WhatisTrackR？TrackRisthesimplestwaytofindlostormisplaceditems．Jointhemillionsofpeoplewhoareconnectedtotheirmostimportantitems．OrderaTrackRtodayandneverloseanythingagain．1．DistanceindicatorHotter？Colder？A

Question

What is TrackR？
TrackR is the simplest way to find lost or misplaced items．Join the millions of people who are connected to their most important items．
Order a TrackR today and never lose anything again．
1．
Distance indicator
Hotter？Colder？As you search for your item，the TrackR app will show if you're getting closer to the annoying remote-controller．
2．Item ringer
Just tap the item ringer to make TrackR ring your missing item．No more keys lost underneath a pile of mail．
3．
Phone finder
Can't find your phone？We make finding your phone a snap．Just press the button on your TrackR device to ring your phone-even on silent．
4．
Crowd GPS Network
Lost something？TrackR's crowd-sourced network will help you find it．When another TrackR user is within Bluetooth range of your lost item，you will receive a location

5．Separation Alarms
Don′t forget your ogone!Custom separation alarms remind you when you′re about to leave your item behind．

6．Wallet-thin design
TrackR′s smooth anodized aluminum（电镀铝） construction makes it slim and durable．

21．What do you think is the passage？___
A．Descriptions of several products．B．An advertisement of a product．
C．An introduction to lost items．D．Directions of a new item．
22．How many functions does a TrackR have？___
A．Three．B．Four．C．Five．D．Six．
23．Which of the following can replace the underlined"a snap"in the passage？___
A．An easy job．B．A necessary task．
C．An available method D．A quiet action．

Answer 1

21．B．细节理解题．由第二段Order a TrackR today and never lose anything again，现在就预订一个TrackR，你讲不会再丢东西，可知这是TrackR的广告，故选B．
22．C．理解判断题．由文章可知，1到5点讲的都是产品的功能，距离检测，铃声提醒，手机寻找，网络GPS和距离报警，一共5项，故选C．
23．A．理解推断题．由后面一句Just press the button on your TrackR device to ring your phone-even on silent可知，只需要按下一个按键，你的手机就会响，即找手机变得简单，故选A．