Unit4TheInternetConnectsUsWewilllearn:Functions►TalkingabouttheInternetGrammar►AdverbialClausewith“if”Structures►HowdoestheInternethelpyou?►IfyouhavetheInternet,youcanlearnalotaboutmanydifferenttopics.►Itisquiteeasytofindinformationontheweb.Lesson19:HowDoYouUsetheInternet?Learningaims:1.Learnaboutthedevelopmentofthecomputer.2.Knowabouthowtousethecomputer.Learningimportantpoints:1.HowtoconnectthecomputertotheInternet.2.LetthestudentsexpressitinEnglish.Learningdifficultpoints:SomewordsandexpressionsintheprocessofconnectingthecomputertotheInternet.NewWordstechnologytabletkeyboardtopicindustryWhatcanyoudoonacomputer?HowdoyouusetheInternet?ThinkAboutIt!ThinkAboutIt!LanguagePoints1.Iusedtohaveadesktopcomputer,butnowIhaveatablet.我过去有一台台式电脑,但现在我有一个平板电脑。usedtodo意为“曾经是;过去常常”,表示过去存在的状态或过去经常做某事而现在不做了,只用于一般过去时。used没有人称和数的变化。如:HeusedtoliveinBeijing.他过去住在北京。(1)usedto+n./doingsth.意为“习惯于……做某事”,注意这里的to是介词,后面接动名词。如:Heisusedtotravelingbytrain.他习惯坐火车旅行。(2)beusedtodosth.意为“被用来做某事”,这个结构表示被动。如:Thisknifeisusedtocutbread.这把刀子是用来切面包的。链接:ExercisesI.根据所给汉语提示,完成下列句子。1.Walk________(向前)andyouwillseethewhitebuilding.2.Thebridge_________(连接)thetwopartsofthecity.3.Onthetelevision______(屏幕)weseelotsofpeopledancing.4.Youshouldstop_________(喊)atthechildren.5.Isthereanychickenonthe______(菜单)?6.Itiseasytosearchforinformationonthe________(因特网).InternetforwardconnectsscreenshoutingmenuII.句型转换,每空一词。1.Theoldwomanpushestheredbutton.(改为否定句)Theoldwoman____________theredbutton.2.Whatdoes“candy”mean?(改为同义句)What's___________________“candy”?3.Let'shaveawalk.(改为反意疑问句)Let'shaveawalk,____________?4.Remembertodrivemehometomorrow.(改为同义句)____________todrivemehometomorrow.5.Lindaislisteningtomusic.(对划线部分提问)isLinda?Whatdoingdoesn'tpushthemeaningofshallweDon'tforgetIII.根据汉语意思翻译下列句子,每空一词。2.不要在教室里制造噪音。Don't__________________intheclassroom.3.你上网时还喜欢做些什么?What______wouldyoulike____________theInternet?4.他们已经成功地到达了山顶。Theyhave__________________gettingtothetopofthemountain.5.我喜欢在网上聊天和别人交朋友。Ilike_________and______________with__othersontheInternet.chattingmakingfriendsmakeanynoiseelsetodoonsucceededin