___________therearemanydifferenttypesoffood,someanimalsspendtheirlivese

发布时间:2020-08-04 02:43:19

___________there are many different types of food, some animals spend their lives eating only one type.A.SinceB.Unless C.OnceD.While

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D解析试题分析:考查连词:A. Since自从B. Unless除非C. Once一旦,     D. While虽然,当…时候,句意:虽然有很多不同类型的食物,一些动物一生只吃一种食物。选D。考点:考查连词

点评:首先掌握各种连词的含义和作用,在做题时要弄清上下文的逻辑关系。
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