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These discoveries may throw light on the origins of the universe. The underlined part mean..
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He ______ considerable influence on the thinking of the scientific community on these issu..
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关于流行性乙型脑炎病原体哪一项是错误的A、是嗜神经病毒B、.....
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硝酸甘油口服,经肝门静脉入肝,再进入体循环的药量约10%左右.....
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A teacher who is skillful in delivering his lecture can undoubtedly ______ the mind of stu..
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组胺中毒的机制是A、扩张支气管B、收缩毛细血管C、降低体温D.....
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