Question

15．Mr Guo is a teacher from Xi'an．He asked his students to hand in their homework through a QR code （二維碼）．"We spent an hour or two in class learning how to generate （使產(chǎn)生） the codes，and in the end everything gets easier，"said Guo．"When students finish the homework，they keep it on WeChat （微信）．Then，each student makes his own QR code and gives it to me．So I can check their work everywhere using my computer or telephone．"
     The QR codes can be sent to Mr Guo by email，QQ and WeChat．When Guo scans （掃描） his
students'QR codes，their homework appears on his phone．He finds that their homework becomes more
creative （創(chuàng)新的），with many pictures，music and even videos．
      Guo's students like the new way and think it is interesting．"We are living in the information age．Many students like to work with computers，which makes learning more fun．"said Tingting，a student of Guo's．
"The paper is not easy to keep，but the code is easy to keep and share．"Guo said．"It is worth trying to use new technology in education．Education itself is a kind of creation．I don't want my students to fall behind the times．"
      However，some parents are worried．They are afraid that their children will spend too much time on computers and less time communicating with teachers．But in fact，it's unnecessary．Students still need to look up information in books and write it down when they do their homework．They only use the code when they hand in their work，which doesn't take them too much time．Also for teachers，it allows them to check the students'work at any time．And it's also an easy way to share homework with other students．
46．According to the passage，students can keep their homework onA．
A．WeChat
B．QQ
C．email
D．blog（博客）
47．Guo's students think the new way isC．
A．strange
B．boring
C．interesting
D．unnecessary
48．What does"it"in Paragraph 4 refer to （指代）？C
A．The paper is not easy to keep．
B．Keeping and sharing the code easily．
C．Trying to use new technology in education．
D．Education itself is a kind of creation．
49．Some parents are worried，because they think their children willB．
A．talk with teachers face to face
B．spend too much time on computers or phones
C．not like the new way of handing in homework
D．find the QR codes too difficult to use
50．What's the main idea of the passage？C
A．Teachers neednt check homework any more．
B．Students needn't hand in homework any more．
C．Using QR codes makes checking homework easier．
D．Some parents are worried about their children．

Answer 1

分析 西安的郭老師讓自己的學(xué)生通過二維碼上交作業(yè)，他們保存在微信，老師掃描二維碼然后檢查，學(xué)生們很歡喜，認為很有趣，家長們擔(dān)心孩子會花太多時間在電腦上，其實是不必要的擔(dān)心．

解答 ACCBC
46．A．細節(jié)題，結(jié)合When students finish the homework，they keep it on WeChat 可知是可以保存在微信里，故選A．
47．C．細節(jié)題．根據(jù)Guo's students like the new way and think it is interesting可知學(xué)生們認為很有趣，故選C．
48．C．推理題．根據(jù)It is worth trying to use new technology in education其中it是形式主語，后文的動名詞才是真正主語，故答案是C．
49．B．細節(jié)題．根據(jù)They are afraid that their children will spend too much time on computers and less time communicating with teachers可知是擔(dān)心孩子會花很多時間在電腦上，故選B．
50．C．主旨題，根據(jù) everything gets easier和And it's also an easy way to share homework with other students可知本文是說使用二維碼讓檢查作業(yè)很簡單，故選C．

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