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碘剂外渗的处理错误的是
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Living SpaceHow much living space does a person____? What happens when____space needs are not____? Scientists are doing experiments on____to try to____6____of overcrowded conditions on man. Recent ____have shown that the behavior of ____is greatly affected by space. If rats have enough living space, they eat well, sleep well and produce their ____well. But if their living conditions become too crowded, their behavior and even their ____change ____. They can not sleep and eat well, and ____of fear and worry become clear. The more crowded they are, the more they tend to ____each other and even kill each other. ____, ____17__, populations and violence are directly related. Is this a natural law for human society as well? ____enough space not only ____, but necessary for human survival? ____are interesting questions.
作用于机体，用于顶防、治疗、诊断疾病和用于计划生育的化学物质称为()。
研究药物与机体相互作用的规律是
天然药物的来源主要是,,,.
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