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Lesson23TheInternet—GoodorBad?Unit4TheInternetConnectsUsLesson23TheInternet—GoodorBad?课前自主预习课堂互动探究Unit4TheInternetConnectsUs单词闯关1.优势;有利条件;有利因素________→_________(反义词)2.简单的;简明的________→________(近义词)3.硬币________4.造成;引起________5.更少的(地);更小的(地)→________→________(原级)simpleeasyadvantagedisadvantagecoinLesson23TheInternet—GoodorBad?cause课前自主预习lesslittle单词闯关6.aside_______________7.attack________8.web________9.偷盗;窃取________→________(过去式)10.banking________11.properly________→________(adj.)袭击;损害除……之外;在旁边网络;网stealstole银行业正确地properLesson23TheInternet—GoodorBad?短语互译1.inseconds____________2.faraway____________3.asidefrom____________4.openup____________5.能够____________6.占用___________7.保持联系____________8.担心……____________在很短的时间内遥远除此之外打开beabletotakeupstayintouchbeworriedaboutLesson23TheInternet—GoodorBad?句型在线1.在许多方面,它(互联网)使生活变得更容易、更简单。_______many________it________life________and_______.2.它(互联网)帮助我们更迅速地做事。Ithelpsus________thingsdone________________.3.花费太多的时间上网对人们的健康有害。________________________timeonline________harmfultopeople'shealth.InwaysmakeseasiersimplergetmorequicklySpendingtoomuchisLesson23TheInternet—GoodorBad?句型在线4.这甚至可能会导致他们与家人和朋友的交往更少。Itmay________________themtobe________________________familyandfriends.evencauselesssocialwithLesson23TheInternet—GoodorBad?词汇点睛课堂互动探究●1causev.造成;引起[观察]Itmayevencausethemtobelesssocialwithfamilyandfriends.这甚至可能会导致他们与家人和朋友的交往更少。Pouringdirtywaterintothelakewillcausepollution.把脏水倒进湖里会造成污染。Lesson23TheInternet—GoodorBad?[探究]cause作动词,意为“造成;引起”,后接________词或代词作宾语。常用结构为causesth.,意为“造成/引起某事”;也可接双宾语,即causesb.sth.=causesth.forsb.,意为“给某人造成某事”。名Lesson23TheInternet—GoodorBad?活学活用1.根据汉语意思完成句子(1)我怕给他们带来麻烦。I'mafraidof________themtrouble.(2)他们知道什么引起的这场火灾吗?Dotheyknowwhat________________________?causingcausedthefireLesson23TheInternet—GoodorBad?●2lessadj.&adv.更少的(地);更小的(地)n.较少量;较小的部分[观察]You'dbettereatlessfoodandtakemoreexercise.你最好少吃多锻炼。Wehavelesstoworryaboutnow.现在我们要担忧的事少一些了。词汇点睛[探究]less作形容词时,是形容词little的比较级,修饰________(可数/不可数)名词。less作副词时,用于修饰动词。其反义词是more。不可数Lesson23TheInternet—GoodorBad?[拓展](1)与less相关的短语:nolessthan不少于moreorless或多或少(2)few与little为同义词,few修饰可数名词复数,其比较级及最高级形式分别为fewer和fewest。few的比较级及最高级形式的反义词分别是more和most。Lesson23TheInternet—GoodorBad?活学活用2.根据汉语意思完成句子(1)污染比以前少了。There's________________thanbefore.(2)我的书比你的少。Ihave________________thanyou.lesspollutionfewerbooksLesson23TheInternet—GoodorBad?●1Peopleareabletoconnectandshareinformationinseconds.人们可以在很短的时间内联系并分享信息。[探究](1)beableto意为“能,能够”,强调通过努力而获得某种能力,________(能/不能)用于多种时态。例如:Theboywasabletospeakatage1.这个男孩一岁时就会说话。(2)inseconds意为“在很短的时间内”,second此处用作名词,意为“片刻”。例如:句型透视能Lesson23TheInternet—GoodorBad?[探究]Youwillreceivemyemailinseconds.你很快就能收到我的电子邮件。[拓展]can也表示“能,能够”,强调自身已具备的能力,用于一般现在时。用于一般过去时,需变成could。Lesson23TheInternet—GoodorBad?活学活用1.根据汉语意思完成句子(1)下个月我就会游泳了。Iwill________________________swimnextmonth.(2)你在很短的时间内就可以收到我的信息。Youcanreceivemymessage________________.beabletoinsecondsLesson23TheInternet—GoodorBad?●Spendingtoomuchtimeonlineisharmfultopeople'shealth.花费太多的时间上网对人们的健康有害。[探究](1)“Spendingtoomuchtimeonline”是动名词短语作主语,谓语动词用________(单数/复数)形式。(2)toomuch意为“太多”,修饰不可数名词或行为动词,表示程度。(3)beharmfulto…意为“对……有害”。句型透视单数Lesson23TheInternet—GoodorBad?活学活用2.(1)Alittlewinewillnotbe________toyourhealth.Justdon'tdrinktoomuch.A.helpfulB.helplessC.harmfulD.harmless(2)________honestisthefirstthingthatpeopleshouldlearn.A.BeingB.LookC.BeD.BecomeCALesson23TheInternet—GoodorBad?
本文标题:2019年春八年级英语下册 Unit 4 The Internet Connects Us Less
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