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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
admin
2010-02-17
56
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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0
专业英语四级
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