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

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问题 Most earthquakes occur within the upper 15 miles of the earth’s surface. But earthquakes can and do occur【C1】______all depths 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【C3】______as 100 in a month, but the yearly average does not【C4】______much.
The【C5】______of the disaster in an earthquake depends on many【C6】______. If you carefully build a toy house with an erect set, it will still stand no matter【C7】______you shake the table. But if you build a toy house with a【C8】______of cards, a slight shake of the table will make it fall. An earthquake in Agadir, Morocco, was not strong enough to【C9】______on distant instruments, but it completely destroyed the city. Many stronger earthquakes have done comparatively【C10】______damage. If a building is well【C11】______and built on solid ground, it will【C12】______an earthquake. Most【C13】______in earthquakes have been【C14】______faulty building construction or poor building sites. A third and very serious factor is panic. When people rush out into narrow streets, more deaths will【C15】______.
The United Nations【C16】______an important part in【C17】______the damage done by earthquakes. It has sent a team of experts to all countries known to be【C18】______by earthquakes. Working with local geologists and engineers, the experts have studied the【C19】______of the ground and the type of most practical building code for the local area. If【C20】______, these suggestions will make disastrous earthquakes almost a thing of the past. [br] 【C18】

选项 A、influenced
B、effected
C、affected
D、involved

答案 C

解析词义辨析题affect，effect，influence作为动词，都含“影响”的意思。affect指“产生的影响之大足以引起反应”，着重“影响”的动作，有时含有“对……产生不利影响”的意思，如：This article will affect my thinking．这篇文章将会影响我的思想。effect指“实现”、“达成”，着重“造成”一种特殊的效果，如：This book effected achange in my opinion．这本书使我的看法起了变化。influence指“通过说服、举例等对行动、思想、性格等产生不易觉察到的、潜移默化的影响”，如：Influenced by a high-school biology teacher，he took up the study of medicine．在一位中学生物教师的影响下，他从事了医学研究。involve表示“涉及”，为混淆项。故选C。

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