无线接入网采用的协议标准是A．802.3 B．802.5 C．802.9 D．802

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问题单项选择题

无线接入网采用的协议标准是

A．802.3

B．802.5

C．802.9

D．802.11

答案

参考答案：D

解析： IEEE 802委员会为局域网制定了一系列标准，统称IEEE802标准。 IEEE 802.11标准，定义了无线局域网技术。

填空题

1.The plan is practical so the m are for it.

2.She was a bright and eager student and,c ,did well in school.

3.She married an American and became a US c .

4.Wealthy and important people lived in hutongs built close to the R Palace.

5.Many new hutongs were hastily built to a the increasing population but these were poorly made.

6.Near the end of the Qing Dynasty,conditions in Beijing's hutongs worsened because of political

(不稳固).

7.Every year thousands of tourists flock to China to wander along the

8.The house was spacious and (壮观的).

9.The program deals with subjects as (各种各样的)as pop music and ancient Greek drama.

10.Passengers were trying to (挤)onto the bus.

判断题

机动车仪表板上（如图所示）亮，提示右侧车门未关闭。