为了保持机房的环境温度在正常范围,需要()。 A.必要的时候,开启空调 B.清洁防尘

题型:单项选择题

问题:

为了保持机房的环境温度在正常范围,需要()。

A.必要的时候,开启空调

B.清洁防尘网,保证风扇的出风量

C.设备清洁

D.经常检查设备的风扇是否正常运行

考点:公路交通运输技能考试公路收费及监控员公路收费及监控员题库
题型:单项选择题

阅读理解。

     My name is Jim. My favorite day is October l8th, because it's my birthday. I am very happy on that day.

I eat eggs for breakfast. Then my friends come to my home and play with me. We sing and dance. Someone

plays the piano and someone plays the guitar. Lunch is very nice. After lunch, my parents take me to see a

movie. My favorite movies are comedies and action movies. After supper, my parents, my sister and I watch

TV. Then I go to bed at ten thirty. I don't do my homework on that day. I am very tired but happy on my

birthday.

1. Jim's birthday is _____. [ ]

A. October 8

B. October 18

C. December 8th

D. December 18th

2. Jim's favorite movies are _____. [ ]

A. comedies

B. action movies

C. thrillers

D. A and B

3. Jim goes to bed at _____.[ ]

A. 10:30

B. 10:13

C. 10:00

D. 3:10

4. Does Jim do his homework on his birthday? [ ]

A. Yes, he does.

B. No, he doesn't.

C. No, he isn't.

D. I don't know.

5. How is Jim on his birthday? [ ]

A. Tired.

B. Happy but not tired.

C. Tired but happy.

D. Happy.

题型:单项选择题

当食管静脉曲张破裂出血时,最有效的止血方法是()。

A.口服去甲肾上腺素稀释液

B..应用垂体后叶素静脉滴注

C.应用各种止血剂

D.输新鲜血

E.用三腔二囊管压迫止血

题型:单项选择题

早期即可发生淋巴转移的最常见肺癌是()

A.鳞癌

B.腺癌

C.鳞腺癌

D.小细胞癌

E.大细胞癌

题型:单项选择题

正常状态下使用完毕的脱氢催化剂是()的。

A.灰褐色

B.黑色

C.黄褐色

D.红色

题型:单项选择题

Linux中,下列______命令可以更改一个文件的权限设置。

A.attrib
B.file
C.chmod
D.change

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