八年英语下册UNIT8AGREENWORLDWELETOTHEUNIT课件

WarmingupDidyouknowthatallaroundtheworld,3to6billiontreesarecutdowneachyear?Haveyoueverplantedatree?

toprotectnature[prə’tekt]

保护Newwords&phrasesdigvt.&vi.挖(洞，沟等)seriousadj.认真的，严肃的breadfruitn.面包果turnoff关上（开关）e.g.Wecansaveenergybyturningoff

thelightswhenweleave.recyclevt.回收利用，循环利用e.g.Wecanprotecttheenvironmentbyrecyclingthings.wiseadj.明智的，充满智慧的e.g.Theprofessorisverywise.

这名教授充满智慧。causevt.导致；造成e.g.Humanpollutioncausesglobalwarming.

人为污染导致全球变暖。takeashowere.g.Wecansavewaterbytakingshortershower.Role-playWhatareyougoingtodo,Hobo?Planttrees.Willmoretreesbeplantedthisyear?Yes.Treesaregoodforus.OK.I’llgowithyou.Ilikedigginginthegarden.Areyouserious?Sure.I’llplantbreadfruittrees.Breadfruit…Yummy!

1.WhatisHobogoingtodo?2.Willmoretreesbeplantedthisyear?3.WhatdoesEddielikedoing?4.WhatwillEddieplant?Heisgoingtoplanttrees.Yes.Treesaregoodforus.Helikesdigginginthegarden.Hewillplantbreadfruittrees.Theclass1,Grade8studentsaretalkingaboutwaystoliveagreenlife.Lookatthepicturesbelowandmatchthemwiththecorrectsentences.AgreenlifeHowtoliveagreenlife?bybyWecan

saveenergyreduceairpollutionbybyWecan

thewatertoflushthetoilet.Wecanturnoffthetap

.Don’tleavethetaponwhen

.reuseWecan

whenwashinghandswithsoap.turnoffthetapbrushingteethtightlyUnplug(拔掉)

thecharger(充电器)for

whenitisnotinuse.TVmobilephoneTurnoffthe.lightsTurnoffthepowerof,

andsoonwhentheyarenotinuse.publictransportItiswiseforpeopletotakepublictransport.

buscoach

trainundergroundb.Wecansavewaterbytakingshortershowers.c.Wecansaveenergybyturningoffthelightswhenweleavearoom.d.Wecanprotecttheenvironmentbyrecyclingwaste.Listenandanswer1.HowdidKittygotoschoolinthepast?2.Whataboutnow?3.WhatdoesMilliethinksheshoulddotoliveagreenlife?Herfatherusedtodrivehertoschool.Theytaketheundergroundnow.Shethinksit’swiseforpeopletochoosepublictransportandridebicycles.

4.WhataboutDaniel?5.WhataboutSandy?Hethinkswecantakeshortershowerstosavewater.Shethinksweshouldremembertoturnoffthelightswhenweleavearoom.Readtheconversationaftertherecorder.PairworkA:Whatshouldwedotoliveagreenlife?B:…usedto…,butnow…A:Iagree.It’swisefor…B:Ithink…A:Yes…Languagepoints1.Whatareyougoingtodo?你打算做什么？句中begoingtodosth.意思是“打算、计划做某事”。

e.g.IamgoingtoplanttreesthisSunday.

我打算这个星期天去植树。

Heisgoingtoseeafilmnextweekend.

他打算下个周末去看电影。2.Willmoretreesbeplantedthisyear?

今年更多的树将会被种植吗？

句中willbeplanted意思是“将会被种植”，“willbe+动词的过去分词”是一般将来时的被动语态。

e.g.Thepandawillbesenttothezootomorrow.

这只大熊猫明天将被送到动物园。将下列句子改为被动语态。1)Hisfatherwillmendhisbike.__________________________________2)Johndidn’tfinishthehomework.__________________________________3)DidMikewatchthenewmovieyesterday?____________________________________________________________________Hisbikewillbemendedbyhisfather.ThehomeworkwasnotfinishedbyJohn.WasthenewmoviewatchedbyMikeyesterday?e.g.Wecanprotecttheenvironmentby recyclingthings.

我们可以通过回收利用东西来保护环境。

Wecansaveenergybyturningoffthe lights.

我们可以通过关灯来节约能源。“drivesb.+地点副词/to+地点名词”意为“驾车送某人去某地”。drivetosp.=gotosp.bycar意思是“开车去某地”。

e.g.Canyoudrivemetothetrainstation?

你可以开车把我送到火车站吗？

Myfriendsoftendrivetowork.=Myfriendsoftengotoworkbycar.

我的朋友们经常开车去上班。5.It’swiseforpeopletochoosepublictransportorridebicycles.对人们来说选择公共交通或骑自行车是明智的。

Itis+adj.+forsb.+todosth.意思是“对某人来说做什么事情怎么样”。常用于此句型的形容词有important,difficult,dangerous,necessary,useful,possible等，用来对todosth.进行说明，此句型可以转换成Todosth.is+adj.。

e.g.Itisveryimportantforstudentsto

learnEnglishwell.

对学生们来说学好英语是很重要的。Itis+adj.+of

+sb.+todosth.，常用于此句型的形容词有good,kind,nice,clever,wise等，用来对sb.的性格、品质等进行说明，将这个句型中的sb.和adj.提出来可以造句为sb.+be+adj.。e.g.你这样说真是太好了。

It’sverykindofyoutosayso.根据汉语提示写单词。1.Ishe________(严肃的)?2.Wecan________(减少)airpollution byridingbicycles.3.Heis________(挖洞)inthegarden.4.Wecan________(回收利用)oldthings.5.Itis____(明智的)of