Knowledge and learning are important if we want to be successful, but they may a
题型：不详难度：来源：
Knowledge and learning are important if we want to be successful, but they may also __________ our thinking.| A．direct | B． limit | C． change | D．improve |
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答案
| B |
解析
试题分析：考查动词辨析。句意：如果我们想要成功的话，知识和学习都很重要，但它们也可能限制我们的思维。direct指示, 指引，导演（戏剧或电影）；指挥（管弦乐队）；limit限制；change改变；improve改进，改善。根据句中but的转折，选B。 |
举一反三
－Have you known the exam result?
－Not yet. I guess the paper ________ by the teacher now.| A．has graded | B．is graded | C．is being graded | D．is grading |
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Peter ________ at this job since he graduated from college.| A．is employed | B．was employed | C．has been employed | D．had been employed |
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— I ______ the chance to apply for the new post. What do you think?
— I think you should go for it. We’ll all back you up.| A．have given | B．am given | C．have been given | D．was given |
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Tom was badly injured in the accident last week. A new manager____ to take his place since then. | A．has been arranging | B．has arranged | | C．was arranged | D．has been arranged |
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Last year, he wrote to tell me that he ______ his new dance. But I ______ of him ever since.| A．practised; didn’t heard | B．has practised; haven’t heard | | C．was practising; hadn’t heard | D．was practising; haven’t heard |
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