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8.A由题意知，W为O,X为F,Y为A1,Z为C1。常温下，H2O、H2O2均为液态，A项正确；F无最高正价，B项错误；最简单氢化物的沸点：H2O>HCI,C项错误；工业上常电解Al2O3制备A1,D项错误。
Laptop computers are popular all over the world. People use them on trains and airplanes, in airports and hotels. These laptops connect people to their workplace. In the United States today, laptops also connect students to their classrooms.
Westlake College in Virginia will start a laptop computer program that allows students to do schoolwork anywhere they want. Within five years, each of the 1500 students at the college will receive a laptop. The laptops are part of a $10 million computer program at Westlake, a 110-year-old college. The students with laptops will also have access to the Internet. In addition, they will be able to use e-mail to “speak” with their teachers, their classmates, and their families. However, the most important part of the laptop program is that students will be able to use computers without going to computer labs. They can work with it at home, in a fast-food restaurant or under the trees，anywhere at all!
Because of the many changes in computer technology, laptop used in higher education, such as colleges and universities, is workable(可行的). As laptops become more powerful, they become more similar to desktop computers. In addition, the portable computers can connect students to not only the Internet, but also libraries and other resources. State higher-education officials are studying how laptops can help students. State officials are also testing laptop programs at other universities, too.
At Westlake College, more than 60 percent of the staff（教职员工）use computers. The laptops will allow all teachers to use computers in their lessons. As one Westlake teacher said, “Here we are in the middle of Virginia and we’re giving students a window on the world. They can see everything and do everything.”
1.The main purpose of the laptop program is to give each student a laptop to _____.
A. use for their schoolwork
B. access the Internet
C. work at home
D. connect them to libraries
2.Why is the word “speak” in the second paragraph in quotation marks(引号)?
A. They don’t really talk.
B. They use the computer language.
C. Laptops have speakers.
D. None of the above reasons is correct.
3.Which of the following is TRUE about Westlake College?
A. All teachers use computers.
B.1500 students have laptops.
C. It is an old college in America.
D. Students there can do everything.
4.“A window on the world” in the last paragraph means that students can ______.
A. attend lectures on information technology
B. travel around the world
C. get information from around the world
D. have free laptops
5.What can we infer from the passage?
A. The program is successful.
B. The program is not workable.
C. The program is too expensive.
D. We don’t know the result yet.
试题答案
1.A
2.A
3.C
4.C
5.D
【解析】
试题分析：本文介绍了随着便携式电脑在全世界的流行，便携式电脑逐步在校园里得到广泛地运用。便携式电脑的功能在逐步强大，它与台式电脑逐步相似，不仅能够让学生上网，而且还能够与图书馆和其他资源连接。而现在便携式电脑大量地运用，学校不仅会实施一项便携式电脑计划，让学生可以随时随地做作业，而且学校超过60%的员工在使用便携式电脑。
1. College in Virginia will start a laptop computer program that allows students to do schoolwork anywhere they want.意思是：在维吉尼亚的Westlake College将开始一项计算机计划，使得学生能够咋任何他想学习的地方做作业。故选A。
2. addition, they will be able to use e-mail to “speak” with their teachers, their classmates, and their families.意思是能够使用邮件与他们的老师，同学和他们的家人“说话”，而这里的说话并不是真的说话，是指通过邮件来交流，因此要加引号。故选A。
3. laptops are part of a $10 million computer program at Westlake, a 110-year-old college.意思是：在Westlake这个有着110年历史的学校，便携式电脑是10亿电脑计划中的一部分。可知这是一个在美国比较老的学校。故选C。
4. we are in the middle of Virginia and we’re giving students a window on the world. They can see everything and do everything.”意思是：这里我们在Virginia的中间阶段，我们正在给予学生通向外界的窗户，他们可以看见一切事物，做所有的事。说明这样的计划能让学生了解到世界上的信息。故选C。
5. officials are also testing laptop programs at other universities, too.意思是：一些政府官员也正在其他的学校实验便携式电脑计划。所以，目前我们并不知道结果。故选D。
考点：考查说明文阅读
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