冀教版八年級下冊英語Lesson 23 課件2

TheInternet—GoodorBad?Unit4TheInternetConnectsUsTheInternet—GoodorBad?UnitKeywords&phrases:advantage,disadvantage,simple,coin,cause,less,aside,attack,web,steal,banking,properly,inseconds,faraway,asidefrom,takeupKeysentences:1.Peopleareabletoconnectandshareinformationinseconds.LearningTargetsKeywords&phrases:LearningT2.Ithelpsusgetthingsdonemorequickly.3.Andifafriendlivesfaraway,theInternetmakesiteasytostayintouch.4.Buteverycoinhastwosides.5.Spendingtoomuchtimeonlineisharmfultopeople’shealth.2.Ithelpsusgetthingsdone6.Itmayevencausethemtobelesssocialwithfamilyandfriends.7.Asidefromthat,somepeopleattacktheweb…8.TheInternetcanbeausefultool,butdon’tletittakeupallofyourtime.6.ItmayevencausethemtobWhatdoyoudoontheInternet?DoestheInternetmakelifesimple?LeadinWhatdoyoudoontheInternetWheredothesestudentslive?TheyliveinAfrica.WiththeInternet,wecouldmeettheminseconds.What’sthis?It’stheSouthPole.It’sfarawayfromus.ButtheInternetcaneventakeusthere.Wheredothesestudentslive?WIhaveafriendinAmerica.TheInternetmakeiteasyformetostayintouchwithher.Weneedmanythingsinlife.ButIdon’tliketogooutside,theInternetcangetitdonequickly.IhaveafriendinAmerica.WeEvery____hastwosides.Everythinghastwosides(_________or____________),soistheInternet.coinadvantagesdisadvantagesEvery____hastwosides.Advantages(優(yōu)點(diǎn)優(yōu)勢）

InmanywaystheInternetmakesourlifeeasyandsimple.Advantages(優(yōu)點(diǎn)優(yōu)勢）Inmanyw

Spendingtoomuchtimeonlineisharmfultopeople’shealth.Disadvantages:SpendingtoomuchDisadvantDisadvantages:ItmaycausepeopletobelesssocialwithfamilyandfriendsDisadvantages:ItmaycausepeoDisadvantages:Asidefrom(除此以外)that,Somepeopleattacktheweborstealothers’personalinformation,evenbankinginformation.SowemustusetheInternetproperly.Disadvantages:Asidefrom(除此以外)advantagedisadvantagesimplecoincauselessn.優(yōu)勢；有利條件n.缺點(diǎn)；不利因素adj.簡單的；簡明的n.

硬幣v.造成；引起adj.&adv.更少/小的(地)n.較少量；較小的部分Wordsandexpressionsadvantagen.優(yōu)勢；有利條件Wordsandeasideattackwebstealbankingproperlyadv.除…之外；在旁邊v.襲擊；損害n.網(wǎng)絡(luò)；網(wǎng)v.偷盜；竊取n.銀行業(yè)adv.正確地asideadv.除…之外；在旁邊insecondsfarawayasidefromtakeup在很短的時間內(nèi)遙遠(yuǎn)除此之外占用，占據(jù)；開始從事；接受（提議）insecondsfarawayasidefromWhyaresomeparentsworriedabouttheirkidsusingtheInternet?DoestheInternetmakelifesimpler?How?THINKABOUTITWhyaresomeparentsworriedaReadthelessonandfillinthetable.GoodthingsabouttheInternetBadthingsabouttheInternet1.Itmakeslifeeasierandsimpler.1.Spendingtoomuchtimeonlineisharmfultopeople’shealth.1Let’sDoIt!PresentationReadthelessonandfillinthGoodthingsabouttheInternetBadthingsabouttheInternet2.Ithelpsusgetthingsdonemorequickly.3.Itopensuptheworldtous.4.Itiseasytostayintouchwithfriends.2.Itcausesthemtobelesssocialwithfamilyandfriends.3.Somepeopleattacktheweborstealothers’personalinformation.GoodthingsabouttheInternetListentothedialogueandtickthecorrectanswers.WhatareLiMingandWangMeitalkingabout?Theirschoolproject.Theirhomework.√2Listentothedialogueand2.WhydoesWangMeithinktheInternetisgood?Shecanchatwithherfriendseasily.ShecanwatchTVprograms.3.LiMingthinkstheyshouldusetheInternet_______.carefullyandfreelyproperlyandcarefully√√2.WhydoesWangMeithinktheThefollowingarethethingsyoucandoontheInternet.TicktheonesthatyouthinkareOKforjuniorhighstudentsandgiveyourreasons.3ThefollowingarethethingsyE-mailwithfriendsandfamily.Chatonlinewithfriends.Downloaddocumentsfromstrangers.Writeblogs.E-mailwithstrangers.√√√E-mailwithfriendsandfamilyOpenattanchmentsfromstrangers.Send,receiveorpostphotoswithfriends.Playonlinegamesforawholeday.Downloadprograms.Stayonlineafter10:00p.m.√Openattanchmentsfromstrange1.Peopleareabletoconnectandshareinformationinseconds.

beabletodosth.意為“能,能夠”，主要指具體做某件事的能力，有人稱和時態(tài)的變化。情態(tài)動詞can也表示“能,會”，只有現(xiàn)在時can和過去時could兩種時態(tài)，沒有人稱變化。Languagepoints1.Peopleareabletoconnect例：Canyoucometomorrow?明天你能來嗎？Hesaidthatwecouldgotherebybus.他說我們可以乘公共汽車去那里。Willyoubeabletocometomorrow?明天你能來嗎？I’mabletodotheworkallbymyself.我能夠獨(dú)立做這項工作。例：Canyoucometomorrow?inseconds短時間內(nèi)；幾秒鐘之內(nèi)Youpressabuttonanditcomesoninseconds.你只要觸摸按鍵，它就會在幾秒內(nèi)啟動。inseconds短時間內(nèi)；幾秒鐘之內(nèi)2.Ithelpsusgetthingsdonemorequickly.

getsth.done“完成，做完某事”，通常由自己完成。此外，get/havesth.done還有“讓某人做某事”的意思。例：Iamgoingtoget/havemyhaircut.我要去剪發(fā)。2.Ithelpsusgetthingsdone3.Andifafriendlivesfaraway,theInternetmakesiteasytostayintouch.

“make+it+adj.(+forsb.)+todo”意為“使做某事變得……”。例：Theteachertriedtomakeitinterestingforthestudentstolearnmath.老師盡力使數(shù)學(xué)對學(xué)生們來說學(xué)起來有趣。3.Andifafriendlivesfarafaraway遙遠(yuǎn)的；在遠(yuǎn)處例：Suddenlytheyseemtobehearingsomethingfromfaraway.突然，他們似乎聽到什么聲音從遠(yuǎn)處傳來。Ifinishedcollegeandlivefarawayfromher.

我完成了大學(xué)的學(xué)業(yè)，住得離她很遠(yuǎn)。faraway遙遠(yuǎn)的；在遠(yuǎn)處4.

Buteverycoinhastwosides.

此句直譯為“每個硬幣都有兩面”。在寫作時，一般作名言使用。例：Asweknow,everycoinhastwosides.正如我們所知道的，凡事都有兩面性。Everycoinhastwosides,sodoestheInternet.凡事都有兩面性，因特網(wǎng)也是如此。4.Buteverycoinhastwoside5.Spendingtoomuchtimeonlineisharmfultopeople’shealth.

beharmfulto對……有害處例：Smokingcanbeharmfultoyourhealth.吸煙會對你的身體有害。Fruitjuicecanbeharmfultochildren’steeth.果汁可能損壞兒童的牙齒。5.Spendingtoomuchtimeonli6.Itmayevencausethemtobelesssocialwithfamilyandfriends.

cause意為“造成，使(發(fā)生)”，其后可直接跟造成的結(jié)果或發(fā)生的事情作賓語，也可跟雙賓語或接動詞不定式復(fù)合結(jié)構(gòu)作賓語。例：Smokingcancauselungcancer.吸煙可引發(fā)肺癌。Whatcausedhertocry?是什么使她哭了?6.Itmayevencausethemtob7.Asidefromthat,somepeopleattacktheweb…asidefrom除……以外例：Asidefromheadaches,heshowednosignsoflastingbraindamage.除了頭痛，沒有任何跡象表明他曾受過腦損傷。

7.Asidefromthat,somepeopl

8.TheInternetcanbeausefultool,butdon’tletittakeupallofyourtime.takeup占用（時間）；占據(jù)（空間）例：Thetabletakesuptoomuchroom.這張桌子太占地方。Iwon’ttakeupanymoreofyourtime.我不再占用你的時間了。8.TheInternetcanbeausef一、根據(jù)漢語意思完成句子。Inthiseconomyyouneedevery__________(優(yōu)勢).2.Theproblemisbynomeansas_______(簡單的)aswefirstthought.3.Thismayallseemlikeadistantdream,butitisnotso____________(遙遠(yuǎn)的).advantagesimplefarawayExercises一、根據(jù)漢語意思完成句子。Inthiseconomy4.Youcancontactinformationsoyoucan_________________(保持聯(lián)系).5.Asapopularsayinggoes,every_____(硬幣)hastwosides.6.Televisioncanalsobe__________(有害的)tous.stayintouchcoinharmful4.Youcancontactinformation7.

What_______(導(dǎo)致)theillness?8.He__________(占用)toomuchtimetoplaycomputergameseveryday.9.___________（除此之外）beingfunandgoodexercise,swimmingisaveryusefulskill．

causestakesupAsidefrom7.What_______(導(dǎo)致)theillne二、漢譯英。

整個操作在數(shù)秒鐘內(nèi)完成。Thewholeoperationwasoverinseconds.2.我們會堅持不懈，直到這項工作完成。Wewillstayonituntilwegetthejobdone.3.請記住一切都有對立面。Pleaserememberthateverycoinhastwosides.二、漢譯英。整個操作在數(shù)秒鐘內(nèi)完成。4.

練習(xí)使學(xué)好英語變得容易。PracticemakesiteasytolearnEnglishwell.5.花太多時間玩電腦對孩子的眼睛有害。Spendingtoomuchtimeonplayingcomputergamesisharmfultochildren’seyes.6.別讓睡覺占用你太多的時間。Don’tletsleeptakeuptoomuchofyourtime.4.練習(xí)使學(xué)好英語變得容易。Summary1.Learnsomenewwordsandexpressions.2.BeabletounderstandthepassageabouttheInternet.3.LearnsomeusefulwordsandexpressionsabouttheadvantagesanddisadvantagesoftheInternet.Summary1.LearnsomenewwordsHomeworkWriteapassagetotalkabouttheadvantagesanddisadvantagesoftheInternet.(50-100words)HomeworkWriteapassagetotalTheInternet—GoodorBad?Unit4TheInternetConnectsUsTheInternet—GoodorBad?UnitKeywords&phrases:advantage,disadvantage,simple,coin,cause,less,aside,attack,web,steal,banking,properly,inseconds,faraway,asidefrom,takeupKeysentences:1.Peopleareabletoconnectandshareinformationinseconds.LearningTargetsKeywords&phrases:LearningT2.Ithelpsusgetthingsdonemorequickly.3.Andifafriendlivesfaraway,theInternetmakesiteasytostayintouch.4.Buteverycoinhastwosides.5.Spendingtoomuchtimeonlineisharmfultopeople’shealth.2.Ithelpsusgetthingsdone6.Itmayevencausethemtobelesssocialwithfamilyandfriends.7.Asidefromthat,somepeopleattacktheweb…8.TheInternetcanbeausefultool,butdon’tletittakeupallofyourtime.6.ItmayevencausethemtobWhatdoyoudoontheInternet?DoestheInternetmakelifesimple?LeadinWhatdoyoudoontheInternetWheredothesestudentslive?TheyliveinAfrica.WiththeInternet,wecouldmeettheminseconds.What’sthis?It’stheSouthPole.It’sfarawayfromus.ButtheInternetcaneventakeusthere.Wheredothesestudentslive?WIhaveafriendinAmerica.TheInternetmakeiteasyformetostayintouchwithher.Weneedmanythingsinlife.ButIdon’tliketogooutside,theInternetcangetitdonequickly.IhaveafriendinAmerica.WeEvery____hastwosides.Everythinghastwosides(_________or____________),soistheInternet.coinadvantagesdisadvantagesEvery____hastwosides.Advantages(優(yōu)點(diǎn)優(yōu)勢）

InmanywaystheInternetmakesourlifeeasyandsimple.Advantages(優(yōu)點(diǎn)優(yōu)勢）Inmanyw

Spendingtoomuchtimeonlineisharmfultopeople’shealth.Disadvantages:SpendingtoomuchDisadvantDisadvantages:ItmaycausepeopletobelesssocialwithfamilyandfriendsDisadvantages:ItmaycausepeoDisadvantages:Asidefrom(除此以外)that,Somepeopleattacktheweborstealothers’personalinformation,evenbankinginformation.SowemustusetheInternetproperly.Disadvantages:Asidefrom(除此以外)advantagedisadvantagesimplecoincauselessn.優(yōu)勢；有利條件n.缺點(diǎn)；不利因素adj.簡單的；簡明的n.

硬幣v.造成；引起adj.&adv.更少/小的(地)n.較少量；較小的部分Wordsandexpressionsadvantagen.優(yōu)勢；有利條件Wordsandeasideattackwebstealbankingproperlyadv.除…之外；在旁邊v.襲擊；損害n.網(wǎng)絡(luò)；網(wǎng)v.偷盜；竊取n.銀行業(yè)adv.正確地asideadv.除…之外；在旁邊insecondsfarawayasidefromtakeup在很短的時間內(nèi)遙遠(yuǎn)除此之外占用，占據(jù)；開始從事；接受（提議）insecondsfarawayasidefromWhyaresomeparentsworriedabouttheirkidsusingtheInternet?DoestheInternetmakelifesimpler?How?THINKABOUTITWhyaresomeparentsworriedaReadthelessonandfillinthetable.GoodthingsabouttheInternetBadthingsabouttheInternet1.Itmakeslifeeasierandsimpler.1.Spendingtoomuchtimeonlineisharmfultopeople’shealth.1Let’sDoIt!PresentationReadthelessonandfillinthGoodthingsabouttheInternetBadthingsabouttheInternet2.Ithelpsusgetthingsdonemorequickly.3.Itopensuptheworldtous.4.Itiseasytostayintouchwithfriends.2.Itcausesthemtobelesssocialwithfamilyandfriends.3.Somepeopleattacktheweborstealothers’personalinformation.GoodthingsabouttheInternetListentothedialogueandtickthecorrectanswers.WhatareLiMingandWangMeitalkingabout?Theirschoolproject.Theirhomework.√2Listentothedialogueand2.WhydoesWangMeithinktheInternetisgood?Shecanchatwithherfriendseasily.ShecanwatchTVprograms.3.LiMingthinkstheyshouldusetheInternet_______.carefullyandfreelyproperlyandcarefully√√2.WhydoesWangMeithinktheThefollowingarethethingsyoucandoontheInternet.TicktheonesthatyouthinkareOKforjuniorhighstudentsandgiveyourreasons.3ThefollowingarethethingsyE-mailwithfriendsandfamily.Chatonlinewithfriends.Downloaddocumentsfromstrangers.Writeblogs.E-mailwithstrangers.√√√E-mailwithfriendsandfamilyOpenattanchmentsfromstrangers.Send,receiveorpostphotoswithfriends.Playonlinegamesforawholeday.Downloadprograms.Stayonlineafter10:00p.m.√Openattanchmentsfromstrange1.Peopleareabletoconnectandshareinformationinseconds.

beabletodosth.意為“能,能夠”，主要指具體做某件事的能力，有人稱和時態(tài)的變化。情態(tài)動詞can也表示“能,會”，只有現(xiàn)在時can和過去時could兩種時態(tài)，沒有人稱變化。Languagepoints1.Peopleareabletoconnect例：Canyoucometomorrow?明天你能來嗎？Hesaidthatwecouldgotherebybus.他說我們可以乘公共汽車去那里。Willyoubeabletocometomorrow?明天你能來嗎？I’mabletodotheworkallbymyself.我能夠獨(dú)立做這項工作。例：Canyoucometomorrow?inseconds短時間內(nèi)；幾秒鐘之內(nèi)Youpressabuttonanditcomesoninseconds.你只要觸摸按鍵，它就會在幾秒內(nèi)啟動。inseconds短時間內(nèi)；幾秒鐘之內(nèi)2.Ithelpsusgetthingsdonemorequickly.

getsth.done“完成，做完某事”，通常由自己完成。此外，get/havesth.done還有“讓某人做某事”的意思。例：Iamgoingtoget/havemyhaircut.我要去剪發(fā)。2.Ithelpsusgetthingsdone3.Andifafriendlivesfaraway,theInternetmakesiteasytostayintouch.

“make+it+adj.(+forsb.)+todo”意為“使做某事變得……”。例：Theteachertriedtomakeitinterestingforthestudentstolearnmath.老師盡力使數(shù)學(xué)對學(xué)生們來說學(xué)起來有趣。3.Andifafriendlivesfarafaraway遙遠(yuǎn)的；在遠(yuǎn)處例：Suddenlytheyseemtobehearingsomethingfromfaraway.突然，他們似乎聽到什么聲音從遠(yuǎn)處傳來。Ifinishedcollegeandlivefarawayfromher.

我完成了大學(xué)的學(xué)業(yè)，住得離她很遠(yuǎn)。faraway遙遠(yuǎn)的；在遠(yuǎn)處4.

Buteverycoinhastwosides.

此句直譯為“每個硬幣都有兩面”。在寫作時，一般作名言使用。例：Asweknow,everycoinhastwosides.正如我們所知道的，凡事都有兩面性。Everycoinhastwosides,sodoestheInternet.凡事都有兩面性，因特網(wǎng)也是如此。4.Buteverycoinhastwoside5.Spendingtoomuchtimeonlineisharmfultopeople’shealth.

beharmfulto對……有害處例：Smokingcanbeharmfultoyourhealth.吸煙會對你的身體有害。Fruitjuicecanbeharmfultochildren’steeth.果汁可能損壞兒童的牙齒。5.Spendingtoomuchtimeonli6.Itmayevencausethemtobelesssocialwithfamilyandfriends.

cause意為“造成，使(發(fā)生)”，其后可直接跟造成的結(jié)果或發(fā)生的事情作賓語，也可跟雙賓語或接動詞不定式復(fù)合結(jié)構(gòu)作賓語。例：Smokingcancauselungcancer.吸煙可引發(fā)肺癌。Whatcausedhertocry?是什么使她哭了?6.Itmayevencausethemtob7.Asidefromthat,somepeopleattacktheweb…asidefrom除……以外例：Asidefromheadaches,heshowednosignsoflastingbraindamage.除了頭痛，沒有任何跡象表明他曾受過腦損傷。

7.Asidefromthat,somepeopl

8.TheInternetcanbeausefultool,butdon’tletittakeupallofyourtime.takeup占用（時間）；占據(jù)（空間）例：Thetabletakesuptoomuchroom.這張桌子太占地方。Iwon’ttakeupanymor