Passage One
Electronic books could revolutionize reading, but people ought to consider their far-reaching impacts as well. "The e-book promises to wreak a slow havoc (浩劫) on life as we know it," Jason Ohler, professor of technology assessment (评估), university of Alaska Southeast In Juneau, warned the World Future Society, Bethesda, Md. His assessment weighed the pros and cons (赞成和反对的理由) of e-book technology’s impact on social relationships, the environment, the economy, etc. Before you curl up (蜷曲) with an e-book, consider the disadvantages.
They increase eyestrain due to poor screen resolution, replace a relatively cheap commodity with a more expensive one, and displace workers in print book production and traditional publishing. E-books make it easy to share data, thereby threatening copyright agreements and reducing compensation of authors, as well as creating nonbiodegradable (不可生物降解的) trash.
On the other hand, e-books save paper
A. They are unable to be broken down into harmless products.
B. They consume a lot of natural resources.
C. They produce harmful gases.
D. They are capable of being reused.
| {{B}}Questions 52 to 56 are based on the following
passage.{{/B}} I’ve always been an optimist and I suppose that is rooted in my belief that the power of creativity and intelligence can make the world a better place. For as long as I can remember, I’ve loved learning new things and solving problems. So when I sat down at a computer for tile first time in seventh grade, I was hooked. It was a clunky old teletype machine and it could barely do anything compared to the computers we have today. But it changed my life. Computers have transformed how we learn, giving kids everywhere a window into all of the world’s knowledge. They’re helping us build communities around the things we care about and to stay close to the people who are important to us, no matter where they are. Like my friend Warren A. A．Much effort has to be made to change their life. B．He takes it his responsibility to change their life. C．Their sufferings deserve more worldwide concern. D．Their sufferings are resulted from shortage of fund. [单选题]井圈井盖采用高分子材料，车行道要求荷载应达到（ ）（KN/M2），人行道要求荷载应达到（ ）（KN/M2）。
A.36，15 B.3.6，1.5 C.45，18 D.4.5，1.8 [单选题]调试列车时，需确认（）上有关注意事项的说明。
A.《调车作业单》 B.司机报单 C.事故事件单 D.调度命令 E.—— F.—— [单选题]燃点低于()℃的固体称为易燃固体。
A.300 B.500 C.600 D. 700 [单选题]处置危险化学品事故时，在重度危险区的人员必须着几级防化服？
A.特级 B.一级 C.二级 D.简易 [判断题]间隔减速器制动时，车辆入口速度应不大于7ｍ／ｓ
A.正确 B.错误 [判断题]期货品种与现货商品或资产之间的相互替代越强，交叉套期保值交易效果就会越好。（ ）
A.正确 B.错误 [单选题] 根据油箱的液面与大气是否相通,可分为开式油箱和( )油箱(易)
A.摆动式 B.单向式 C.双向式 D.闭式 [单选题]重要铸件、锻件的毛坯划线时所用涂料为〔 〕。
A.石灰水 B.锌钡白 C.品紫 D.无水涂料 我来回答: 提交
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