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当前学科：预防医学科
题目：
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生物标志在地方病中应用于（）
A . 早期效应的测量
B . 内剂量的测量
C . 生物有效剂量的测量
D . 个体易感性的评价
E . 以上答案均正确
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试述纤维在非织造材料中的作用？
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