There are also instructions about the 　　 of all the buttons and switches．

A．purpose　 B．function　 C．power　 　 D．effect

 

阅读理解

　　Of all the animals in the animal kingdom, which one (aside from man) is the cleverest?

　　There're several ways of measuring the intelligence (智能) of animals. In one test a scientist sets three identical (一样的) cans on a table. While the animals watches, he puts food under one of the cans. Then he leads the animal away. Some time later, he brings it back to see if it remembers which can has the food. No smelling is allowed; the animal must go directly to the correct can or it falls.

　　This is called a delayed-response test. The idea is to find out how long an animal's memory can keep information. The scientists would try showing the cans to the animal one hour later, or two hours later, or even a full day later. They discovered that chimpanzees (黑猩猩) and elephants have the best memory, and are able to remember the correct can for at least twenty hours. No other animal is close. Dogs came next, but they only remembered for nine hours.

　　To settle the matter, the scientists designed a huge maze (迷宫) and ran the chimps and elephants through it. The maze was very difficult, with many blind paths and dead ends. It took the chimps ten minutes to find their way out. The elephant needed a half hour. Even allowing for the elephants' lower rate of speed, the test shows that chimpanzees are the cleverest animals. From this and other tests, the scientists drew the following conclusion: an animal's intelligence depends on the size of its brain in proportion (比例) to the size of its body. The elephant's brain weighs ten pounds. But this is only 1/600 of its 6000 pound body. A chimp's brain weighs about one pound, or 1/20 of its total body weight. So in proportion to its body size, the chimp has four times as much brain as the elephant—more brain for less body. The chimp is the champ!

1．Which is the best title of this passage?

[　　]

A．The Elephant's Memory.

B．The Cleverest Animal.

C．Judging Intelligence.

D．The Chimp's Brain.

2．The main idea of this passage is that ________.

[　　]

A．there are several ways of measuring the intelligence of animals

B．chimps and elephants have the best memory

C．intelligence tests show that the chimp is the cleverest animal

D．the scientists designed a huge maze and ran the chimps and elephants through it

3．The delayed-response test is designed to test an animal's ________.

[　　]

4．The passage tells that elephants ________.

[　　]

A．never forget things

B．are more clever than chimps

C．are slower-moving than chimps

D．have better memories than chimps

5．According to the passage, a rhinoceros (犀牛) that weighs 2100 lbs, and has a 3-lb brain is ________.

[　　]

A．as clever as a chimp

B．more clever than an elephant

C．less clever than an elephant

D．as clever as an elephant

Cloze

　　Of all the men who ever liked fresh air, no one liked it more than James Wilson did. He 1 slept with his windows open even 2 snow was falling outside.

　　One winter Wilson went to Finland on business. When he 3 his room in the hotel he found that the windows were closed to 4 the icy air out. He did his best to open 5 , but failed.

　　The bed was really 6 , but Wilson could not sleep. He could not 7 the closed windows. No fresh air! It was 8 to think of!

　　At about one o' clock in the morning he was 9 awake, worrying about the air in the room. He became very 10 . Where was the windows? He could see something that looked like 11 over there. He threw a shoe at it through the 12 with all the force of his strong right arm. A terrible sound of breaking glass 13 the room, but to Wilson' s sad heart it seemed like the sound of 14 music. Five minutes later he was peacefully asleep.

　　When daylight came through the window, he 15 and lay with his eyes closed. There was 16 to worry about. What was it? Oh, the broken window! Yes, indeed. He would have to pay 17 that. He opened his eyes to look.

　　Suddenly he 18 in surprise; the window was not broken at all. The glass was all in one piece, just as good as it had been the night before. 19 was entering the room through the window!

　　 He then turned his eyes to the side and saw a broken picture hanging on the wall. There was 20 on the floor below it, and a lot of broken glass round the shoe.

Moods, say the experts, are feelings that are likely to become fixed, having effects on one’s outlook (way of looking at things) for hours, days or even weeks. That’s great if your mood is a

pleasant one, but a problem if you are sad, anxious, angry or simply lonely.

　　Perhaps the best way to deal with such moods is to talk them out; sometimes, though, there is no one to listen. Modern pharmacology (药理学) offers a lot of tranquilizers (镇定剂) and anti-anxiety drugs. What many people don’t realize, however, is that scientists have discovered the effectiveness of several non-drug methods to make you free from an unwanted mood. These can be just as useful as drugs, and have the added benefit of being nonpoisonous. So next time you feel out of sorts, don’t head for the drug store –— try the following method.

　　Of all the mood-changing self-help techniques, aerobic (有氧的) exercise seems to be the best cure for a bad mood. “If you could keep the exercise, you’d be in high spirits,” says Kathryn Lance, author of Running for Health and Beauty.

　　Researchers have explained biochemical and various other changes that make exercise compare favorably to drugs as a mood-raiser. Physical work such as housework, however, does little. The key is aerobic exercise —– running, cycling, walking, swimming, or other repetitive and sustained activities that increase the heart rate and circulation (循环), and improve the body’s use of oxygen. Do them for at least 20 minutes a time, three to five times a week.

1．What is the main subject of the passage?

　　A．How to beat a bad mood.               B．How to talk bad moods out.

　　C．How to do physical exercises.           D．How to do aerobic exercise.

2．It can be inferred from the passage that ______.

　　A．when one is in a bad mood, he or she may not work very well

　　B．the best way to overcome a bad mood is to talk to oneself

　　C．some drugs are more effective than physical exercises

　　D．taking drugs is at the risk of being poisonous

3．“Feel out of sorts”, as it is used in the second paragraph, could best be replaced by _____.

　　A．put things in order                     B．are in a bad mood

　　C．search for tranquilizers                 D．want a mood-raiser

4．Which of the following best describes the organization of this passage?

　　A．An exercise and its importance are explained.

　　B．A problem is examined and solutions are given.

　　C．Two different views of a problem are presented.

　　D．Recent developments in medicine are described.

5．According to the passage, all of the following are true EXCEPT _________.

　　A．moods can have an effect on people’s feelings

　　B．aerobic exercise can help people better use oxygen

C．scientists have provided people with many tranquilizers

D．swimming, walking, or running is an effective cure for a bad mood