[单项选择]According to the passage, one thing eusocial insects can do is rapidly switch from
A. (one type of food consumption to another
B. (one environment to another
C. (a solitary task to a group task
D. (a defensive to an offensive stance

[单项选择]The passage suggests that one major difficulty in establishing patterns of migration is
A. (A) the infrequency of life course events, which restricts the amount of data available to demographers
B. (B) the overwhelming availability of proxies in migration patterns, which creates a degree of stasis in migration records
C. (C) the lack of parishioner birth records, which limits the hard evidence upon which demographers base their observations
D. (D) the homogeneity of single parishes, which makes it difficult to distinguish the motivations of migrants
E. (E) the repetitive nature of migration, which results in a surfeit of unusable data that overwhelms demographers

[单项选择]The passage mentions that one reason English and Dutch settlers planted tulips in their gardens was that tulips
A. ( were easy to grow
B. ( had become readily available
C. ( made them appear fashionable
D. ( reminded them of home

[单项选择]

Passage Four 4
One evening Mr. Green was driving home along a lonely country road. He had ￡ 100.00 in his pock et. At the loneliest part of the road, a man asked for a lift (搭车). Mr. Green told him to get into the car and continued his driving. When he talked to the man and learned that the man had been in prison for robbery and had broken out of prison two days before, Mr. Green was very worried.
Suddenly he saw a police-car and had a bright idea. He just reached a small town where the speed limit (限制速度) was 30 miles an hour. But he drove the car as fast as it could go. He looked back and saw that the police-car had begun to chase (追) him. After a mile or so the police-car overtook (赶上) him and ordered him to stop. A policeman got out and came to Mr. Green’s car. Mr. Green hoped that he could tell the policeman about the escaped robber, but he felt the man had put a gun against his back. The policeman took out his notebook and pencil, saying he wante
A. Mr. Green didn't go to the police station until the man got off his car and ran away.
B. Mr. Green would go to the police station as soon as possible.
C. The robber got out of Mr. Green's car at the outskirts of London safely.
D. Mr. Green might not go to the police station unless he was wante

[单项选择]The passage implies that one of the most important factors for Keith Peiris’ success is ______.
A. a good family education
B. the invention of the computer
C. the great help from the school
D. the advantage of his age

[单项选择]

Passage Four
There is one thing that everyone wants more than anything else. Some people try to get it by making money. They think that when they have enough money to buy such things as houses, farms, and cars, they will have the one thing that everyone wants.
Other people believe that if they know enough they will find this thing. They study all their lives in search of it. Still others think that if they have power, they will find this thing. They keep telling themselves: when I am a boss, I will no longer have to search for this thing.
What is it that everyone wants more than anything else What is it that all of us keep working and striving for each day It is happiness.
Happiness is a strange thing. It does not mean the same to all men. What will make one man happy may not make another man happy. Some men say that happiness comes from helping others; other men say that happiness comes from making life more pleasant for everyone. What do y
A. when I have power, I will have happiness
B. being a boss is more important than feeling happy
C. when I become a boss, I will never search for happiness
D. boss and this thing mean the same to boss and I

[单项选择]According to ibis passage, which one of the following spellings would Webster have approved in his dictionaries


A. Develope.
B. Centre.
C. Colour.
D. Honor.

[单项选择]According to the passage, if one wants to study consumer behavior, he should ______.