[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]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]Scientists are responsible for people who hold harmful beliefs about human nature because ______.


A. the theories of scientists are used as justification for such harmful beliefs
B. only through science can these people be refuted
C. they have an obligation to correct their mistakes
D. scientists are the ones who know the true nature of humankind

[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]Written records seldom tell social scientists all that they want to know about past cultures.
A. usually
B. frequently
C. hardly ever
D. never

[单项选择]Conservative scientists who deny that cosmic gulfs can ever be crossed will ______.
A. laugh at the very idea of flight
B. learn a lesson as they did ten years ago
C. find space travel beyond their reach
D. oppose the fundamental scientific laws

[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]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]

Psychologists who adopt a strong behaviorist position deny that emotion experiences are matters for scientific inquiry. In contrast, some biosocial theories hold that emotion feelings must be studied because they are the primary factors in organizing and motivating human behavior. According to these theories, most of the functions attributed to emotion expressions. Such as empathy and altruism, are dependent on the organizing and motivating properties of underlying emotion feelings. Emotion experiences have several other functions.
Several lines of research have shown that induced emotion affects perception, learning, and memory. In one study, conducted by Carroll E. Izard and his students, subjects were made happy or angry and then shown happy and angry faces and friendly and hostile interpersonal scenes in a stereoscope. Happy subjects perceived more happy faces and friendly interpersonal scenes, and angry subjects perceived more angry faces and hospital interpersonal s
A. positive emotion feelings are sought after by everyone.
B. positive emotion feelings make people likely to show sympathy and be unselfish.
C. positive emotion feelings improve one's health greatly.
D. positive emotion feelings happiness and luck to one's lives.