高中英语必修7Unit 3 The world online-Welcome to the unitVIP专享VIP免费

Unit3TheworldonlinePartOneTeachingDesignAimsandrequirements◆Readtwodebatesandaninformationsheet◆Listentospeechesabouthowpeoplewatchandlistentothenews◆TalkabouttheInternetandaskquestionsaboutfactsandfigures◆Writeane-mailreportingfactsandfigures◆DoresearchontheInternetanddesignaposterProcedures●WelcometotheunitStep1:BrainstormingWiththerapiddevelopmentofInternet,ithasbeeninfluencingourdailylifetremendously.Internethastransformedourlivesandthewaywecommunicate,welearn,weworkandspendourfreetime.Infact,ithasmoreorlesschangedeveryaspectofhumansociety.Boysandgirls，pleasereadtheinstructionsandfocusonthefourpictures.Thentryyourbesttothinkofinformationyouknowabouteachpicture.Anyway,I’llgiveyouabriefintroductionfirst.(Forexample,“WearegoingtotalkabouthowweusetheInternet.TrytofindhowwecanusetheInternetandhowtheInternetcanaffectourlives.”)Picture1Whatcanpeopledoonthiswebsite?Whatdowecallthiskindofwebsitethatprovidessearchingservices?(Wecallitsearchengine.)Doyouknowhowtofindinformationontheinternetusingasearchengine?Whatsearchenginesdoyouknoworoftenuse?Whichisyour用心爱心专心116号编辑favoritesearchengine?Picture2Haveyoueverheardofshoppingonlineorboughtanythingonline?Whatisshoppingonlinelike?Whatdoyouthinkwouldbetheadvantagesofbuyingthingsonline?(Asonlineshopkeepersdonothavetopayfortherentalofarealshop,theproductssoldonlineareusuallycheaperthanthoseinrealshops.Itiseasyandconvenienttocompareaproductinseveralonlineshops.Payingforthingsissimpleasyoujustkeyinthecreditcardnumberandconfirmthepaymentonline.Thedeliveryisusuallyquickandtheonlineshopsprovidedeliverytoyourhome.Themostimportantthingisthatshoppingonlinesavesalotoftime.)Whatdoyouthinkwouldbethedisadvantagesofonlineshopping?(Becausepeoplecanonlyseepicturesoftheproductsonline,sometimesyoucouldreceivesomethingthatwasnotwhatyoureallywanted.Thesafetyofthepaymentisnotonehundredpercentguaranteedassomeonemaystealtheaccountnumbersorpinnumbersofyourcreditcardsregisteredonline.Also,somepeoplefalselyadvertiseproductsandthenstealcustomers’money.)Picture3Haveyouevertriedtalkingwithyourparentsorfriendsonline?Whatwasitlike?Whatdevicesdoyouneedifyouwanttotalkwithpeopleonline?(AcomputerconnectedtotheInternet,aweb-camera,aweb-microphoneandweb-talkingsoftware.)Whatarethegoodpointsandbadpointsofonlinetalking?(Therearemanygoodthingsaboutonlinetalking.Peoplecansavealotofmoneyinsteadofpayingforlong-distancecalls.Peoplecankeepintouchwithfamilymembersorfriendswherevertheyareintheworld.Therearenegativethingstoo.Thequalityofthepicturesorvoicedependsonthespeedofthenetworktransfer.Manypeopletalkwithonlinefriendswithoutrealizingthattheirpicturescouldbeusedbyothersinillegalways.)Whichwayofcommunicationdoyouprefer,talkingfacetoface,talkingoverthetelephone,talkingonlineortalkingonlinewithaweb-camera?Why?Picture4Haveyoutriedotheronlineservicesthatarenotmentionedhere?Whichones?Whatotheronlineservicesdoyouthinkwewillneedorhaveinthefuture?WhatroledoyouthinktheInternetwillplayinthefuture?Doyouthinkitisagoodideato“live”ontheInternetcompletely?Step2:Sharinginformation用心爱心专心116号编辑1.Toworkingroupsoffourortoformyourowngroups.Let’sreadthethreequestionsunderthepictures.2.Exchangeyouropinionsanddiscussthethreequestionsamongyourgroupmembers.Iwantallofyoutofullyparticipateinthediscussionandexpressyouropinionsfreely.Thensomeofyouarerequiredtoreportyouranswe...