Unit 4 Information technology Lesson 2 Apps 課件-高中英語(yǔ)北師大版（2019）必修第二冊(cè)

Lesson2apps新北師大必修Book2Unit4InformationTechnologyWhatappsdoyouoftenuse?Whatdoyouusethemfor?tobookticketstobookaccommodationtoorderfoodtofinddirectionstolearnalaguagetochecktheweathertolookforpopularrestaurantstosubscribetonewspapersandmagazines2Beforelisteningtoaninterviewwithanappdeveloper,readandanswerthequestions.Usethekeywordstohelpyou.Thenlistenandcheck.1.Whyareappssopopular?2.Whatarethedifficultiesindevelopinganapp?3.Whatarethelatesttechnologiesusedinapps?SkillBuilderListeningforkeywordshelpsyouunderstandtheconversationbetterandfindtheanswerstoquestionsmorequickly.Beforelistening,readthequestionscarefully.Whilelistening,payattentiontothewordsrelatedtothequestions,e.g.popular,difficulties,latesttechnologies.Listenforwordsthatarestressed.ListeningforKeyWordsKeyWordstobecomepowerfultosolvereal-worldproblems

toenjoylearningactivitiestousethelatesttechnologyAR(AugmentedReality)

tobeusefultomakelifeeasiertofindwhatpeopleneedVR(VirtualReality)MR(MixedReality)Now,listenandchecktheanswers.1.Whyareappssopopular?2.Whatarethedifficultiesindevelopinganapp?3.Whatarethelatesttechnologiesusedinapps?Appsarepopularbecausetheyareusefulandmakelifeeasier.Thedifficulityisinsolvingreal-worldproblemsandfindingwhatpeopleneed.ThelatesttechnologiesusedareVR(VirtualReality),AR(AugmentedReality)andMR(MixedReality).Listen

again.Completetheinformation.3GeneralfunctionsfindpopularrestaurantsUsesofeducationalappsDifficultiesindevelopinganappcallfortaxisfinddirectionstodifferentplacesallowstudentstochoosetheironlinetechersandsubjectsaccordingtotheirpersonalinterestsandneedsensurethatstudentscanallenjoythesamelearningmaterialsfindoutwhatpeopleneedsolvereal-worldproblemsGroupWork.AnswerthequestionsusingtheinformationinActivity3tohelpyou.41.Whataresomegeneralfunctionsofapps?2.Whatcanstudentsdowitheducationalapps?Generalfunctionsinclude:tofindpopularrestaurants,callfortaxis,finddirectionstodifferentplaces,andsoon.Studentscanchoosetheironlineteachersandsubjectsaccordingtotheirpersonalinterestsandneedsoneducationalapps.GroupWork.AnswerthequestionsusingtheinformationinActivity3tohelpyou.43.AccordingtoLiXing,whatarethedifficultiesindevelopinganapp?Thedifficultthingaboutdevelopingappsisfindingoutwhatpeopleneedandsolvingreal-worldproblems.4.Ifyouareabletodevelopanapptosolveareal-worldproblem,whatproblemwouldyouliketosolve?Andhow?Listen

totwoconversations.5FOCUSONFUCTION:ASKINGFORANDOFFERINGHELPQuestions:1.WhathelpdoesDadaskforinthefirstconversation?2.WhathelpdoesBarbaraSmithaskforinthesecondconversation?Answers:1.Dadasksforhelpinsettingupanaccountonashoppingapp.2.Thewomanasksforhelpinfindingoutwhyhergoodshaven'tarrived.Listen

andimatate.CompletetheTalkBuilder.6TalkBuilderAskingforandOfferingHelpAskingforhelp1.__________________withsomething?2.___________________setupanaccount.3.Ihaven'treceivedthegoods.____________________andfindoutwhat'sgoingon?4._________________checkagain?CanyouhelpmeoutIcan'tfigureouthowtoCanyoudomeafavourWouldyoubeabletoTalkBuilderOfferinghelp1._______________downloadingit?2.Noworries._____________withthat.3._________helpyou?4.________enquireabouttheorderwiththedeliveryman.5._________________anythingelsetoday?DoyouneedhelpIcanhelpyouHowmayILetmeCanIassistyouwith7LookattheTalkBuilder.Pickoutheexpressionsthatformal/informalandexplainwhy.Formalexpression:____________________________________________________________________________________________________________.Informalexpression:_________________________________________________________________________________________.8RolePlayRole-playthefollowingsituations.Notetheformal/informaluseoflanguage.Thepasswordofyouraccountiswrongandyoucan’tlogintothecampusnetwork.Situation1:AclassmateofferinghelpSituation2:Scho