Big schoolbags have been a big problem for students for a long time. Maybe your schoolbag

Big schoolbags have been a big problem for students for a long time. Maybe your schoolbag is too 1 to carry, and it troubles you a lot 2 you want to find out a book to read. Now e-textbooks will 3 you.
It is said that many Chinese middle schools are going to use e-textbooks. An e-textbook, in fact, is a small 4 for students. It is much 5 than a usual schoolbag and easy to carry. Though it is as small as a book, it can 6 everything for study. The students can read the text page by page on the 7 ，take notes 8 the pointer (屏写笔)，or even “hand in” their 9 to their teachers by sending e-mails. All they have to do is to press a button (按开关).
Some people say e-textbooks are good, but some say they may be 10 for the students’ eyes. What do you think of it?
【小题1】A．expensiveB．heavyC．usefulD．comfortable【小题2】A．tillB．afterC．beforeD．when【小题3】A．troubleB．keepC．helpD．understand【小题4】A．TVB．radioC．penD．computer【小题5】A．heavierB．lighterC．cheaperD．brighter【小题6】A．holdB．buildC．findD．practice【小题7】A．blackboardB．keyboardC．screenD．menu【小题8】A．useB．inC．byD．with【小题9】A．computerB．homeworkC．e-textbooksD．plans【小题10】A．badB．dangerousC．goodD．HelpfulB

(答案→)B 解析：【小题1】根据实际情况，可知答案为B，表示太重而不能搬动的意思。【小题2】根据前后句子的关系，可知答案为D，表示当···时候，故选答案为D【小题3】根据上下文内容，可知答案为C，表示能够帮助到对方。【小题4】根据文章内容It is said that many Chinese middle schools are going to use e-textbooks.可知答案为D，表示计算机，与上文的内容。【小题5】根据文章内容and easy to carry，可知答案为B。【小题6】hold 表示容纳的意思，包括的内容很多，故选A【小题7】根据后文的内容take notes 8 the pointer (屏写笔)，可知答案为C，表示屏幕的意思。【小题8】do sth with sth，表示用···做某事，故选答案为D【小题9】根据文章内容or even “hand in” their 9 to their teachers by sending e-mails.，可知答案为B，表示做家庭作业本。【小题10】be bad for 对···有坏处，故选A

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