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缺氧引起血液系统的代偿反应主要表现为_____和_____。..
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进行数据库系统的物理结构设计时,数据的存储结构有三种选择.....
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My hand was hurt. Could you do ____ typing for me?A.someB.manyC.suchD.any..
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盈余公积金达到注册资金()时可不再提取。 A.10% B.5% C.50% D.15%..
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It was a long time before I could _____ him _____ accepting the job.A.persuade ⋯toB.per..
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Once you _____ the knack of it, you will have no further difficulty.A.shall haveB.had h..
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