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In phrases like generally speaking, judging from, or talking of, the -ing participle is us..
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关于盲法的介绍,下列哪个理解是错误的A、可分为单盲、双盲和.....
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在判断因果联系的标准中,存在剂量-反应关系表明A、联系的强.....
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According to the law which he later produced, everything in the universe attracts everythi..
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研究者欲对某药物进行临床试验,计划采用一种无药理作用的“.....
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Which of the following italicized parts DOESNT ind.....
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