下面的印模材料不属于弹性印模材料的是（） A.琼脂 B.藻酸盐 C.印模膏 D.硅橡

根据首字母和句意补全单词。

1. Our football team won the prize. We were very e_______.

2. He failed in the exam because he made many m_______.

3. Her d_______ was a great shock (打击) to me and made me very sad.

4. Last summer I had an o_______ to volunteer at the local hospital.

5. I asked his p_______ to use the car.

6. The girl is a little shy. She has a small c_______ of friends.

7. You can talk to her.She is a good l_______.

8. I would give it to m_______ research if I had a million dollars.

9. Rosa is in a _______ that vegetables good for health.

10. The music is like B______ dance music.

口服对胰岛功能缺乏者仍有降糖作用的药物是（）

A.氯磺丙脲 

B.胰岛素 

C.球蛋白锌胰岛素 

D.低精蛋白锌胰岛素 

E.二甲双胍

袁世凯得以篡夺辛亥革命果实，是因为（）①袁世凯阴险狡诈②帝国主义支持③革命 * * 中立宪派和旧官僚向革命派进攻④民族资产阶级的软弱性、妥协性

A.①②④

B.②③④

C.①②③

D.①②③④

锅炉运行中容易发生哪些事故？

室外燃气管道的严密性试验要求是怎样的