_______ there are many different types of food, some animals spend their lives e
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_______ there are many different types of food, some animals spend their lives eating only one type.A.Since | B.Unless | C.Once | D.While |
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答案
D |
解析
试题分析: A. Since 自从,既然,B. Unless除非,C. Once 一旦,曾经,D. While 虽然,然而,当…时候,句意:虽然鱼很多种不同的食物,但是一些动物一生只吃一种食物。表示转折关系,所以选D。 |
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