[单项选择]The loss of US predominance in the world economy in the 1980s is manifested in the fact that the American ______.


A. TV industry had withdrawn to its domestic market
B. semiconductor industry had been taken over by foreign enterprises
C. machine-tool industry had collapsed after suicidal actions
D. auto industry had lost part of its domestic market

[单项选择]The loss of US predominance in the world economy in the 1980s is manifested in the fact that the American ______.
A. TV industry had withdrawn to its domestic market
B. semiconductor industry had been taken over by foreign enterprises
C. machine-tool industry had collapsed after suicidal actions
D. auto industry had lost part of its domestic market

[单项选择]The loss of U.S. predominance in the world economy in the 1980s is manifested in the fact that the American ______.
A. TV industry had withdrawn to its domestic market
B. semiconductor industry had been taken over by foreign enterprises
C. machine - tool industry had collapsed after suicidal actions
D. auto industry had lost part of its domestic market

[单项选择]The US achieved its predominance after World War II because ______.
A. it had made painstaking efforts towards this goal
B. its domestic market was eight times larger than before
C. the war had destroyed the economies of most potential competitors
D. the unparalleled size of its workforce had given an impetus to its economy

[单项选择]Which has been done by World Health Organization in combating the bad effects of influenza
A. Supervising the assessment of influenza virus strains.
B. Holding meetings twice a year to provide the latest data concerning the composition of the vaccines.
C. Publishing the related information in a WHO almanac.
D. Stressing the importance of preventing influenza for people living in tropical areas of Asi

[单项选择]I was completely (at a loss) for words, because I felt (sorrier) (than) angry (at) what had happened.
A. at a loss
B. sorrier
C. than
D. at

[单项选择]The children will not be allowed to come with us if they don't ______ themselves.
A. guide
B. behave
C. act
D. direct

[单项选择]Even if its economy continues to recover, the US is increasingly becoming a nation of p. timers and temporary workers. This ______work force is the most important trend in American business today.
A. durable
B. disposable
C. available
D. transferable

[单项选择]

Passage Four
The world is known to us through many senses, not just hearing, smell, vision, and at close range, touch and taste.
Our skins let us know whether the air is moist or dry, whether surfaces are wet without being sticky or slippery. From the uniformity of slight pressure, we can be aware how deeply a finger is thrust into water at body temperature, even if the Anger is enclosed in a rubber glove that keeps the skin completely dry. Many other animals, with highly sensitive skins, appear to be able to learn still more about their environment. Often they do so without employing any of the five senses.
By observing the capabilities of other members of the animal kingdom, we come to realize that a human being has far more possibilities than are utilized. We neglect ever so many of our senses in concentrating on the five major ones. At the same time, a comparison between animals and man draws attention to the limitation of each sense. The part o
A. skins that are quick to feel and respond
B. skins that are delicate
C. skins that are completely dry
D. skins that are sticky or slippery

[单项选择]What do the majority of the people in the world use for health care
A. Strange and wonderful equipment.
B. Factory-produced chemicals.
C. Modern medicines.
D. Plants.