第二节完形填空（共2小题；每小题1.5分，满分30分）
阅读下面短文，从短文后各题所给的四个选项（A、B、C、D）中，选出可以填入空白处的最佳选项。
Mobile phones are everywhere. It seems that no one can    21    without one. Mobile phones are a great way to stay    22   with friends and family.    23   it is important to remember that there are certain    24    when you should not be using your phone, the most important of these being during     25   .  
There is no reason    26    you should feel the need to have your mobile phone during class. Aren’t you at school to    27  .If you are in class, you should not be    28    your friends text messages or taking phone calls.
In America students would never be    29  to use their mobile phones during class. If you were to send or    30   a text message you would probably be kicked out of class. It is OK to have your mobile phone with you, you just need to remember to turn it    31  . It is very disturbing to hear a lot of tones and  32  during class.
As a teacher in China, I have to deal with students    33  mobile phones everyday. I have told my class to turn off their phones,   34  many students do not listen. The desire to be connected all the time seems to be   35  than the desire to learn.
It’s easy to understand why it is so tempting(诱惑人的)to have your phone on during class. It seems so    36  to just send a short text message; it’s not    37  anyone, is it? But you may actually be hurting yourself when you do this. Sending a text message also    38  your attention away from what’s   39  in class, you may miss    40  important. The next time you think about sending a message in class you should think again.
21. A. survive       B. act              C. study              D. peak
22. A. friendly      B. close             C. connected          D. natural
23. A. Instead       B. However         C. Sometimes         D. Finally
24. A. times         B. days             C. hours            D. weeks
25. A. shopping      B. meeting          C. rest               D. school
26. A. when          B. that            C. why               D. where
27. A. play          B. learn             C. help              D. fight
28. A. sending       B. writing           C. posting            D. retaining
29. A. hoped        B. wished            C. allowed            D. encouraged
30. A. keep         B. help              C. take               D. receive
31. A. on           B. in                C. out              D. off
32. A. ringing       B. sound             C. voice             D. shouts
33. A. thinking      B. using             C. considering         D. bringing
34. A. and          B. so                C. but               D. then
35. A. faster        B. stronger           C. lower              D. easier
36. A. cheap        B. hard              C. easy               D. brave
37. A. hurting       B. meeting           C. knowing            D. killing
38. A. pays         B. puts              C. breaks             D. takes
39. A. coming on    B. going through      C. going on             D. coming by
40. A. everything    B. something         C. anything            D. nothing