题目内容

阅读以下说明，回答问题1-5，将答案填入答题纸对应的解答栏内。 [说明] 某单位在部署计算机网络时采用了一款硬件防火墙，该防火墙带有三个以太网络接口，其网络拓扑如下图所示。防火墙包过滤规则的默认策略为拒绝，下表中给出了防火墙的包过滤规则。若要求内部所有主机能使用IE浏览器访问外部IP地址202.117.118.23的Web服务器，为表中(1)～(4)空缺处选择正确答案，填写在答题纸的相应位置。序号策略源地址源端口目的地址目的端口协议方向 1(1) (2) Any202.117.118.23 80 (3) (4)

A.
TCP

B.
UDP

C.
ICMP

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听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给出的三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有5秒钟的时间阅读各个小题；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 Why did Egyptians build Aswan High Dam

A. In order to sail upstream.
B. In order to control the flood.
C. In order to attract visitors.

Unlike most sports, which evolved over time from street games, basketball was designed by one man to suit a particular purpose. The man was Dr. James Naismith, and his purpose was to invent a vigorous game that could be played indoors in the winter. In 1892, Naismith was an instructor at a training school, which trained physical education instructors for the YMCAs. That year the school was trying (1)up with a physical activity that the men could enjoy (2) the football and base ball seasons. None of the standard indoor activities (3)their interest for long. Naismith was asked to solve the problem by the school. He first tried to (4)some of the popular outdoor sports, but they were all too rough. The men were getting bruised from tackling each other and (5)hit with equipment. So, Naismith decided to invent a game that would incorporate the most common elements of outdoor team sports without having the real physical contact. Most popular sports used a ball. So he chose a soccer ball because it was soft and large enough that it (6)no equipment, such as a bat or a racket to hit it. Next he decided (7) an elevated goal, so that scoring would depend on skill and accuracy rather than on (8) only. His goals were two peach baskets, (9)to ten-foot-high balconies at each end of the gym. The basic (10)of the game was to throw the ball into the basket. Naismith wrote rules for the game, (11)of which, though with some small changes , are still (12)effect. Basketball was an immediate success. The students (13)it to their friends, and the new sport quickly (14)on. Today, basketball is one of the most popular games (15)__the world.

A. between
B. during
C. when
D. for

Galileo’s greatest glory was that in 1609 he was the first person to turn the newly invented telescope on the heavens to prove that the planets revolve around the sun rather than around the earth.

Science moves forward ,they say, not so much through the insights of great men of genius as because of more ordinary things like improved techniques and tool.