题目内容
14．--______ we clean the classroom at once？--No，you _____．You____ clean it after school．（ ）
| A． | Must，needn't，may | B． | Must，mustn't，can | ||
| C． | Shall，can't，must | D． | Need，mustn't，may |
分析 我们必须立刻打扫教室吗？不，你们不必．你们可以放学后打扫它．
解答 答案：A．must是情态动词，意思是：必须．以must开头的一般疑问句的否定回答用needn't/don't have to．can意思是：可以．may意思是：可以．都可以填在第三个空里．根据前面解答我们可以排除B，C，D选项．应选：A
点评 以must开头的一般疑问句的肯定回答用must，否定回答用needn't/don't have to．这个同学们一定要牢记，不然会弄错的．
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6．如今，孩子们通过在网上搜寻信息、通过QQ与微信（ WeChat ）等社交网络来完成作业的现象比较普遍，为此你们学校学生就"利用互联网做作业是利大于弊还是弊大于利？"展开了讨论．请你根据讨论内容，用英语写一篇短文，并谈谈你的看法．
注意：1．不能出现真实的校名和姓名．
2．文中应包含所有要点，并适当增加细节，使行文连贯．
3．词数80-100，短文首句仅供选择使用，不计入总词数
参考词汇：have good self-control，think about it independently
短文首句：
Nowadays，many students do homework with the help of the Internet，they search information online，or discuss through social networks like QQ or WeChat．
．
注意：1．不能出现真实的校名和姓名．
2．文中应包含所有要点，并适当增加细节，使行文连贯．
3．词数80-100，短文首句仅供选择使用，不计入总词数
| Some students | Some students | Your opinion |
| ●convenient ●don't have to get a tutor ●improve students'skills … | ●copy the answers online without thinking ●become lazy ●chat on line for long … | … |
短文首句：
Nowadays，many students do homework with the help of the Internet，they search information online，or discuss through social networks like QQ or WeChat．
．