Every year throughout the world【C1】______6,000 earthquakes are detected. The vast majority of these are【C2】______too small or to

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问题     Every year throughout the world【C1】______6,000 earthquakes are detected. The vast majority of these are【C2】______too small or too far from populated areas to be felt. Several hundred, however, are felt and the majority of these, while frightening, are relatively harmless. A small number of earthquakes, however, are severe enough to cause serious damage to【C3】______as well as injuries and even deaths. Earthquakes are a serious concern in major cities such as Tokyo, Mexico City, Los Angeles and San Francisco which lie on or near earthquake faults.
    Major earthquakes, while uncommon, rank among the deadliest of natural【C4】______. In the 20th century an average of 15,000 people have died every year due to earthquakes. Many deaths are caused by【C5】______buildings, houses, bridges and other structures. Much damage—both to material and to humans—however, is the result of【C6】______effects of earthquakes such as tidal wave, landslides, avalanches, fires and the collapse of dams. Additionally, serious earthquake may
【C7】______a city’ s infrastructure resulting in【C8】______drinking water, impassable roads, and disruptions in the supply of power and phone service. If damage to a city’ s sanitation system and disruption of food and water supplies lasts long, earthquakes can cause significant injury and death long after the shaking of the earthquake itself has subsided.
    Because earthquakes are【C9】______, a program of hazard reduction is the only way to combat the severe damage earthquakes can inflict on life and property. Seismologists still cannot accurately predict the timing of earthquakes, but they can identify areas which are subject to seismic risk. Education of the population about the dangers of the earthquakes and what to do in the event one occurs are important in【C10】______damage.
A)collapsing B)increasingly C)Devastate D)approximately
E)contaminated F)neither G)catastrophes H)inevitable
I)either J)limiting K)possibility L)implement
M)side N)property O)originate
【C2】

选项

答案I

解析 此空与后面or组合为固定结构,选项中“either…or…”(……或……)为固定短语。置于原文意为,大多数地震很难被感觉到,因为规模比较小,或者离居民区较远。因此,正确答案是I。
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