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.
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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.
阅读以下说明,回答问题1~4,将答案填入答题纸对应的解答栏内。 某公司的域名为xyz.edu.cn,所使用的网络地址为222.78.68.0/24,共有两台服务器,一台IP地址是222.78.68.10,名字是scrver1,它用作域名服务器、电子邮件服务器,另一台IP地址是222.78.68.11,名字是server2,它用作Web服务器。下面是服务器scrver1中的三个文件。 [/etc/named.conf文件的内容] options{ directory"/var/named"; }; }; zone"."IN{ type (1) ; file"named.ca"; }; zone"0.0.127.in-addr.arpa"IN{ type master; file"named.local"; allow-update{none;}; }; zone"xyz.edu.cn"IN{ type master; file"named.hosts"; allow-update{none;}; }; zone" (2) "IN{ type master; file"named.rev"; allow-update{none;}; }; [/var/named/named.hosts文件的内容] $TTL 86400 @IN SOA serverl.xyz.edu.cn. root.xyz.edu.cn.( 2001110600;serial 28800;refresh 14400;retry 3600000;expire 86400;minimum ) IN NS server1.xyz.edu.cn. IN MX 10 serverl.xyz.edu.cn. localhost. IN A 127.0.0.1 server1 IN A 222.78.68.10 server2 IN A 222.78.68.11 NW IN (3) [/var/named/named.rev文件的内容] $TTL 86400 @ IN SOA server1. xyz.edu.cn. root.xyz.edu.cn. ( 2001110600;serial 28800;refresh 14400;retry 3600000;expire 86400;minimum ) IN NS xyz.edu.cn. 10 IN (4) 11 IN PTR server2.xyz.edu.cn.