During the Ice Ages, man developed the use of tools, and thus a way of protecting himself against ______.

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问题 During the Ice Ages, man developed the use of tools, and thus a way of protecting himself against ______.

选项 A、shortcomings
B、faults
C、mistakes
D、hazards

答案D

解析词义辨析。本题前三项都作“缺点”，“错误”讲，不合题意，故只能选hazards危险。

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大学英语六级

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During the Ice Ages, man developed the use of tools, and thus a way of protecting himself against ______.

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