题目内容
【题目】The ________ of rainforests makes us worried.
A. appear B. appearance C. disappear D. disappearance
【答案】D
【解析】
句意:雨林的消失使我们很担心。A. appear 出现,动词; B. appearance 外貌,名词; C. disappear 消失,动词; D. disappearance消失,名词;根据The 和of rainforests可知用名词形式,排除A/C;根据句意makes us worried可知是雨林的消失;故选D
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