根据《SDH长途光缆传输系统工程验收规范》,下列表述不正确的是().A.列铁架应成一

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问题:

根据《SDH长途光缆传输系统工程验收规范》,下列表述不正确的是().

A.列铁架应成一直线,偏差不应大于30mm.

B.机架的安装应端正牢固,垂直偏差不应大于机架高度的1‰.

C.列内机架应相互靠拢,机架间隙不得大于3mm,列内机面平齐,无明显参差不齐现象.

D.铁件的漆面应完整无缺,如有缺损,由于无相同颜色的油漆可以不做处理.

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动词填空  。

1. In the United States, lunch _____ (offer) to students for free at school.  

2. He said that Simon was the closest friend that he _____ ever _____ (know).

3. —Sorry for being late again.

    — _____ (get) here on time next time, or your teacher will be angry with you.

4. The computer can work again! _____ it _____ (repair) by you just now?

5. We should make our hometown a more natural environment _____ (attract) more people to come.

6. The girl devoted all her time she had to _____ (help) others.

7. Should the bottle _____ (shake) before I take the medicine?

8. There _____ (be) little water for us people to drink in the near future, will there?

9. —I called you at 4:30 yesterday, but there was no answer.

    —Oh, sorry. We _____ (introduce) the guests to the audience.

10. —Can you speak foreign languages?

      —When I was at college I could speak three, but I _____ (forget) all except a few words of each.

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环境试验的方法有()。

A、高低温试验

B、防腐试验

C、温度冲击试验

D、合格试验

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目前在使用WAP Over GPRS时,GGSN通过何种协议与WAP Gateway端建立隧道连接()。

A.GRE

B.L2TP

C.GTP

D.GTP

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长期刚度

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孔子认为()是造成自己生活的时代不符合前代先王所提出的标准的原因。

A、礼崩乐坏

B、道德沦丧

C、积弱积贫

D、战事连连

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