题目

According to recent reports, one of the rare animals, ________ crocodile, is in ________ danger of dying out. A.a; the  B./; a C./; the  D.the; /   答案: D    the crocodile特指上文中的稀有动物之一,所以前面要加定冠词。in danger of处于危险之中,为一固定短语。  
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