问题
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In a diesel engine lube oil system, which of the following parts should be lubricated firs
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You should attend the meeting to be held in Beijing. The italicized part has all the follo
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Some people believe that the courses and majors in universities should be adjusted accordi
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Many people feel that human beings should be responsible for the disappearance of some ot
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Some people have drawn the conclusion from Bowlbys work that children should be subjecte
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Some people think that university education should be vocation-oriented. What do you think