2. 外语
  3. Nowadays groups of scientific workers, often【C1】______ by their governments, spend their time【C2】______ the occurrence of earthq

Nowadays groups of scientific workers, often【C1】______ by their governments, spend their time【C2】______ the occurrence of earthq

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问题      Nowadays groups of scientific workers, often【C1】______ by their governments, spend their time【C2】______ the occurrence of earthquakes. It is very likely that they will be able to【C3】______  earthquakes or influence the direction of their movements,【C4】______ determined by events far below the surface of the earth. But the facts they report and the theories【C5】______ by those facts may enable scientists to【C6】______ the centers of future earth quakes and even【C7】______ the time of their【C8】______ . It is only when the【C9】______ of  events that we call an earthquake can be seen as a pattern that【C10】______ can be made. Part of its pattern is external and visible, or capable of being【C11】______ by sensitive instruments above the earth’s surface.
   Scientists and engineers studied the shock waves of the San Francisco earthquake.  The city was rebuilt and new features were【C12】 ______ to strengthen buildings and【C13】______ a constant water supply【C14】______ the event of another earthquake.  Large underground tanks were constructed to supply water if【C15】______ supplies could not be tapped.  Special measures were【C16】______ to prevent fires, which often do more damage than earth quakes themselves. The San Francisco earthquake【C17】______ scientists with valuable information. Since the effects of the break were【C18】______ at the surface, scientists could【C19】______ what actually happened, and reports of the incident were an important【C20】______ to the world’s store of knowledge a bout earthquakes.
【C10】
选项 A、predictions
B、provisions
C、observations
D、preparations
答案A
解析 此二题均考查名词。解题关键在于弄清该句的句法。这是一个以强调句式出现的复合句，被强调的部分为时间状语从句，其主语 the(39)of events后还跟有that引导的定语从句。只有在我们称作地震的事件的(39)可以被看成是一种模式时才能做出(40)：先看39题的选项，A项consequence“后果”；B项seriousness“严重性”；C项sequence“连续；顺序”；D项result“结果”；C项the sequence of events意为“事件发生之顺序”，符合题意。再看40题， A项pr
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