[单项选择]One out of five Chinese studying abroad goes to the United States.（）
A. 5个中国人中的一个正在美国学习。
B. 5个中国人中的有一个出国是去美国学习的。
C. 去国外学习的中国人中有1/5去了美国。
D. 1/5的中国留学生去了美国。

[单项选择]

Passage Five
Although no one is certain why migration occurs, there are several theories. One theory is based upon the premise that prehistoric birds of the northen Hemisphere were forced south during the Ice Age, when glaciers covered large parts of Europe, Asia, and North America. As the glaciers melted, the birds came back to their homelands, spent the summer, and then went south again as the ice advanced in winter. In time, the migration became a habit, and now, although the glaciers have disappeared, the habit continues.
Another theory proposes that the ancestral home of all modern birds was the tropics. When the region became overpopulated, many species were crowded north. During the summer, there was plenty of food, but during the winter, scarcity forced them to return to the tropics.
A more recent theory, known as photoperiodism, suggests a relationship between increasing daylight and the stimulation of certain glands in the birds’ bod
A. To test the relationship between daylight and a disease of the glands common to birds.
B. To test the relationship between daylight and migration.
C. To test the relationship between migration and temperature.
D. To test the relationship between daylight and changes in the season.

[单项选择]

Passage Five
One evening Mr. Green was driving home along a lonely country road. He had ￡1,000 in his pocket. 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 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 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 wanted Mr. Green’
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]We'd like to ______ a table for five for dinner this evening.
A. preserve
B. reserve
C. retain
D. sustain

[单项选择]Raising one's open hand with palm down to one's throat means" ______" in English culture.

[单项选择]No sooner （） the news than they rushed out into the street.
A. they heard
B. they had hear
C. did they hear
D. had they heard

[单项选择]In the course of the same year，war broke out in that are


A. A．在同一年的过程中，战争在这个地区发生。
B. 同年，该地区爆发了战争。
C. 同年，战争在这个地区爆发。
D. 在同一年的过程中，战争破坏了这个地区。

[单项选择]According to the passage, one misses most about the world when one______.


A. is blind
B. is deaf
C. has no senses of taste and touch
D. has no senses of balance and motion

[单项选择]Which of these trains is the one （）goes to Nanjing
A. which
B. of which
C. of these
D. that

[单项选择]One of the important properties of a scientific theory is its ability to（） further research and further thinking about a particular topic.
A. invent
B. stimulate
C. renovate
D. advocate

[单项选择]Housewives who do not go out to work often feel that they are not working to their full ______.


A. possibility
B. strength
C. length
D. capacity

[单项选择]Which of the following is one of the areas that the states governments is involved in the nineteenth century


A. Eating.
B. Housing.
C. Manufacturing.
D. Higher education.