冀教版八年级英语下册 （The Internet-Good or Bad）The Internet Connects Us 课件

TheInternet—GoodorBad？Unit4

TheInternetConnectsUs

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)simple easyadvantagedisadvantage

coin

Lesson23

TheInternet—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steal stole银行业正确地

properLesson23

TheInternet—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beabletotakeupstayintouch

beworriedaboutLesson23

TheInternet—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.In ways makes easier simplerget morequicklySpendingtoo much is

Lesson23

TheInternet—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.even cause less socialwith

Lesson23

TheInternet—GoodorBad？

词汇点睛

课堂互动探究●1

causev.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。Lesson23

TheInternet—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Lesson23

TheInternet—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________________________？causingcaused thefireLesson23

TheInternet—GoodorBad？●2

lessadj.&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Lesson23

TheInternet—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。Lesson23

TheInternet—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.less pollutionfewerbooksLesson23

TheInternet—GoodorBad？●1

Peopleareabletoconnectandshareinformationinseconds.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Lesson23

TheInternet—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。Lesson23

TheInternet—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________________.be able toin secondsLesson23

TheInternet—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Lesson23

TheInternet—GoodorBad？活学活用

2．(1)Alittlewinewillnotbe________toyourhealth.Justdon'tdrink toomuch. A．helpful

B．helpless C．harmful D．harmless(2)________honestisthefirstthingthatpeopleshouldlearn. A．Being

B．Look C．Be D．BecomeCALesson23

TheInternet—GoodorBad？TheInternetConnectsUsUnit4TheInternet—GoodorBad?Lesson23

同学们，上一课学习的单词、短语和句型你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！NowmoreandmorepeopleusetheInternet.Whatdoyouthinkofit?Doyoulikeit?Someoftheadvantagesaretrulywonderful.Inmanywaysitmakeslifeeasierandsimpler.Ithelpsusgetthingsdonemorequickly.Itopensuptheworldtous.Andifafriendlivesfaraway,theInternetmakesiteasytostayintouch.Buteverycoinhastwosides.Someofthedisadvantagescanbecomerealproblemsifwedon’ttakecare.Spendingtoomuchtimeonlineisharmfultopeople’shealth.Itmayevencause❶themtobeless❷socialwithfamilyandfriends.Asidefrom❸that，somepeopleattacktheweborusetheInternettostealothers’personalinformation，evenbankinginformation.TheInternetcanbeausefultool，butdon’tletittakeupallofyourtime.UsetheInternetproperlyandcarefullyanditcanmakeyourlifemorecolourful.Howfardoyouwanttogo？TheInternetcaneventakeyoutotheSouthPole！cause/kɔːz/v.使发生；引起；造成eg：Hisabsencecausedmemuchtrouble.他的缺席给我带来了许多麻烦。讲解来自《点拨》知识点1causesb.sth.＝causesth.to/forsb.给某人带来某事eg：Ihopethatitwon’tcauseyoumuchtrouble.

我希望它不会给你带来很多麻烦。考向一讲解来自《点拨》causen.原因；起因；理由；动机eg：Whatwasthecauseoftheaccident?造成这一事故的原因是什么？考向二辨析cause与reason考向三cause起因；指引起某种后果的起因。常与of连用，即“thecauseof...”。Thecauseoftheaccidentwasthathedrovetoofast.事故的起因是他开车太快。reason理由，原因；指决定做某一件事或采取某一行动的理由，由此而得出结论或解释。常与for连用，即“thereasonfor...”。ThereasonformyabsencewasthatIwasill.我没来是因为我生病了。讲解来自《点拨》典例Everyyeardrivingafterdrinkingwine________alotoftrafficaccidents.(内江)A．happens

B．provides

C．causes【点拨】采用逻辑推理法。happen发生，主语是发生的事情；provide提供；cause引起，主语是原因，宾语是结果。根据句意“每年酒后驾车引起大量交通事故。”Cless/les/adj.&adv.(little的比较级)更少的(地)；更小的(地)n.较少量讲解来自《点拨》知识点2eg：Thefilmwaslessfunnythanthebook.这部电影不如书好笑。讲解来自《点拨》less更少(小)的作形容词讲时，常用来修饰不可数名词。是little的比较级。Wehavelesscoffeethanyouhave.我们的咖啡比你们的少。fewer更少的作形容词讲时，常用来修饰可数名词复数。是few的比较级。Theyhavefewereggsthanyouhave.他们的鸡蛋比你们的少。一语辨异：Weshoulddomoreworkwithfewerpeopleandlessmoney.我们应该用更少的人和更少的钱做更多的工作。魔法记忆考向辨析less与fewerasidefrom除……之外讲解来自《点拨》知识点3eg：

AsidefromTom,Idon’tknowanybodyinthisvillage.除了汤姆之外，这村子里我谁也不认识。辨析:

asidefrom,besides与except考向【难点】讲解来自《点拨》aside

from作“除……之外(还)”讲时，相当于besides；作“除了……外(都)”讲时，相当于except。AsidefromJohn，weallwentthere.除了约翰(去了)之外，我们都去那儿了。(包含约翰)AsidefromJohn，weallwentthere.除了约翰(没去)外，我们都去那儿了。(不包含约翰)besidesbesides意为“除了……之外(还)”，表示的是追加关系，整体中包括了“除了”的部分。Besideshiswife,hisdaughteralsowenttoseehim.除他妻子外，他女儿也去看他了。

exceptexcept意为“除了……(都)”，表示的是剔除关系，整体中不包括“除了”的部分。Iseldomgotoworkbybusexceptwhenitrains.除了下雨的时候，我很少乘公共汽车去上班。讲解来自《点拨》典例Everyoneelseinmyclasswasinvited________________(除了)me,andIdon’tknowwhy.(滨州改编)【点拨】本题采用语法判定法，句意：除了我，我们班每个人都被邀请了，我不知道为什么。asidefrom相当于besides和except。asidefromReadthelessonandfillinthetable.Let'sDoIt!GoodthingsabouttheInternetBadthingsabouttheInternetItmakeslifeeasierandsimpler.Ithelpsusgetthingsdonemorequickly.Itopensuptheworldtous.Itmakesiteasytostayintouchifafriendlivesfaraway.Spendingtoomuchtimeonlineisharmfultopeople'shealth.Itmayevencausepeopletobelesssocialwithfamilyandfriends.SomepeopleattacktheweborusetheInternettostealothers'personalinformation,evenbankinginformation.Let'sDoIt!2)Listentothedialogueandtickthecorrectanswers.1．WhatareLiMingandWangMeitalkingabout?□Theirschoolproject.□Theirhomework.2．WhydoesWangMeithinktheInternetisgood?□Shecanchatwithherfriendseasily.□ShecanwatchTVprograms.3．LiMingthinkstheyshouldusetheInternet________．□carefullyandfreely□properlyandcarefully√√√LiMing:Ourschoolprojectis“TheInternet—goodorbad?”Whatdoyouthink,WangMei?WangMei:Ithinkit’sgoodbecauseIcanchatwithmyfriendseasily.IcanshareinformationandevenuseittolearnEnglish.Whataboutyou?LiMing:Idon’tthinkit’sgoodforourhealthifwespendtoomuchtimeonline.Somestudentsliketoplaygamesanddon’tstudyhard.WeshouldusetheInternetproperlyandcarefully.3)ThefollowingarethethingsyoucandoontheInternet.TicktheonesthatyouthinkareOKforjuniorhighstudentsandgiveyourreasons.Let'sDoIt!□E­mailwithfriendsandfamily.□Chatonlinewithfriends.□Downloaddocumentsfromstrangers.□Writeblogs.□E­mailwithstrangers.□Openattachmentsfromstrangers.□Send，receiveorpostphotoswithfriends.□Playonlinegamesforawholeday.□Downloadprograms.□Stayonlineafter10:00p.m.一、根据句意及汉语提示写出单词1．Beingtallgiveshiman________(优势)overtheotherbasketballplayers.(南通)2．Thisbookiswrittenin________(简明的)English.3．Hepaidmein________(硬币)．4．The________(起因)ofthefireisacigaretteend.5．Wehave________(更少的)troublenowthanbefore.advantage来自《点拨》simplecoinscauseless二、单项选择6．—Whatdoyouthinkofthesofa?—Notbad,butitmay________toomuchspaceofourlivingroom.(扬州)A．takeupB．putupC．openupD．makeup来自《点拨》A【点拨】运用短语辨析法。句意：——你认为这沙发怎么样？——不错，但是它可能________我们起居室太多的空间。takeup占据；putup张贴，悬挂；openup打开；makeup编造。结合句意可知，应是“占据起居室太多的空间”。故选A。7．—Allthingshaveadvantagesanddisadvantages.—Sure.________．(徐州改编)A．Eastorwest,homeisthebestB．TheearlybirdcatchesthewormC．ManyhandsmakelightworkD．EverycoinhastwosidesD来自《点拨》【点拨】第一句句意：所有的事情都有优点和缺点。A.金窝银窝不如自己的草窝；B.早起的鸟儿有虫吃；C.众人拾柴火焰高；D.事物都有两面性。结合题意，可知选D。8．Finishyourhomeworkfirst,andthenyou'll________watchTVforanhour.(白银改编)A．canB．beabletoC．abletoD．could来自《点拨》B【点拨】will后跟动词原形，故先排除C、D项，will与can不能同时出现在句子中，排除A，故选B。来自《点拨》9．—________isitfromyourhometoyourschool?—Itisabout10minutes'ride.(潍坊