辐散和辐聚

题型:名词解释

问题:

辐散和辐聚

考点:水利工程河流与海岸动力学河流与海岸动力学题库
题型:名词解释

阅读理解 。

     Years ago  I worked at a  factory  in a small county. Every day I got up very early and often did

much extra work at night.  I was so  tired and exhausted. My whole life was hopeless. Then one day I

read the following article from a magazine:

     "A woman went  to  live with her husband  in camp on the Mojave Desert (沙漠) during  the war.

She simply hated the place: the heat was almost un-bearable, 125 degrees  in  the shade,  the wind blew

incessantly, and there was sand-sand everywhere. Finally, in desperation (不顾一切地) she wrote her

parents in Ohio that she couldn't stand it another minute and was coming home.

     Quickly came the reply by airmail from her father——just two lines:

     "Two men  looked out  from prison bars. One saw the mud, the other saw stars."

     The daughter did some real thinking, not only with the intellect (思维) but also with her heart. She

decided to stick to her post.

     She made friends with the natives,  learned  to love  the country, and eventually wrote a book about

it.

     The desert hadn't changed, but her attitude had. Because she  listened with her heart  to  the words

her  father sent, a whole new world opened up to her."

     A change of attitude could change everything.

     After  reading  the article,  I was deep  in thought (陷入沉思)…

1.  The  underlined word  "unbearable" means ____________ in Chinese.

A. 难以想象的

B. 难以克服的

C. 难以忍受的

D. 难以适应的

2. After she  received her  father's  reply,  the woman__________.

A. went back home              

B. was coming home

C. decided to stay there        

D. decided to go back home with her husband

3. From her father's reply, we can infer (推断) that ____________.

A. two men looked out from prison bars

B. one man was in prison, the other was out of prison

C. two men were out of prison

D. her parents wanted her  to stay  there with her husband

4. Which of the followingis wrong according to the passage?

A. A woman went to live with her husband in a big city.

B. The woman finally made friends with the natives.

C. She wrote her parents that she was coming.

D. The woman received her parents' reply by airmail.

5. The main idea of this passage is that __________.

A. a woman went to live with her husband in camp

B. the desert hadn't changed, but her attitude had

C. the daughter's parents wanted her to stay with her husband

D. a change of attitude could change everything

题型:名词解释

lg20+lg5=______.

题型:名词解释

《煤矿安全规程》规定采掘工作面回风流中CH4的浓度不得超过()%。

A、0.75

B、1.5

C、0.5

D、1.0

题型:名词解释

误码率是指二进制码元在数据传输系统中被传错的______。

题型:名词解释

()的目标是如何将现有资源(物、人、设备)作最佳分配。

A.效率

B.效益

C.成果

D.绩效

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