[单项选择]Social scientists have recently become greatly interested in space because ______.
A. space industrialization will create new markets and more jobs on Earth
B. space exploration will be harmful to man
C. space colonization is near at hand
D. otherwise technologists will catch the opportunity to go to space

[单项选择]Electronic computer has ______ greatly social economy and life.
A. transferred
B. transformed
C. transported
D. translated

[单项选择]What social scientists have long felt puzzled about
A. The mortality rate can not be predicted.
B. The death toll remained stable year after year.
C. A quota for each type of death has not come into being.
D. People lost their lives every year for this or that reason.

[单项选择]The social scientists have long felt confused about the fact that______.
A. 2,500 people accidentally commit suicide every year
B. the death rates remained stable year after year
C. a quota for each type of death has not established
D. people lost their lives every year for this or that reason

[单项选择]

Text 3
Lately social scientists have begun to ask if culture is found just in humans, or if some animals have culture too. When we speak of culture, we mean a way of life a group of people have in common Culture includes the beliefs and attitudes we learn. It is the patterns of behavior that help people to live together. It is also the patterns of behavior that make one group of people different from another group.
Our culture lets us make up for having lost our strength, claws, long teeth, and other defenses. Instead, We use tools, cooperate with one another, and communicate in language. But these aspects of human behavior, or "culture", can also be found in the lives of certain animals.
We used to think that the ability to use tools was the dividing line between human beings and other animals. Lately, however, we have found that this is not the case. Chimpanzees can not only use tools but actually make tools themselves. This is a major s
A. the history of animal learning
B. the difference between animals' culture and that of human beings
C. the various aspects of animals culture
D. the dividing line between animals and human beings

[单项选择]

Text 3 Lately social scientists have begun to ask if culture is found just in humans, or if some animals have culture too. When we speak of culture, we mean a way of life a group of people have in common Culture includes the beliefs and attitudes we learn. It is the patterns of behavior that help people to live together. It is also the patterns of behavior that make one group of people different from another group. Our culture lets us make up for having lost our strength, claws, long teeth, and other defenses. Instead, We use tools, cooperate with one another, and communicate in language. But these aspects of human behavior, or "culture", can also be found in the lives of certain animals. We used to think that the ability to use tools was the dividing line between human beings and other animals. Lately, however, we have found that this is not the case. Chimpanzees can not only use tools but actually make tools themselves. This is a major step up from simply picki
A. some animals may also have the same ability to use language as human beings
B. human beings, unlike many other animals, no longer have such features as great strength, claws, long teeth and other defenses
C. there seems to be nearly no difference between human beings and other animals
D. monkeys and chimps seem to have more in common with human beings than any other animals

[单项选择]Great changes in a country's social structure have always caused stresses.
A. 一个国家社会阶层的重大变化总会带来压力。
B. 一个国家社会结构的压力总引起巨大的变化。
C. 一个国家社会结构的巨变总会导致紧张状态。
D. 一个国家社会阶层的重大变化总是很突然的。

[单项选择]Debates within the social sciences have ______ an intellectual space which has.
A. constrained
B. occupied
C. dominated
D. restricted

[单项选择]Debates within the social sciences have______ an intellectual space which has.
A. constrained
B. occupied
C. dominated
D. restricted