3G业务高数据速率,广域网至少()bps A.384K B.96K C.16

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问题:

3G业务高数据速率,广域网至少()bps

A.384K

B.96K

C.16K

D.2048K

考点:通信工程师TDSCDMATD
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( )商业场所多由露天广场、走廊通道并配以低层建筑群构成,包括大型停车场、小件批发市场、电子工业品供应市场等。

A.敞开型
B.封闭型
C.敞开型及封闭型 D.超市型

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挂钟分针的长10cm,经过45分钟,分针的针尖转过的弧长是         .(结果保留π)

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信息和一般的新闻、消息的区别是().

A.有高度

B.有参考价值

C.内容多

D.保密度高

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Generally speaking, a British is widely regarded as a quiet, shy and conservative person who is (1) only among those with whom he is acquainted. When a stranger is at present, he often seems nervous, (2) embarrassed. You have to take a commuter train any morning or evening to (3) the truth of this. Serious-looking businessmen and women sit reading their newspapers or dozing in a corner; hardly anybody talks, since to do so would be considered quite offensive. (4) , there is an unwritten but clearly understood code of behavior which, (5) broken, makes the offender immediately the object of (6) .

It has been known as a fact that a British has a (7) for the discussion of their weather and that, if given a chance, he will talk about it (8) . Some people argue that it is because the British weather seldom (9) forecast and hence becomes a source of interest and (10) to everyone. This may be so. (11) a British cannot have much (12) in the weathermen, who, after promising fine, sunny weather for the following day, are often proved wrong (13) a cloud over the Atlantic brings rainy weather to all districts! The man in the street seems to be as accurate — or as inaccurate — as the weathermen in his (14) .

Foreigners may be surprised at the number of references (15) weather that the British make to each other in the course of a single day. Very often conversational greetings are (16) by comments on the weather. "Nice day, isn’t it" "Beautiful!" may well be heard instead of "Good morning, how are you" (17) the foreigner may consider this exaggerated and comic, it is worthwhile pointing out that it could be used to his advantage. (18) he wants to start a conversation with a British but is (19) to know where to begin, he could do well to mention the state of the weather. It is a safe subject which will (20) an answer from even the most reserved of the British.

8()

A. at length

B. to a great extent

C. from his heart

D. by all means

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中国南方电网有限责任公司企业标准,《电能计量装置现场检验作业指导书》其中要求:可能存在的不合理的计量方式是()

A.电流互感器的变比过大

B.电能表接在电压、电流互感器非计量二次绕组上

C.电压与电流互感器分别接在电力变压器不同侧的

D.电压相序反

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