Experiments have shown that 160 decibels of noise are lethal for small fur-bearing animals.

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问题 Experiments have shown that 160 decibels of noise are lethal for small fur-bearing animals.

选项 A、protective
B、deadly
C、harmful
D、deafening

答案B

解析 形容词辨析lethal表:致命的;而选项A protective保护的,给与保护的;B.deadly致命的,势不两立的,极度的;C.harmful有害的,伤害的;D.deafening震耳欲聋的;因此B为答案。
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