抑菌剂或其他抗菌药物在表面活性剂溶液中被增溶而降低活性时，此

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问题单项选择题

抑菌剂或其他抗菌药物在表面活性剂溶液中被增溶而降低活性时，此时抑菌剂或其他抗菌药物的用量应

A．增加

B．降低

C．不变

D．根据环境而定

E．根据pH值而定

答案

参考答案：A

填空题

用括号内单词的适当形式填空。

1. I _____ (watch) TV yesterday evening.

2. Did you _____ (live) here when you were young?

3. We can see lots of ______ (bus) on the road.

4. Where ______ (be) Daming and Lingling last week?

5. ______ (be) there a television in your home?

6. My mother ______ (not go) to work last week. She ______ (be) ill.

7. —What _____ Lingling _____ (do) last weekend?

—She ______ (do) her homework,

8. Thank you for _____ (help) me a lot.

单项选择题

后组筛窦的开口于()

A．上鼻道

B．中鼻道

C．下鼻道

D．蝶筛隐窝

E．额骨鼻突