Big schoolbags have been a serious problem for students for a long time. Maybe your school

Big schoolbags have been a serious problem for students for a long time. Maybe your schoolbag is too to carry, and it troubles you a lot you want to find a book out to read. Now an e-­textbook will you.
It is said that e-textbooks are going to be in Chinese middle schools. An e­-textbook, in fact, is a small for students. It is much than a usual schoolbag and easy to carry. Though it is as small as a book, it can all the materials (材料) for study. The students can read the text page by page on the , take notes with the pointer (屏写笔). Or even “ ” their homework to their teachers by sending e­mails. All they have to do is to press a button.
Some people say e-­textbooks are good, but some say they may be for the students' eyes. What do you think of it?
【小题1】A. light B. heavy C. useful
【小题2】A. till B. after C. when
【小题3】A. trouble B. prevent C. help
【小题4】A. used B. kept C. invented
【小题5】A. computer B. radio C. pen
【小题6】A. heavier B. lighter C. cheaper
【小题7】A. hold B. build C. discover
【小题8】A. blackboard B. desk C. screen
【小题9】A. find out B. hand in C. get back
【小题10】A. helpful B. famous C. bad B

(答案→)B 解析：本文提到，现在的学生的书包太大而且还重，对于携带或找书阅读是很困难的，为了解决这个难题，现在可以运用电子课本，将所有的学习内容都装入其中，并且电子课本和正常的书一样大小。学生还能利用网络进行上交作业。最后提到优秀点和不足点。【小题1】考查形容词及语境的理解。A. light轻的；B. heavy重的；C. useful有用的。分析句意：大书包长时间使用，对学生是一个严重的问题。可能你的书包太重而不能拿的动。考查：too……to 太……而不能.故选B【小题2】考查连词及语境的理解。A. till直到；B. after 之后；C. when当……时候。分析句意：当你想找一本书阅读时，它会有很大的麻烦。分析，两句之间的关系是当……时候。故选C【小题3】考查动词及语境的理解。A. trouble麻烦；B. prevent 防止；C. help帮助。联系上文，由于书包大而重，携带不方便，现在电子课本能帮助你。根据句意为帮助之意。故选C【小题4】考查动词及语境的理解。A. used用；B. kept 保持；C. invented发明。分析句意：据说在中国的中学，电子课本将要会被使用。考查被动语态的用法。故选A【小题5】考查名词及语境的理解。A. computer电脑；B. radio录音机；C. pen钢笔。分析句意：事实上，一部电子课本就是一台小型电脑。联系事实，电子课本就是小型电脑。故选A【小题6】考查形容词及语境的理解。A. heavier更重的；B. lighter更轻的；C. cheaper更便宜的。分析句意：它是更轻的比平常的书包，并且容易携带。前文提到日常的书包重，那么有了这样的电子课本一定是更轻了。故选B【小题7】考查动词及语境的理解。Ahold携带；B. build 建筑；C. discover发现。分析句意：虽然它是和一本书一样大小，但是它能装着你学习的全部材料。结合选项之意，携带符合题意。故选A【小题8】考查名词及语境的理解。A. blackboard 黑板；B. desk 桌子；C. screen屏幕。分析句意：学生运用屏写笔，可以在屏幕上进行阅读和记笔记。结合实际情况，体现为屏幕。故选C【小题9】考查动词及语境的理解。A. find out发现；B. hand in 上交；C. get back返回。分析句意：学生可以通过网络上交他们的作业。分析：考查固定短语hand in 上交。故选B【小题10】考查形容词及语境的理解。A. helpful 有帮助的；B. famous著名的；C. bad坏的。分析句意：一些人说电子课本是好的，但是有些人说他们可能是不好的对于学生的眼睛。联系实际，电子类产品对人的眼睛不好。故选C

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