题目内容
14.To our surprise,even children canoperate the machine without any directions.(operation)分析 令我吃惊的是,甚至孩子们都能没有任何指导的情况下操作这个机器.
解答 答案:operate.
句中的can是情态动词,后需加动词原形,所给单词operation是名词操作,其动词是operate,故答案是operate.
点评 -tion后缀附在动词后面,构成名词,例如instruct(v.指导)可变成instruction(n.).当单词最后是t,d.te,de时,变名词加ion或者去e加tion
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