题目内容
15.许多种类的动物因为水污染而灭绝.Many kinds of animalsdie out because of water pollution.
分析 die out.
解答 答案:die out.
表达的是客观事实用一般现在时,表示灭绝用dieout,主语是复数,故答案是die out.
点评 die out灭绝 die off相继死去 die away变弱;逐渐止息 die from因…而死
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