更多"One of the many theories about alco"的相关试题:
[单项选择]One of the many theories about alcoholism is the learning and reinforcement theory, which explains alcoholism by considering alcohol drinking as a reflex response to some stimulus and as a way to reduce an inner drive state such as fear or anxiety. Characterizing life situations in terms of approach and avoidance, this theory holds that persons tend to be drawn to pleasant situations or repelled by unclean, sanity ones. In the latter case, alcohol drinking is said to reduce the tension or feelings of unpleasantness and to replace them with the feeling of pleasure generally observed in most persons after they have consumed one or more drinks.
Some experimental evidence tends to show that alcohol reduces fear in an approach-avoidance situation. Conger trained one group of rats to approach a food goal and trained another group to avoid electric shock. After an injection of alcohol the pull away from the shock was measurably weaker, while the pull toward food was unchanged.
The o
A. concludes that alcohol drinking may affect appetite.
B. confirms the findings of other academic researchers.
C. shows that alcohol minimizes fear.
D. disproves learning and reinforcement theory.
[简答题] Computers have brought about many change in our life.(71){{U}}With the developing of science and technology, the use of electronic computers is growing rapidly year by year in various fields of man’s activities.{{/U}} They have been of great help in scientific research, engineering and our daily life. for example computers are sweeping the word’s office, taking with them much of the routine clerical work that secretaries do,.(72){{U}}Computers also make it possible will stay at home and work.{{/U}}
(73){{U}}Computers are widely used in daily life. Because of their efficiency and convenience, computer are very popular in daily life.{{/U}} Many writer use them to write and correct articles and quiet a few people frequently communicate with each other by computer. Even small children are use them to make rapid progress in their study. Stores make use of them to keep records of their stock and send bills to their customers while office use computers to type letters and keep trac