9．Big messaging apps abroad
While WeChat is China's biggest mobile messaging app （應(yīng)用軟件）  there are many equivalent apps in other countries that offer similar features．
WhatsApp （US）
Users：more than 300million
Platforms：Android，10S，Windows Phone，BlackBerry
Features：Text chat，push-to-talk，file sharing，location sharing
With more than 300million active users，WhatsApp is one of WeChat's biggest competitors．
Developed by two ex-Yahoo，employees in 2009，WhatsApp originally focused on text chat，but on Aug6it also started push-to-talk service．It's noted for its accessibility，ease of use and the absence of adverts．The service is free for the first year，after which﹩0.99 （6.06yuan） is charged for a one-year subscription．
Kakao Talk （South Korea）
Users：more than 100million
Platform：Android，iOS，W．ndo．s Phone．BlackBerry and Bada （an operate system developed by Samsung）
Features：Text chat，group chat，push-to-talk，group calls，file sharing
With more than 100million users in more than 230countries，Kakao Talk is a multi-platform texting application that allows users to send and receive messages for tree．With Kakao Talk，users choose from more than 250animated emoticons and share them with friends．
Line （Japan）
Users：more than 200million
Platforms：Android，iOS，Windows Phone，BlackBerry and PC
Features：Text chat，group chat，push-to-talk，file sharing，location sharing，gaming，stickers．
Line tops the list of the most downloaded free apps in 52countries．Apart from text and voice messaging，Line provides its users with more than 250original stickers and emoticons to buy from its own shop．In the first quarter of 2013alone，it made﹩7million just from stickers．The popular app also allows friends to battle each other in the LINE Game．

21．The first paragraph of the passage is used toC．
A．introduce the most popular mobile messaging apps in China
B．talk about new features in the latest mobile messaging apps
C．draw readers'attention to various popular mobile messaging apps
D．explain how mobile messaging apps have become so popular
22．Compared with the other two apps，which of the following features makes Line stand out？A
A．Group mobile games．
B．Free stickers and emoticons．
C．Free download of the app．
D．Text and group chat．
23．One of the popular features of WhatsApp is that usersC．
A．can send and receive messages for free      
B．can enjov live video chats within groups
C．don't need to worry about unwanted ads     
D．regularly set free stickers and emoticons．

分析 本文屬于說明文閱讀，作者通過這篇文章主要向我們描述了國(guó)內(nèi)外各種移動(dòng)交流應(yīng)用軟件WhatsApp、Kakao Talk、Line的所擁有的各種功能．

解答 21．C．推理判斷題．根據(jù)第一段的內(nèi)容可推知，第一段在文章中起導(dǎo)入作用，以引起讀者對(duì)各種移動(dòng)交流應(yīng)用軟件的關(guān)注，故選C．
22．A．細(xì)節(jié)理解題．根據(jù)文章對(duì)三個(gè)不同移動(dòng)交流應(yīng)用軟件特色的介紹可知，日本的Line有g(shù)aming和stickers這兩個(gè)特別的功能，結(jié)合選項(xiàng)可知，故選A．
23．C．細(xì)節(jié)理解題．根據(jù)WhatsApp （US）部分的"It's noted for its accessibility，ease of use and the absence （沒有） of adverts．"可知，WhatsApp的一個(gè)受人歡迎的特點(diǎn)就是沒有廣告，故選C．

點(diǎn)評(píng) 考察學(xué)生的細(xì)節(jié)理解和推理判斷能力，做細(xì)節(jié)理解題時(shí)一定要找到文章中的原句，和題干進(jìn)行比較，再做出正確的選擇．在做推理判斷題不要以個(gè)人的主觀想象代替文章的事實(shí)，要根據(jù)文章事實(shí)進(jìn)行合乎邏輯的推理判斷．

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