The significance of the slow speed of tsunamis is that people mayA.notice them out at sea.

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The significance of the slow speed of tsunamis is that people may

A.notice them out at sea.

B.find ways to stop them.

C.be warned early enough.

D.develop warning systems.

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答案解析

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  • 正确答案:C
    解析:推断题。最后一段表明海啸预警系统并不能阻止海啸的发生,但是海啸的运动速度非常慢,精确的报警系统可向所有面临危险的海岸发出警报,人们可以有足够时间离开危险的海岸,逃到高地上,故C 符合原文。