31. What is the writer going to do when someone asks him for direction?

A. He will direct the right way to the person willingly.

B. He will reply to it by the means of being a stranger to the town.

C. He will give the very person long list of direction.

D. He is going to show the man an opposite direction.

30．People think sleepwalking is nothing but one of the fantastic things without any explanation. Why?

　 A. It is so common that it needn’t be recorded.

　 B. Scientists take no interest in it.

　 C. Doctors don’t want to care about it.

D. No records about it have been made.

H

Some people are lucky enough to be born with a good sense of direction and even if they have only visited a place once, they will be able to find it again years later.

I am one of those unfortunate people who have poor sense of direction and I may have visited a place time after time but I still get lost on my way there. When I was young I was so shy that I never dared ask complete strangers the way and so I used to wander round in circles and hope that by some chance I would get to the spot I was heading for.

I am no longer too shy to ask people for direction, but I often receive replies that puzzle me. Often people do not like to admit that they didn’t know their hometown and will insist on telling you the way, even if they do not know it; others, who are anxious to prove that they know their hometown very well, will give you a long list of directions which you can not possibly hope to remember, and still others do not seem to be able to tell between their left and their right and you find in the end that you are going in the opposite direction to that in which you should be going.

If anyone ever asks me the way to somewhere, I always tell them I am a stranger to the town in order to avoid giving them wrong direction but even this can have embarrassing results.

Once I was on my way to work when I was stopped by a man who asked me if I would direct him the way to the Sunlight Building. I gave my usual reply, but I had not walked on a few steps when I realized that he had asked for directions to my office building. However, at this point, I decide it was too late to turn back and search for him out of the crowd behind me as I was going to meet with someone at the office and I did not want to keep him waiting.

Imagine my embarrassment when my secretary showed in the very man who had asked for directions of my office and his astonishment when he recognized me as the person he had asked.

29．An American expert knows more about sleep than any other man alive, ________.

　A. because he can get many takers for his experiment

　B. because he has had trouble with sleep for 30 years

　C. but he says he has never seen sleepers walk

　D. but he has nobody to sleep together with him

28．The passage mentions a college student who got into the habit of ________.

　A. getting up in the middle of the night and walking out

　B. walking three quarters of a mile every day

　C. swimming in the Iowa River before going to bed

　D. walking about before he went to bed

27．It was reported that a boy ________.

　A. was found on a strange sofa, telling how he had got there

　B. slept in his own room but woke up in a strange room

　C. lost his way five hours after he left home

　D. was searched for by policemen for he lost his way

26．Generally speaking, sleepwalkers are the ones that ________.

　A. can climb on roofs

　B. can walk through windows

　C. can do fantastic things during their sleep

　D. can walk in a half-awake state

25．This selection was probably written to ________.

　A. show how lazy cats are

　B. talk about the habits of cats

　C. tell about famous people and their habits

D. persuade people to take naps

G

　There is an endless supply of stories about sleepwalkers (梦游者). Persons have been said to climb on roofs, solve mathematical problems, write music, walk through windows, and do murder in their sleep.

　In Revere, Massachusetts, a hundred policemen searched for a lost boy who left his home in his sleep and woke up five hours later on a strange sofa in a strange living room, with no idea how he had got there.

　At the University of Iowa, a student was reported to have the habit of getting up in the middle of the night and walking three quarters of a mile to the Iowa River. He would take a swim and then go back to his room to bed.

　An expert on sleep in America claims(声称)that he has never seen a sleepwalker. He is said to know more about sleep than any other man alive, and during the last thirty-five years he has lost a lot of sleep watching people sleep. He says, “Of course, I know that there are sleepwalkers because I have read about them in the newspapers. But none of my sleepers ever walked, and if I were to advertise for sleepwalkers for an experiment, I doubt whether I could get many takers. ”

　Sleepwalking, however, is a scientific reality. It is one of those strange things that sometimes look quite like the fantastic(怪诞的). Doctors say that sleepwalking is much more common than is generally supposed. Many sleepwalkers do not try to find help and are never recorded.

24．Naps usually last ________.

　A. three hours　　　　　　　 B. less than half an hour

　C. forty-five minutes　　　　　 D. fifty-five minutes

23．Which of the following statements is NOT true? ________.

　A. People should take their naps secretly

　B. Cats have the same moods as people

　C. Some famous people take cat naps

　D. Some people have full energy after they take cat naps

22．Taking cat naps ________.

　A. will make a person lazy and tired

　B. is a bad habit

　C. will make people feel better

　D. can help people to become famous