◎ 题干
Some scientists believe that         is no doubt         a cure for AIDS will be found.
A.it; thatB.it; whetherC.there; thatD.there; whether
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“Some scientists believe that is no doubt a cure for AIDS will be found.A.it; thatB.it; whetherC.there; thatD.there; whether…”主要考查了你对  【therebe句型】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。