二、阅读理解(11-30)

Another thing an astronaut has to learn about is eating in space. Food is weightless, just as men are.Food for space has to be packed in special ways. Some of it goes into tubes that a man can squeeze into his mouth. Bite-sized cookies are packed in plastic.

There is a good reason for covering each bite. The plastic keeps pieces of food from travelling in the spaceship. On the earth very small pieces of food would simply fall to the floor. But gravity doesn't pull them to the floor when they are out of the plastic in a spaceship. They move here and there and can get into a man's eyes or into the spaceship's instruments. If any of the instru-ments is blocked, the astronauts may have trouble getting safely home.

As astronauts travel on longer space trips, he must take time to sleep. An astronaut can fit himself to his seat with a kind of seat belt. Or, if he wants to, he can sleep in a sleeping bag which is fixed in place under his seat. But be careful he must put his hands under the belt when he goes to sleep. This is because he is really afraid that he might touch one of controls that isn't supposed to be touched until later.

11.Why would astronauts cover each bite of food in space?

A.Because small pieces of food would fall down to the floor.

B.Because weightless pieces of food might make trouble when they travel around.

C.Because they haven't enough food for longer trips.

D.Because astronauts don't want to waste food.

答案：B

12.In a spaceship, astronauts can

A.walk just as they do on the earth

B.not eat anything because it's dangerous

C.control the spaceship when they are sleeping

D.not litter small things or it will make trouble

答案：D

13.In what way is food for space packed?

A.Very small pieces of food are put on the floor.

B.Some of it is put into tubes.

C.Small-sized cookies are packed in plastic.

D.Both B and C.

答案：D

14.Why does an astronaut put his hand under his belt when he sleeps?

A.Because he thinks it is comfortable to sleep in that way in space.

B.Because he doesn't want to touch any controls when he sleeps.

C.Because the instruments of the spaceship are easily broken.

D.Because he is afraid that the seat will move.

答案：B

15.The best title of this article is

A.Eating and Sleeping in Space

B.How Astronauts Eat in Space

C.Food for Space

D.How Astronauts Sleep in Space

答案：A

When a consumer finds that an item she or he bought is faulty or in some other way does not live up to the manufacturer's claim for it, the first step is to present the warranty(保单), or any other records which might help, at the store of purchase. In most cases, this action will produce results. However, if it does not, there are various means the consumer may use to gain satisfaction.

A simple and common method used by many consumers is to complain directly to the store manager. In general, the "higher up" the consumer takes his or her complaint, the faster he or she can expect it to be settled. In such a case, it is usually settled in the consumer's favour, assuming he or she has a just claim.

Consumers shoud complain in person whenever possible, but if they cannot get to the place of purchase, it is acceptable to phone or write the complaint in a letter.

Complaining is usually most effective when it is done politely but firmly, and especially when the consumer can demonstrate what is wrong with the item in question. If this cannot be done, the consumer will succeed best by presenting specific information as to what is wrong, rather than by making general statements. For example, "The left speaker does not work at all and the sound coming out of the right one is unclear" is better than "This stereo(立体声音响)does not work."

The store manager may advise the consumer to write to the manufacturer. If so, the consumer should do this, stating the complaint as politely and as firmly as possible. But if a polite complaint does not achieve the desired result, the consumer can go a step further. She or he can threaten to take the seller to court or report the seller to a private or public organization responsible for protecting consumers’rights.

16.When a consumer finds that his purchase has a fault in it, the first thing he should do is to ______.

A. complain personally to the manager

B. threaten to take the matter to court

C. write a firm letter of complaint to the store of purchase

D. show some written proof of the purchase to the store

答案：D

17.If a consumer wants a quick settlement of his problem, it’s better to complain to ______.

A. a shop assistant

B. the store manager

C. the manufacturer

D. a public organization

答案：B

18. The most effective complaint can be made by ______.

A. showing the faulty item to the manufacturer

B. explaining exactly what is wrong with the item

C. saying firmly that the item is of poor quality

D. asking politely to change the item

答案：B

19. The phrase "live up to" (Para. 1, Line 2)in the context means ______.

A. meet the standard of

B. realize the purpose of

C. fulfil the demands of

D. keep the promise of

答案：A

20. Tthe passage tells us ______.

A. how to settle a consumer's complaint about a faulty item

B. how to make an effective complaint about a faulty item

C. how to avoid buying a faulty item

D. how to deal with complaints from customers

答案：B

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