题目内容
13.Some researchers believe that there is no doubt_____a cure for AIDS will be found.( )A. | which | B. | what | C. | that | D. | whether |
分析 一些研究人员相信毫无疑问,艾滋病的治疗方法将会被发现.
解答 答案:C.根据固定短语 there is no doubt,毫无疑问,再结合 a cure for AIDS will be found.可知整句是对前面 doub的补充说明,是同位语从句,不缺成分,故选C.
点评 本题考查同位语从句,在熟知同位语从句连接词,充分分析句型以及there is no doubt,毫无疑问基础上便能选出正确答案.

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