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【简答题】
Reading comprehension. Personal computers and the Internet give people new choices about how to spend their time. Some may use this freedom to share less time with certain friends or family members, but new technology will also let them stay in closer touch with those they care most about. I know this from personal experience. E-mail makes it easy to work at home, which is where I now spend most weekends and evenings. My working hours aren't necessarily much shorter than they once were but I spend fewer of them at the office. This lets me share more time with my young daughter than I might have if she'd been born before electronic mail became such a practical tool. The Internet also makes it easy to share thoughts with a group of friends. Say you do something fun-see a great movie perhaps-and there are four or five friends who might want to hear about it. If you call each one, you may tire of telling the story. With E-mail, you just write one note about your experience, at your convenience, and address it to all the friends you think might be interested. They can read your message when they have time, and read only as much as they want to. They can reply at their convenience, and you can read what they have to say at your convenience. E-mail is also an inexpensive way to stay in close touch with people who live far away. More than a few parents use E-mail to keep in touch, even daily touch, with their children off at college. We just have to keep in mind that computers and the Internet offer another way of staying in touch. They don't take the place of any of the old ways. 1. The purpose of this passage is to _____. [     ] A. explain how to use the Internet B. describe the writer's joy of keeping up with the latest technology C. tell the merits (价值) and usefulness of the Internet D. introduce the reader to basic knowledge about personal computers and the Internet 2. The use of E-mail has made it possible for the writer to _____. [     ] A. spend less time working B. have more free time with his child C. work at home on weekends D. work at a speed comfortable to him 3. According to the writer, E-mail has an obvious advantage over the telephone because E-mail helps one _____. [     ] A. reach a group of people at one time conveniently B. keep one's communication as personal as possible C. pass on much more information than the telephone D. get in touch with one's friends faster than the telephone 4. The best title for this passage is _____. [     ] A. Computer: New Technological Advances B. Internet: New Tool to Maintain Good Friendship C. Computers Have Made Life Easier D. Internet: a Convenient Tool for Communication √
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【单选题】表明毛泽东思想已经形成比较完整的理论体系的著作有( ) 1《论持久战》 2《新民主主义论》 3《论联合政府》 4《中国社会各阶级分析》
A.
①②③④
B.
①②③
C.
②③④
D.
①③④
【单选题】以太网原理方面的描述,错误的是()。
A.
Ethernet_II型帧结构中,使用2个字节来标识净荷类型,如果业务数据是IP报文,则该值为0x0800;
B.
全双工工作模式下,不再检测碰撞与冲突;
C.
包间隙的长度是可变的,以太网的净荷速率就是靠改变包间隙来调节的;
D.
100M端口满流量发送数据时,其128字节最高帧转发速率为100M/8/(128+12)。
【简答题】以太网V2的数据字段就是LLC子层交下来的LLC帧,其长度是可变的,但最长为()字节。
【单选题】清政府在制订收路政策时,对广东、湖南、湖北三省比较照顾,所有股款都有归还办法,对四川则仅提出()。
A.
归还全部路款
B.
归还部分路款
C.
全不归还路款
D.
以其他项目代替
【单选题】According to the talk, what are core courses?
A.
They are the important courses students must take.
B.
They are the basic courses students need to take.
C.
They are elective courses students do not have to take for graduation.
D.
They are required courses students have to take so as to graduate.
【简答题】在预热干燥阶段,蒸发速度随表面温度升高而( )。
【判断题】以太网V2的数据字段就是LLC子层交下来的LLC帧,其长度是可变的,但最短为53字节,最长为1500字节。
A.
正确
B.
错误
【单选题】以太网帧的长度是可变的,其长度为()字节
A.
20-800
B.
50-1000
C.
64-1518
D.
100-2000
【多选题】1945年4月23日至6月11日,中共“七大”在延安城西北郊的杨家岭村沟口中央大礼堂举行,主席台前的石拱上写着“在毛泽东的旗帜下胜利前进”大幅标语。这说明( )
A.
毛泽东思想已经形成了比较完整的理论体系
B.
毛泽东思想被确立为党的指导思想
C.
中共开始了由新民主主义革命向社会主义革命的过渡
D.
以毛泽东为代表的中国共产党人对中国革命实践经验进行了科学地概括与总结
【单选题】What courses require previous qualifications?
A.
The academic courses.
B.
The vocational courses.
C.
A level or diploma courses.
D.
The majority of courses.
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