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【单选题】Text 3 The divorce rate in Britain has levelled off—to roughly one marriage in three—and shows no sign of reaching the much higher American rate, according to the demographers(人口统计学者) as...
A.
lack of housing
B.
cohabitation
C.
the Iow divorce rate
D.
the problem of children
【单选题】Although the dream of the home robot has not died, robots have had their greatest impact in factories．Unimate, the first industrial robot, went to work for General Motors in 1961．Even at a time when c...
A.
the first robot of the world was designed in 1961 for General Motors
B.
the expensive computing power didn't hinder a robot's efficiency
C.
robots controlled by computers can do most tasks better than humans
D.
human workers often went on a strike when they were not satisfied in the past
【单选题】Text 3 The divorce rate in Britain has levelled off—to roughly one marriage in three—and shows no sign of reaching the much higher American rate, according to the demographers(人口统计学者) as...
A.
increased
B.
decreased
C.
fluctuated
D.
became stable
【单选题】How long does the world's installed high-speed rail network cover? PASSAGE PASSAGE PASSAGE China is designing its next generation of trains that can carry passengers at a top speed of 500 kilometers (...
A.
About 20,000km.
B.
About 30,000km.
C.
About 33,300km.
D.
About 45,500km.
【单选题】过度投资理论把繁荣时期的暴跌归因于（）。
A.
过高的利率使本来就不足的投资需求进一步减少，并因此导致生产过剩
B.
过度投资导致生产过剩并由此导致普遍的供过于求
C.
在周期性扩张期间企业进行错误的投资
D.
政府对市场运行体系的干预
【单选题】Text 3 The divorce rate in Britain has levelled off—to roughly one marriage in three—and shows no sign of reaching the much higher American rate, according to the demographers(人口统计学者) as...
A.
The divorce rate in Britain would reach 50 percent.
B.
Some 34 percent of women have cohabited.
C.
Over 50 percent of women cohabit before marriage.
D.
13 percent of births were outside formal marriage in Britain.