Question

8．Have you ever lost your car on a parking lot？You don't have a clue where your car is after shopping．Then you start walking around clicking on your car keys so the alarm goes off．It can be annoying，especially on a hot sunny day．
No，you needn't install（安装） an expensive GPS system to keep track of your car．That's too expensive．You would need to pay a monthly fee to use it．
But is there a way to track your vehicle without spending a fortune？Yes，now there is!A California-based company has created a tiny device that works with your smartphone，which could be exactly what you're looking for!
?  What is it？
It's called TrackR．It is a state-of-the-art tracking device the size of a coin．It's changing the way we keep track of the important things in our lives．
?  How does it work？
It's easy!Install the free TrackR app on your smartphone，connect the app to your device and you're ready to go!Simply attach TrackR to whatever you want to keep an eye on．The entire process of setting it up only takes 5 minutes or less．
You can attach it to your keys，briefcase，wallet，your latest tech gadgets and anything else you don't want to lose．Then use the TrackR app to locate your missing item in seconds．
If you forget where you have parked your car，pull out your smartphone and open the TrackR app．Tap on the"find device"button on the screen and the app will tell you the exact spot of the last known location of the TrackR．
?  What else can I do with TrackR？
The device is small and unnoticeable enough that you can attach it to your pet．Put it on their collar，and the issue of searching for them when they run away to nearby places will be over!You'll never waste a minute searching the whol e house for it．
TrackR even comes with a double-sided glue so you can stick it to your laptop or under your bike seat．Track down and punish the thieves who steal your expensive things!
?  How much does it cost？
You're probably thinking that this device is very expensive．False!TrackR only costs $29!That's a small price to pay for peace of mind，isn't it？
?  Where can I buy one？
You can buy it directly from the company's website by clicking here https：∥buy．thetrackr．co/gu/special-offers/15/．

29．From the passage，we learn that TrackR canB．
A．take good care of your pets at home
B．help you locate your important things
C．work better after you pay monthly fee
D．track your wallet through GPS system
30．This passage is mainly developed byC．
A．providing statistics                          
B．giving examples
C．answering questions                              
D．making comparisons
31．Where is this passage most likely taken from？A
A．A website．
B．A journal．
C．A personal blog．
D．A research report．

Answer 1

分析 本文属于说明文阅读，作者通过这篇文章主要向我们描述了一种新型的价廉物美的仪器TrackR，能帮助你定位你的重要的东西．

解答 29．B．细节理解题．根据文章It's called TrackR．It is a state-of-the-art tracking device the size of a coin．It's changing the way we keep track of the important things in our lives可知TrackR能帮助你定位你的重要的东西；故选B．
30．C．细节理解题．根据文章But is there a way to track your vehicle without spending a fortune？可知这篇文章主要是由提出疑问回答疑问的方式描述的；故选B．
31．A．推理判断题．根据最后一段You can buy it directly from the company's website by clicking here https：∥buy．thetrackr．co/gu/special-offers/15/可知文章最有可能来自于网站；故选A．

点评 考察学生的细节理解和推理判断能力，做细节理解题时一定要找到文章中的原句，和题干进行比较，再做出正确的选择．在做推理判断题不要以个人的主观想象代替文章的事实，要根据文章事实进行合乎逻辑的推理判断．