下列清洗过程中，发生了乳化现象的是 A．用汽油清除油污 B．用盐酸清除铁锈 C．

同义句转换。

1. When I was a child, I made up my mind to be an artist.

    ________  a child, I _________ to be an artist.

2. He got a letter from his uncle last week. And the letter has more than 10000 words.

    He ___________   ___________ his uncle last week. And the letter has __________10000 words.

3. Lucy wants to find a job in her free time.

    Lucy is going to get a _________  job.

4. What's the weather like today?

    __________  ____________ the weather today?

5. My computer doesn't work.

    There is _________  ___________  ___________  

心理应激理论发展过程中包括以下认识途径（）

A.引起应激的刺激因素

B.由刺激因素引起的心理生理反应

C.应激是心理社会因素导致精神病的过程

D.刺激因素和心理生理因素之间的交互作用

E.应激是心理社会因素导致心身疾病的过程

接地线应由接地和短路线构成，并用多股软铜线，其截面不得小于（）平方毫米。

A、15

B、25

C、35

直接暴力所致骨折多为（）

A.横断型或粉碎型

B.横断型或斜型

C.粉碎型或斜型

D.螺旋型或横断型

E.斜型或螺旋型

催化装置所用催化剂的型号？