America’s technological universities and government laboratories are generally______. The example given in the third paragraph

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问题 America’s technological universities and government laboratories are generally______.
The example given in the third paragraph is mainly used to show______.

选项 A、western Europe is spending more money than America in certain fields
B、Europeans are making more discoveries than Americans in retain fields
C、European scientists are more intelligent than American scientists
D、America’s scientific leadership is being replaced by European countries

答案D

解析 可以看到no longer,not by Americans but by Europeans,这说明美国的领先地位正在逐步被欧洲国家所代替。
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