people keep quiet because they see no point in continuing.
56. Which is the best title for this passage?
A. Don’t be too clever                B. Be a good listener.
C. Don’t miss anything critical            D. Think of the speaker
57. In the last paragraph, “…… what they are getting at ……” means________ .
A. what they imply                             B. what they like
C. what they attack                             D. what they achieve
58. What is the writer’s opinion?
A. If you want to be a good listener, you should be very clever and emotional.
B. Speakers won’t continue talking when their listeners explain what they’ve heard.
C. If you don’t want to get things wrong, it’s important to be a good listener,
D. It’s hard to be a good listener because listening tests you on your intelligence.
59. What is the lesson we can learn from this passage?
A. Don’t accuse others of not listening while talking with them.
B. Don’t get anything wrong if you miss what the speaker is saying.
C. Listening inattentively may cost you the loss of your success.
D. Think carefully of what you’re going to say before the speaker finishes.

查看答案和解析>>

同步練習(xí)冊(cè)答案