某公司生产了一种饮料，其注册商标为“乐哈哈”。该公司同时又将“哈哈乐”、“乐乐哈”作

如图所示装置的气密性检查中，漏气的是（　　）

A．

B．

C．

D．

请简述光与物质的三种相互作用的意义。

改为同义句，每空一词。

1. My dad stopped drinking two weeks ago.

  My dad _______ ________ drinking two weeks ago.

2. Are you proud of being a volunteer?

  Do you _______ ________ _______ being a volunteer?

3. We were surprised that the little girl could draw so well.

________ ________ ________, the little girl could draw so well.

4. Jane doesn't go to work by bus any longer.

Jane _______ ________ _______ to work by bus.

5. Andy has decided to be a scientist when he grows up.

  Andy has ________ _________ ________ to be a scientist when he grows up.

客户连续累计输错账户密码达（）次，密码自动锁定。

A.2

B.3

C.5

D.6

堑坡崩塌后应如何处理？