[单项选择]What will social scientists do in the years ahead
A. Warn people of the danger to live in space.
B. Offer opportunities for development to other scientists.
C. Discuss the relationship between space and man.
D. Study systematically the changes that space colonization may bring.

[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]In the years ahead, health professionals will be able to enhance or restore health far better ________at present.
A. ( whereas
B. ( they can
C. ( than
D. ( that are

[单项选择]Social scientists do NOT study ______.
A. marriage in different countries
B. the differences between life in rural and urban areas
C. how a satellite is launched
D. family life

[单项选择]The social scientists who adopt the social standing approach ______.


A. believe that Puerto Ricans will increasingly gain economic advantages
B. think that Puerto Ricans will lose their national cultures
C. regard the political relation of Puerto Rico to the United States as a significant factor
D. point out that coercion and inequality will inevitably occur in the process

[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]According to some social scientists, teenage girls who become pregnant are more ______ to drop out of school than those who don’t.
A. like
B. possible
C. possibly
D. likely

[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]While social scientists are devoting much of their effort to poverty research, ______.
A. not enough legal frameworks have been created to relieve the condition of the poor
B. they have done little to actually provide relief programs for the poor
C. they ignore the role of the elites as an object for poverty research
D. the poor people themselves do not much appreciate such effort

[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. By culture the author means something that people have in common in relation to their ideas, art, or their way of life
B. All animals are found to have the same culture as human beings
C. The ability to use tools used to serve as a dividing line between human beings and animals
D. Many things that animals used to be considered unable to do are now proved possible