Unit2LanguageWelcometotheunitPre-reading1.Whatlanguagedoyouspeak?Canyouspeakanyotherlanguages?2.Doyouknowhowmanylanguagesthereareintheworld?3.Doyouthinklanguageistheonlywaypeoplecommunicate?Whatothermethodsofcommunicationcanyouthinkof?Picture-talking1.DoyouspeakanyotherlanguagebesidesChinese?Ifso,canyouspeakalittleforus?2.Whichotherlanguagedoyouwanttolearn,English,Japanese,SpanishGermanorFrench?Why?3.Whichlanguagedoyouthinkisthehardest?Why?Picture11.Whatisanemoticon?2.Whendopeopleusuallyusethiskindoflanguage?3.Couldyougivesomemoreexamples?Thewordisamixtureofemotionandicon,meaningemotionalicon.ThisInternetlanguageisoftenusedbyyoungpeople,communicatingthroughcomputers.Picture21.Doyouthinkthesamesignmeansthesametopeopleallovertheworld?Ifnot,canyoushowsomeexamplesandexplainthem?2.Whoneedstousesignlanguageintheirdailylives?3.Haveyoueverusedsignlanguage?Isithelpfulforyoutocommunicatewithothers?Picture31.WhatisBraille?2.WhoinventedBraille?Haveyouheardabouthim?Whatdidhedoforblindpeople?Aspeciallanguageforblindpeople.AFrenchmancalledLouisBraille,whohimselfwastotallyblind.Withthehelpofasoldier,whoinventedawritingsystemforuseinthedark,Braillethendevelopedhissystemfortheblind,whichwasnamedafterhim.Picture41.Whydobeesflyincircles?2.Doyoubelieveanimalscan“talk”?Likehumans,animalsneedtocommunicatewitheachothertosurvive.Theydon’tspeaktoeachotherinthesamewayaswedo;insteadtheyusemanydifferentsoundsandactionstoexpressthemselves,forexample,catsmiaowanddogsbark.Animallanguageissimplerthanhumanlanguage,butitshowshowintelligentanimalsare!Picture5Readingonpage102:1.Bytouch.(line11)2.Fromthetypeofdancethesearcherbeeperforms.(line13)3.Thesearcherbee’smovementsinthefigureof8patterntelltheworkerbeeswherethesunisinthesky.(line19)4.Themorewagglessheperformsandthelongershedances,thefartherthefoodsupplywillbe.(line17)5.Becausethefoodsupplyisclosetothenest,andthereforeeasiertofind.(line22)DiscussionDiscussthequestionsbelowthepicturesingroupsoffourNotes:1.broad\widebroad:强调幅面的宽广,侧重表面上的广阔宏大.指人时多形容背、肩、胸等。wide:指从一边到另一边的距离，指人时多形容眼睛、口等。Wesawthebroadocean.Hestaredattheforeignerswithwideeyes.Hehasabroadmind.2.standfor=represent,mean;=support;=putupwith3.share…with…；sharein…；n.份额HomeworkFinishthehomeworkonpages17-18intheexercisebooks.
