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  3. It has been a hundred years since the last big one in California, the 1906 San Francisco earth quake, which helped give (1)_____

It has been a hundred years since the last big one in California, the 1906 San Francisco earth quake, which helped give (1)_____

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问题     It has been a hundred years since the last big one in California, the 1906 San Francisco earth quake, which helped give (1)_____ to modem earthquake science. A century later, we have a highly successful (2)_____, called plate tectonics, that explains why 1906-type earthquakes happen—along with why continents drift, mountains rise, and volcanoes (3)_____ the Pacific Rim. Plate tectonics may be one of the (4)_____ triumphs of the human mind, geology’s (5)_____ to biology’s theory of evolution. And yet scientists still can’t say when an earthquake will happen. They can’t even come (6)_____.
    What scientists can do right now is make good maps of fault zones and (7)_____ out which ones are probably due (8)_____ a rupture. And they can make forecasts. A forecast might say that, over a certain number of years, there is a certain (9)_____ of a certain magnitude earthquake in a (10)_____ spot. And that you should fix your house to its foundation and glue the water heater to the wall.
    Turning forecasts into predictions—"a magnitude 7 earthquake is (11)_____ here three days from now"—may be impossible, but scientists are doing everything they can to solve the (12)_____ of earth quakes. They break rocks in laboratories, studying how stone (13)_____ under stress. They hike (14)_____ ghost forests where dead trees (15)_____ of long-ago tsunamis. They make maps of unsecured, balanced rocks to see where the ground has (16)_____ in the past and how hard. They dig ditches across faults, searching for the active trace. They have wired up fault zones with so many sensors it is (17)_____ the Earth is a patient (18)_____ intensive care.
    (19)_____, we tell ourselves—trying hard to be persuasive—there must be some way to (20)_____ order and criterion on all that untrustworthy ground.

选项 A、response
B、reply
C、retort
D、answer
答案D
解析 词汇辨析题。answer意为"符合，与同一类别的另一个相似"，此处表示地质学的板块构造理论与生物学的进化论相符。answer，response，reply，retort这组词都有"回答"的含义，但是在原文answer所表示的含义却是其他三个词不具有的。当用于"回答"之意时，它们的区别如下：answer使用范围最广，既包含语言又包含行动；response用于表示自发的反应，或不反对做出反应；reply虽然也可以用来表示"以行动回答"，但与answer明显不同：The officer answered the guard’s salute by a nod．那位军官点一点头以回答卫兵的敬礼。The officer replied the guard’s salute．那位军官对卫兵的敬礼回了礼。retort指用迅速、辛辣或机智的口头方式回答："You don’t need to worry about appearing too intelligent"，retorted his opponent．你不必担心表现得过分机智"，他的对手反驳道。
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