Unit7ProtecttheearthPeriod4nowmanyyearsagoShowtimeTheearthisourhome.

Let’sprotecttheEarth.Let’ssaveourhome.TogetherwecanmakeadifferenceWhatshouldwedo?ProtecttheEarth？？？？Waterisuseful!Weshouldsave________and_________water.water

reuse

Weshouldnot_______water.waste有用的savewaterBrainstormingWhatcanwedo

withwatercoaloilwoodPlastic...?Weuse…

to…Weuse

torunourcars.3Weuse

towashclothes.2Wecanreusewater.

reuse再利用Flushthetoilet

Wecan’tlivewithout

water.沒(méi)有水我們就不能生活！Whatshouldwedo?ProtecttheEarth？？？savewaterWeshouldsave________.

energy

Weshouldnot_______somuch.driveEnergyislimited!有限的saveenergyTips:修飾不可數(shù)名詞

eg:somuchmilkWhatshouldwedo?ProtecttheEarth？？savewatersaveenergyWeshouldsave________.trees

Weshouldnot____________somanytrees.

cutdown

savetreesTips:修飾可數(shù)名詞

eg:somanyapplesTreesareimportant!重要的Whatshouldwedo?ProtecttheEarth？savewatersaveenergysavetreestWeshoulduse________bagsandglassbottles.paper

Weshouldnotusetoomany________bagsorbottles.plastic

Plasticispollution!污染

Weshould...

savewater，saveenergy，savetrees...

Weshouldn't...usetoomuchplasticcutdowntoomanytreeswastewater...Whatshouldwedo?Whatshouldtheynotdo?

（完成課本76頁(yè)）Heshouldnot_______intherestaurant.12Theyshouldnot_______inthepark.43Theyshouldnot_____________________.Theyshouldnot_________________intheriver.smokelittercutdowntoomanytreesputrubbishWhatshouldtheynotdo?Theyshouldnot_______inthelibrary.56Theyshouldnot_________________________.talkusetoomanyplasticbagsTips:should和shouldnot后面加動(dòng)詞原形。Whatshouldtheynotdo?Playagame游戲規(guī)則：每人抽取一張卡片，按卡片內(nèi)容用Weshould…造一句倡議口號(hào)。如果口號(hào)正確，其他同學(xué)說(shuō)“Yes,Yes,Yes!Weshould…”,抽卡片者則成為合格志愿者，得到志愿者標(biāo)簽一枚，課后可憑標(biāo)簽加入志愿者QQ群哦！如果錯(cuò)誤，則說(shuō)“No,No,No!Weshouldnot…”trytobevolunteers（成為志愿者吧?。￤eshouldsavewater,Weshouldnotwastewater!

Weshouldsavetrees,Weshouldnotcutdowntrees!Weshouldsaveenergy，

Weshouldnotdrivesomuch！

Weshouldprotecttheearth，

Weshouldnotusetoomuchplastic！Let'ssay!ThinkandwriteDearhumanbeings:

TheEarthisourhome.Weshould

tryourbesttoprotectit.ToprotecttheEarth,weshouldToprotecttheEarth,weshouldnotYourssincerely檢測(cè)反饋：閱讀短文，判斷正“T”誤“F”WehaveonlyoneEarth.Wegetland(土地)，airandwaterfromtheearth.Weshouldtakecareofthesethings.Weshouldkeepthemclean.Farmersgrowfoodonland.Foodfromdirtylandisbadforus.Weshouldkeepthelandclean.Wecannotbuildtoomanyhouses.ThereisnotmuchlandonEarthforfarming.Weshouldsaveland.Weallneedwater.Wecannotlivewithoutwater.Wedrinkitanduseittodomanythings.Butthereisnotmuchwaterinmanyplaces.Insomeplaces,dirtywaterfromfactoriespollutes(污染)therivers.Somepeoplewastewater.Weshouldtakecareoftheairtoo.Weneedcleanairtolive.(T)1.ThereisonlyoneEarth.(T)2.Weshouldkeeptheland,theairandthewaterclean.(F)3.Weshouldnotuseland.(T)4.Peoplehavedirtywaterinsomeplaces.(T)5.Thispassage(文章)isabouthowtoprotecttheearth.Homework設(shè)計(jì)一個(gè)節(jié)日，讓更多的人知道要保護(hù)地球！EnergyDayIt’son1stNovember.Mostofourenergycomesfromcoalandoil.ThereisnotmuchcoaloroilonEarth.Weshouldsaveenergy.Weshouldnotdrivesomuchbecausecarsusealotofenergy.?NoPlasticDayIt’son8thOctober.Weuseplastictomakebagsandbottles,buttoomuchplasticisbadfortheEarth.Weshouldnotusetoomanyplasticbagsorbottles.Weshouldusepaperbagsandglassbottles.?NoPlasticDayIt’son8thOctober.Weuseplastictomakebagsandbottles,buttoomuchplasticisbadfortheEarth.Weshouldnotusetoomanyplasticbagsorbottles.Weshouldusepaperbagsandglassbottles.Why?NoPlasticDayIt’son8thOctober.Weuseplastictomakebagsandbottles,buttoomuchplasticisbadfortheEarth.Weshouldnotusetoomanyplasticbagsorbottles.Weshouldusepaperbagsandglassbottles.Why?NoPlasticDayIt’son8thOctober.Weuseplastictomakebagsandbottles,buttoomuchplasticisbadfortheEarth.Weshouldnotusetoomanyplasticbagsorbottles.Weshouldusepaperbagsandglassbottles.Why?How?NoPlasticDayIt’son8thOctober.Weuseplastictomakebagsandbottles,buttoomuchplasticisbadfortheEarth.Weshouldnotusetoomanyplasticbagsor