2. 职称英语
  3. Most earthquakes occur within the upper 15 miles of the earth’s surface. But

Most earthquakes occur within the upper 15 miles of the earth’s surface. But

游客2023-12-30  62
问题     Most earthquakes occur within the upper 15 miles of the earth’s surface. But earthquakes can and do occur at all 【C1】________to about 460 miles. Their number【C2】________as the depth increases.
    At about 460 miles one earthquake occurs only every few years. Near the surface earthquakes may run as high as 100 times in a month, but the【C3】________average does not vary much.
    【C4】________comparison with the total number of earthquakes each year, the number of        【C5】________earthquakes is very small.
    The【C6】________of the disaster in an earthquake【C7】________on many factors. If you carefully build a toy house with an erector set, it will still stand no matter【C8】________much you shake the table. But if you build a toy house with a pack of cards, a slight【C9】________of the table will make it fall. An earthquake in Agadir, Morocco was not strong enough to be recorded on distant instruments, but it completely【C10】________the city. Many stronger earthquakes have done【C11】________little damage. If a building is well-constructed and built on【C12】________ground, it will resist an earthquake. Most deaths in earthquakes have been due to【C13】________building construction or poor building【C14】________A third and very serious factor is【C15】________When people rush out into narrow streets, more deaths will【C16】________The United Nations has played an important part in【C17】________the damage done by earthquakes. It has sent a team of experts to all countries known to be affected by earthquakes. Working with local geologists and engineers, the experts have studied the【C18】________of the ground and the type of most practical building code for the local area. If【C19】________, these suggestions will make disastrous earthquakes【C20】________a thing of the past. [br] 【C8】
选项 A、that
B、which
C、what
D、how
答案 D
解析 语法结构题。根据空格后的much可知此处填入的词表示程度，故选D。句意：如果你用拼装部件搭建一个玩具屋，那么无论你如何晃动桌子它都不会倒。
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