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【单选题】
有机磷农药通过哪种途径代谢和排泄
A.
经皮肤、呼吸道吸收者，不经胃肠道排泄
B.
肝内氧化产物不如原来毒性强
C.
肝内降解产物比原来毒性增强
D.
经肾脏排泄
E.
在体内蓄积．毒性持久
参考答案：
参考解析：
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B.
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C.
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