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

TheInternet-GoodorBad?Unit4TheInternetConnectsUs

Thinkaboutit!WhatdoyoudoontheInternet?DoestheInternetmakelifesimple?Wheredothesestudentslive?TheyliveinAfrica.WiththeInternet,wecouldmeettheminseconds.What’sthis?It’stheSouthPole.It’sfarawayfromus.ButtheInternetcaneventakeusthere.Advantages(优点优势）InmanywaystheInternetmakesourlifeeasyandsimple.Let’sDoItNo.2Listentothedialogueandtickthecorrectanswer.WhydoseLiMingsaystheyshouldusetheInternetproperlyandcarefully?WhyaresomeparentsworriedabouttheirchildrenusingtheInternet?Every____hastwosides.Everythinghastwosides(_________or____________),soistheInternet.coinadvantagesdisadvantagesSpendingtoomuchtimeonlineisharmful

topeople’shealth.Disadvantages:Disadvantages:ItmaycausepeopletobelesssocialwithfamilyandfriendsDisadvantages:Asidefrom(除此以外)that,Somepeopleattacktheweborstealothers’

personalinformation,evenbankinginformation.SowemustusetheInternetproperly.Readthelessonandfindouttopicsentencesofeachparagraph.1.

TheInternethasadventagesanddisadvantages.2.Someoftheadvatagesaretrulywonderful.3.Someof

thedisadvantagescanbecomerealproblemsifwedon’ttakecare.4.TheInternetcanbeausefultool,butdon'tletittakeupallofyourtime.FindoutthemainideaofthewholepassageTheInternethasadventagesanddisadvantages.NewWordsadvantagedisadvantagesimplecoincausen.优势；有利条件n.缺点；不利因素adj.简单的；简明的n.

硬币v.造成；引起[əd'vɑːntɪdʒ][dɪsəd'vɑːntɪdʒ]

['sɪmp(ə)l]

[kɒɪn]

[kɔːz]NewWordsasideattackwebstealbankingproperlyadv.除…之外；在旁边v.袭击；损害n.网络；网v.偷盗；窃取n.银行业adv.正确地

[ə'saɪd]

[ə'tæk]

[web]

[stiːl]

['bæŋkɪŋ]['prɒp(ə)lɪ]Whatisit?coinsteal-stole-stolenWhichwordcanyouthinkof?Doyouknowthisword?/ə'tæk/attackDoyouknowthisword?/‘prɔpəlɪ/

properlyWhichwordhasthemeaningof…?easytounderstandordo

simpleLet’sDoItNo.1ReadthelessonandfillinthetableReadthelessonandfillinthetable.GoodthingsabouttheInternetBadthingsabouttheInternet1.Itmakeslifeeasierandsimpler.2.Ithelpsusgetthingsdonemorequickly.3.Itopensuptheworldtous.4.Itiseasytostayintouchwithfriends.1.Spendingtoomuchtimeonlineisharmfultopeople’shealth.2.Itcausesthemtobelesssocialwithfamilyandfriends.3.Somepeopleattacktheweborstealothers’personalinformation.Languagepoints1.Peopleareabletoconnectandshareinformationinseconds.

几秒钟之内，人们就能够相互联系并分享信息。1)beabletodosth.意为“能,能够”情态动词can也表示“能,会”例如：Canyoucometomorrow?/Willyoubeabletocometomorrow?明天你能来吗？2)inseconds

短时间内；几秒钟之内，例如:

Ifyoupressakey,itwillstartinseconds.你只要触摸按键，它就会在几秒内启动。2.Ithelpsusgetthingsdonemorequickly.它能使我们把事情做得更快。getsth.done“完成，做完某事”，此外，get/havesth.done还有“让某人做某事”的意思。Igotmyhomeworkfinished.我做完了作业。Iwillget/havemyhaircut.我要去剪发。3.Andifafriendlivesfaraway,theInternetmakesiteasytostayintouch.如果朋友住得很远，互联网使相互联系变得容易。1)“make+it+adj.+todo”意为“使做某事变得……”。TheteachertriedtomakeitinterestingtolearnEnglish.老师尽力使英语学起来有趣。4.Spendingtoomuchtimeonline

isharmfulto

people’shealth.在网上花太多的时间对人们的健康有害。beharmfulto

对……有害处Smokingisharmfultoyourhealth.吸烟对你的身体有害。Fruitjuiceisharmfultochildren’steeth.果汁对儿童的牙齿有害。5.Itmayevencausethemtobelesssocialwithfamilyandfriends.它甚至会导致他们与家人和朋友较少来往。cause意为“造成，使(发生)”，例如：Smokingcancauselungcancer.吸烟可引发肺癌。Thecoldwatercausedtheplanttodie.冷水导致了植物的死亡。Whatcausedhertocry?是什么使她哭了?6.Asidefromthat,somepeopleattacktheweb…除那之外，一些人还攻击网站……asidefrom除……以外

Asidefrombeinggoodexercise,swimmingisaveryusefulskill.

除了是有益的锻炼外，游泳还是一种很有用的技能。

AsidefromEnglish,theyalsolearnedChinese,physicsmathandtechnology.除了英语，他们还学到汉语，物理和技术。7.TheInternetcanbeausefultool,butdon’tletittakeupallofyourtime.互联网可能是一种有用的工具，但不要让它占据你所有的时间。takeup

占用（时间）；占据（空间）Thetabletakesuptoomuchroom.这张桌子太占地方。Doingthisthingwilltakeupyourmuchtime.做这件事会占用你大量的时间了。TimeforReflectioninsecondsfarawayasidefromtakeupEverycoinhastwosides.在数秒内遥远的；远离除……之外占据任何事物都有两面性Fillintheblankswithcorrectwords.1.Theproblemisas_______(简单的)aswefirstthought.2.Mygrandmotherlives____________(遥远的)fromme.SoIseldomvisithim.3.Itiseasyandquickto____________(保持联系)withourclassmatesonline.simplefarawaystayintouch

insecondslittletakeupbeharmfultoasidefrom1.Asweallknow,smoking____________ourhealth.2.Ihave_____moneythanyou,soIcannotlendyouany.3.Don’tletInternet_______toomuchtime.4.Peoplecanshareinformation__________

ontheInternet.It'sveryquickandconvenient.

5.__________Jack,Idon’tknowanybodyhere.用所给词的适当形式填空isharmfultoless

insecondstakeupAsidefromTheInternet—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