妊娠时峡被称为A.胎囊  B.异位妊娠  C.前置胎盘  D.子宫下段  E.子宫峡

根据句意及母提示填入适当的单词。

1. The foreign athlete's p_____ is so good that I can't believe he is from South Korea.

2. Sorry, I can't follow you. Can you speak more s_____?

3. Please be more careful, or you'll make more m_____.

4. Though Jet left his friends two years ago, he couldn't forget the f_____ between them.

5. As a s_____, Xu Sanduo knows he must try his best to do everything well. So he succeeded at last.

6. I r_____ I had to work harder to get good results.

7. Don't be a_____ of making mistakes, because everyone makes mistakes.

8. How will you d_____ with these old clothes?

9. It's not easy to s_____ such a difficult problem.

10. We should try our b_____ to learn English well.

下列哪一项丕星王有机磷农药中毒的主要表现

A．呼吸道分泌物增加，严重时发生肺水肿
B．全身紧束感、恶心、呕吐、食欲不振
C．头晕、头疼、言语不清及不同程度意识障碍
D．症状消失后2～3周个别病人出现周围神经病
E．肝功能严重受损及坏死性胰腺炎

细菌生长繁殖所需的条件有（），（），（），（）.

各种用于注射、穿刺等有创操作的医疗器具必须一用一灭菌。（）

刮板机运行时发现杂物应立即用铁铲清出。