Question

14．
You and your friends will have lots of fun with Rabbit Ears Walkie-Talkies．You can talk to someone who is in another room at your house or someone who is up to 180 feet away from you．You can take your walkie-talkie with you when you go camping or walking．
  Rabbit Ears Walkie-Talkies are easy to use．This is what you do：
  1．Push the ON button．
  2．Hold the TALK button in and say something．If your friend has his/her walkie-talkie on，he/she will hear you．
  If you want to talk for a long time，you can lock the TALK button．Just push the button in and up．When you finish talking，push the TALK button down．
  3．When you finish talking，let go of the TALK button and listen．When your friend pushes the TALK button and says something，you will hear what your friend says through your walkie-talkie．
  4．When you finish talking with your friend，push the ON b utton again to turn your walkie-talkie off．

REMEMBER ◆If you can not hear，push L （loud） to make it louder． ◆If it is too loud，push S （soft） to make it quieter．

21．What are Rabbit Ears Walkie-Talkies used for？A
A．Talking with others．
B．Listening to music．
C．Giving directions．
D．Locating places．
22．How can you lock the TALK button？C
A．Keep the button on．
B．Hold the button back．
C．Push the button in and up．
D．Turn the button off and down．
23．Which button will you push when you can't hear clearly？B
A．S       
B．L       
C．TALK      
D．ON
24．The author writes this passage toB．
A．tell how to make Rabbit Ears Walkie-Talkies
B．show how to use Rabbit Ears Walkie-Talkies
C．explain to the readers his camping experience
D．introduce some special ways to make friends．

Answer 1

分析 本文是一篇说明文，介绍了Rabbit Ears Walkie-Talkies这种对讲机的具体使用方法．

解答 21．A 细节题．根据You can talk to someone who is in another room at your house or someone who is up to 180 feet away from you．You can take your walkie-talkie with you when you go camping or walking．可知这种机器的主要作用就是 和别人进行远距离的交谈．故A正确．
22．C 细节题．根据If you want to talk for a long time，you can lock the TALK button．Just push the button in and up．可知把按钮推进去再向上，就可以了．故C正确．
23．B 细节题．根据◆If you cannot hear，push L （loud） to make it louder．可知当我们听不清楚的时候，就按住L键．故B正确．
24．B 主旨大意题．本文是一篇说明文，介绍了Rabbit Ears Walkie-Talkies这种对讲机的具体使用方法．故B正确．

点评 本文是一个广告布告类阅读理解，题目涉及多道细节理解题，做题时结合原文和题目有针对性的找出相关语句进行仔细分析，结合选项选出正确答案．推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案，切忌胡乱猜测，一定要做到有理有据