题目内容
5.It is so wet there that the trees are extremely tall,some _____ over 90meters.( )A. | measure | B. | measures | C. | measuring | D. | measured |
分析 那里如此潮湿以致树长得非常高,一些高达90米.
解答 答案是C.本题考查分词的独立主格结构.分词的独立主格结构是"主语+分词"的结构,注意2点:1)分词的选择看分词和结构中的主语的关系;2)结构中不能用谓语动词,不看成句子,后面可以接完整的句子.本题逗号前面是完整的句子,逗号后若用完整的句子则需要并列连词或从属连词,题干中不存在,由此判断逗号后不能是完整的句子,所以measure必须以非谓语的形式出现,排除A和B;题干中some (trees) 和measure之间是主动关系,所以答案选择C.
点评 首先判断选项中的动词在句中是以谓语还是非谓语形式出现;然后根据选项在句中的功能结合非谓语的基本用法做出合理的判断.要积累常见非谓语动词的搭配和句型.
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