若SF6配电装置室入口处没有SF6气体含量显示器,工作人员进入前,应先做什么事情?

题型:问答题

问题:

若SF6配电装置室入口处没有SF6气体含量显示器,工作人员进入前,应先做什么事情?

考点:电力考试电力安全工作规程(变电部分)电力安全工作规程(变电部分)试题6
题型:问答题

阅读理解。

     Tom and I are good friends. Tom is an English boy, but I am a Chinese girl. My name is Li Hua. He is

12 and I am 13. He is in Class One. I'm in Class One, too.

     Tom has a nice football. He can play it. I have a computer. I can play computer games, but I can't play

football. It's difficult. Tom teaches (教) me to play football, and I teach him to play computer games. Now

I can play football and Tom can play computer games.

1. Li Hua is ________, but Tom is ________.

A. Chinese, Chinese

B. Chinese, English

C. English, Chinese

D. English, English

2. Tom and Li Hua are ________.

A. girls

B. boys

C. 13

D. in Class One

3. —How old is Li Hua?

    —She is ________.

A. 11

B. 12

C. 13

D. 14

4. Tom can play ________ now with my help.

A. football

B. basketball

C. computer games

D. volleyball 

5. Which of the following (下面的句子) is true (真实的,正确的)?

A. Tom has a football and Li Hua has a computer.

B. Li Hua can't play football now.

C. Tom can't play football. It's difficult (难的).

D. Tom and Li Hua are teachers.

题型:问答题

下列变化中属于物理变化的是(  )

A.铁生锈

B.苹果腐烂

C.活性炭除去冰箱中的异味

D.蜡烛燃烧

题型:问答题

上唇红唇上的解剖标志有()。

A.人中嵴

B.人中穴

C.人中凹

D.唇珠

E.唇峰

题型:问答题

旁瓣伪像

题型:问答题

玄参的功效是()

A.清热凉血,滋阴解毒

B.清热凉血,活血散瘀

C.凉血活血,解毒透疹

D.凉血退蒸,清肺降火

E.清热凉血,养阴生津

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