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5.Knowledge and learning are important if we want to be successful,but they may also________ our thinking.(  )
A.directB.limitC.changeD.improve

分析 如果我们想要成功,知识和学习都是重要的,但是,它们也许也会限制我们的思维.

解答 答案:B.
本题主要考查动词的词义辨析.在题干中,有很明显的转折副词"but",故要选择其相反的含义.选项A direct,指导,引导;选项B limit限制;选项C improve,提高改善;选项D change,改变,变化.根据句意"但是,它们也许也会限制我们的思维",所以应该选择B.

点评 做这类题目,首先要理解四个选项的词义,然后根据句意选择正确的选项.

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