某地区人群一段时间以来出现皮肤瘙痒、腹泻及恶心等消化道症状，_爱下问搜题

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问题单项选择题 A1型题

某地区人群一段时间以来出现皮肤瘙痒、腹泻及恶心等消化道症状，你认为水源可能受到哪种物质污染（）

A.砷

B.甲基汞

C.苯

D.酚

E.氰

答案

参考答案：D

填空题

选词填空(用适当形式)。

pass...off as..., make one's acquaintance, generally speaking, in
terms of, show in, once more, in need of, fade out, take down, make notes

I. With these words, the announcer in the screen ______.
2. The troubled country was _____  medicine.
3. Don't give up. Try it _____ !
4. The manager asked me to ____  the man outside her office.
5._____, young women like it better than older women.
6. I____  with some Russian friends.
7. She  ____   an experienced actress.
8. She  ____    what he said, careful not to miss a word.
9. His most important strategy is to____before he places a call.

填空题

企业的所有资源包括物流，资金流，（）三大流。