【单选题】【消耗次数:1】
当病原体进入人体后,在体内繁殖,这种被感染的人或动物叫做( )。
易感者
传染源
传播途径
传播者
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相关题目
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【单选题】 The article ______ in French were impossible for me to read.
①  written
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