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        1. 【題目】If sharks’ numbers________too low, it will bring danger to all ocean life.

          A.dropB.jumpC.fillD.climb

          【答案】A

          【解析】

          句意:如果鯊魚的數(shù)量下降太低,就會給所有的海洋生物帶來危險。

          考查動詞。根據(jù)本句中“sharks’ numbers”和“too low”可知,此處表示數(shù)字下降得太低。drop動詞,下降;jump動詞,跳躍;fill動詞,裝滿;climb動詞,爬。故drop符合句意。故選A。

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