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  3. Earthquakes may rightly be ranked as one of the most destructive forces known to man: since records began to be written down, it

Earthquakes may rightly be ranked as one of the most destructive forces known to man: since records began to be written down, it

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问题     Earthquakes may rightly be ranked as one of the most destructive forces known to man: since records began to be written down, it has been estimated that earthquakerelated fatalities have numbered in the millions, and that earthquakerelated destruction has been beyond calculation. The greater part of such damage and loss of life has been due to collapse of buildings and the effects of rockslides, floods, fire, disease, tsunamis (gigantic sea waves), and other ob servable events resulting from earthquakes, rather than from the quakes themselves.
    The great majority of all earthquakes occur in two specific geo graphic areas. One such area covers the Pacific Ocean and its bordering landmasses. The other extends from the East Indies to the Atlas Mountains, including the Himalayas, Iran, Turkey, and the Alpine regions. It is in these two great belts or zones that ninety percent of all earthquakes take place; they may, however, happen anywhere at any time.
    This element of the unknown has for centuries added greatly to the dread and horror surrounding earthquakes, but in recent times there have been indications that earthquake forecast may be possible. By analyzing changes in animal behavior, patterns of movements in the earth’s shell, variations in the earth’s force of attraction, and the frequency with which minor earth shakes are observed, scientists have shown increasing success in expecting when and where earth quakes will strike. As a result, a worldwide earthquake warning net work is already in operation and has helped to prepare for (and thus lessen) the vast destruction that might otherwise have been totally unexpected.
    It is doubtful that man will ever be able to control earthquakes and get rid of their destructiveness altogether, but as how and why earthquakes happen become better understood, man will become more and more able to deal with their possible damage before they occur.
We can infer from the passage that quakes ______.
选项 A、may happen anywhere at any time
B、mostly strike in oceans and mour~tains
C、are unobservable in masses of land
D、are hardly the direct cause of fatalities
答案B
解析 细节推理题。本题最具有迷惑性的选项是A)。根据常识就可以排除选项C)，选项D)则过于绝对，这两个都比较容易排除。而选项A)在文章第二段的最后一句话中几乎可以找到一模一样的说法。但是第二段的说法是有前提条件的，那就是“在两个特殊的地震高发带中，地震才有可能在任何地方任何时间出现”，而选项A)对这个前提条件没有提及。选项B)则是对第二段的最好总结，所以应选 B)。
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