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5._____ there are two different results,scientists now generally agree that some kinds of dinosaurs lived in big groups.(  )
A.ThoughB.IfC.As long asD.Unless

分析 尽管有两种不同的结果,但是科学家现在普遍认为一些种类的恐龙是群居生活的.

解答 答案:A.
根据句意"尽管有两种不同的结果,但是科学家现在普遍认为…",可知,前后存在着逻辑上的一种转折关系,所以用though来引导;故选A.

点评 本题考查从属连词的用法.连词的用法辨析,要注意分析主从句之间的逻辑关系,再确定相应的连词,同时注意不同的连词的语义及用法区别.

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