18．Do you want to make a difference in your community？The Verizon App Challenge can get you started．The first step is to think of a problem in your community．The next step is to create an app that can solve the problem．
Group of five to seven students in middle school or high school，led by a teacher，can enter the contest．First，teams will compete on a local level．Teams that make it to the next round receive﹩5，000 for their schools．Finalists present their app ideas to judges in a live web conference．Next，the judges pick national winners．The top eight teams receive an additional﹩15，000 for their schools，and each team member receives a Samsung tablet．Plus，the winning teams get the chance to bring their app to life．
A group of six girls from Los Frenos，Texas won the second annual Verizon App Challenge．They came up with the Hello Navi app concept，short for"hello navigation"．T he app was designed to help visually impaired （受損的） students navigate （導(dǎo)航） their school．
Do you have an app idea that could help solve a local issue？The deadline to register （登記） is November 24．Find more information and register your team at verizonfoundation．org/appchallenge．
Here are some tips from the Verizon Foundation to get you started：
?Get your team together for a brainstorming meeting．Write out all the ideas that come to mind．
?Don't ignore challenges．Accept the idea that you can solve a problem that exists in your community．
?Ask family，friends and people in your community to share their thoughts about problems that they want to see solved．
38．If you want to take part in the Verizon App Challenge，you mustA．
A．design a problem-solving app
B．bring the app you created to life
C．work together with seven classmates
D．present convincing views on a local issue
39．How much will the winning team earn in all for their schools？C
A．﹩5，000 B．﹩15，000 C．﹩20，000 D．﹩120，000
40．What can we learn about the"hello navigation"？D
A．It was first made public in Texas．
B．It won the second prize in the last Verizon App Challenge．
C．It mainly benefited those with poor sense of direction．
D．It aimed to help those with poor eyesight．
41．What is the author's purpose of writing this passage？B
A．To promote a problem-solving app．
B．To call on more students to enter the contest．
C．To share some efficient ways of solving problems．
D．To introduce how to contribute to your community．
分析 本文為社會文化類說明文；文章介紹了一個程序競賽--the Verizon App Challenge參賽規(guī)則、獲獎情況：在一名老師的帶領(lǐng)下，5-7名學(xué)生組成團(tuán)隊，發(fā)現(xiàn)社區(qū)中的問題并設(shè)計解決這一問題的程序；成功進(jìn)入下一輪的團(tuán)隊為學(xué)校贏得5000美元；最好的8個團(tuán)隊每隊為學(xué)校額外獲得15000美元，并且每個成員獲得三星平板電腦；而獲勝隊的程序也會在生活中應(yīng)用；最后文章提供截止時間和具體網(wǎng)址，呼吁更多的學(xué)生參加．
解答 38-41 ACDB
38．答案是A．細(xì)節(jié)理解題；根據(jù)文章第一段最后一句"The next step is to create an app that can solve the problem．（下一步創(chuàng)造一個計算機(jī)應(yīng)用程序解決這個問題）"推斷答案是A．
39．答案是C．細(xì)節(jié)理解題；由文章第二段中"Teams that make it to the next round receive﹩5，000 for their schools．（成功進(jìn)入下一輪的團(tuán)隊為學(xué)校贏得5000美元）"和"The top eight teams receive an additional﹩15，000 for their schools最好的8個團(tuán)隊每隊為學(xué)校額外獲得15000美元"推斷獲勝隊總計為學(xué)校獲得20000美元，故答案是C．
40．答案是D．細(xì)節(jié)理解題；根據(jù)第三段"T he app was designed to help visually impaired （受損的） students navigate （導(dǎo)航） their school．這個程序的目的在于幫助視力受損的學(xué)生導(dǎo)航去學(xué)校"推斷該程序的目的是幫助視力弱的人，故選D．
41．答案是B．主旨大意題；文章介紹了一個程序競賽--the Verizon App Challenge參賽規(guī)則、獲獎情況，并提供截止時間和具體網(wǎng)址，呼吁更多的學(xué)生參加，故答案是B．
點(diǎn)評 閱讀要在整體理解文章的基礎(chǔ)上，在做細(xì)節(jié)題時根據(jù)題干定位細(xì)節(jié)，在語境中正確理解原句，然后對照選項做出合理的判斷；必要的時候要進(jìn)行推理，透過句子表面看作者的真正意圖．如果是主旨大意的判斷要把握文章整體，避免以偏概全．
