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问题 选择题
大量科技进步成果应用于军事带来的后果是（   ）

①提高了武器的性能，大大增强了武器的杀伤力 

②战争突破了以往以陆地为主的限制，扩展到海底和空中

③战争突破地域条件的限制，能够在世界范围内有效地指挥战争 

④战争更加残酷，充满更大的危险性

A.①②③④B.①②③C.①②④D.①③④
答案

答案：A

填空题

精彩大回放。（根据课文内容填空）

1．云对_______，雪对_______，晚照对_______。 

2．两岸晓烟杨柳绿，_____________________。

3．____________________________，我们知道风来游戏了。

4．我在池塘里睡觉，在小溪里______________，在______________里奔跑，在______________里跳舞、唱歌。
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单项选择题

(51) is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication.
(52) is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols.
(53) functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands.
(54) is the popular LAN developed under the direction of the IEEE802.5.
(55) is the popular backbone technology for transmitting information at high speed with a high level of fault tolerance which is developed under the direction of ANSI.

A．ISO

B．ANSI

C．CCIT

D．IEEE
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