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    精英家教网 > 高中英语 > 题目详情
    Some researchers believe that there is no doubt______a cure for AIDS will be found.
    A．whetherB．that
    C．whatD．which
    B

    试题分析：考查名词性从句。there is no doubt that...“......是毫无疑问的”；that引导同位语从句，解释说明doubt所指的内容。故选B。
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