简述中毒的分类？_爱下问搜题

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问题问答题简答题

简述中毒的分类？

答案

参考答案：

1）慢性中毒

2）急性中毒

3）亚急性中毒

选择题

— Do you think we should accept that offer?
— Yes, we should, for we ____ such bad luck up till now, and time ____ out.

A. have had; is running
B. had; is running
C. have; has been run
D. have had; has been run

问答题简答题

阐释产业集群的含义。