Unit 7 Protect the Earth(Cuture time;Gammer time;Fun time)Readandanswer1.Whythewaterisuseful?2.Howshouldwesaveenergy?3.Whatcantreeshelpustodo?4.Whatweuseplastictodo?How to protect the Earth?We should save waterWe should save energyHow to protect the Earth?We should not cut too many treesWe should not use plastic bagsWorld Water DayItson22thMarch.EnergyDayItson1stNovember.Mostofourenergycomesfromcoalandoil.ThereisnotmuchcoaloroilonEarth.Weshouldsaveenergy.Weshouldnotdrivesomuchbecausecarsusealotofenergy.? ?NoPlasticDayItson8thOctober.Weuseplastictomakebagsandbottles,buttoomuchplasticisbadfortheEarth.Weshouldnotusetoomanyplasticbagsorbottles.Weshouldusepaperbagsandglassbottles.? ?NoPlasticDayItson8thOctober.Weuseplastictomakebagsandbottles,buttoomuchplasticisbadfortheEarth.Weshouldnotusetoomanyplasticbagsorbottles.Weshouldusepaperbagsandglassbottles.Why?NoPlasticDayItson8thOctober.Weuseplastictomakebagsandbottles,buttoomuchplasticisbadfortheEarth.Weshouldnotusetoomanyplasticbagsorbottles.Weshouldusepaperbagsandglassbottles.Why?NoPlasticDayItson8thOctober.Weuseplastictomakebagsandbottles,buttoomuchplasticisbadfortheEarth.Weshouldnotusetoomanyplasticbagsorbottles.Weshouldusepaperbagsandglassbottles.Why?How?NoPlasticDayItson8thOctober.Weuseplastictomakebagsandbottles,buttoomuchplasticisbadfortheEarth.Weshouldnotusetoomanyplasticbagsorbottles.Weshouldusepaperbagsandglassbottles.Why?How?Grammar time1.should的用法的用法weshould/shouldntdo2.use的用法的用法useto运用时要注意运用时要注意什么语法知识点什么语法知识点呢？呢？Readandfind情态动词情态动词 should should 在本课中表示在本课中表示 “应该，必须应该，必须”，用于表示用于表示忠告、建议忠告、建议等。等。例如：例如： You should drink some hot tea with honey. 你你应该应该喝些蜂蜜茶。喝些蜂蜜茶。She is tired. She should go to bed early.她累了，她她累了，她应该应该早点睡觉。早点睡觉。情态动词情态动词 should 的用法的用法与情态动词与情态动词 can 一样，一样，should 的否定形的否定形式式为为should + not或或shouldnt；在；在疑问句疑问句中中， should 放在主语前放在主语前，should 没有人没有人称和数的变化称和数的变化。例如：。例如：You should drink water.You should not = (shouldnt) drink water.Should you drink water?Yes, you should./No, you shouldnt.Weuseto.watercoaloilwoodplastic1.Readandchoose.看图文，快选择。看图文，快选择。2.Standupandsay.看组号，齐起立，说句子。看组号，齐起立，说句子。Activity1:LookandrespondWe use water to wash clothes.We use water to wash fruits.We use woods to build a house.We use plastic to make a bottle.We use computers to surf the Internet.watercoaloilwoodplastic5 5Activity1:LookandrespondWeusetomakebottles.watercoaloilwoodplasticWeusetowashclothes.2 2Activity1:LookandrespondwatercoaloilwoodplasticWeusetomakeelectricity.4 4电力Activity1:LookandrespondwatercoaloilwoodplasticWeusetomaketablesandchairs.6 6Activity1:LookandrespondwatercoaloilplasticWeusetorunourcars.3 3Activity1:LookandrespondwoodActivity1:LookandrespondDiscussandwrite小组讨论，写一写小组讨论，写一写Activity2:DiscussandreportWeshould/shouldnot.Weshould/shouldnot.Shareandcorrect小组按序轮换小组按序轮换阅读并完善阅读并完善归还原组归还原组Activity2:DiscussandreportWeshould/shouldnot.Showandreport小组汇报小组汇报Activity2:Discussandreportsuggestions建议建议.DayItson.Weuse.to.Weshould/shouldnot.Icanuse“useto”.Icanuse“should/shouldnot”.Icanwriteallcorrectly.书写正确。书写正确。What?When?Why?How?同桌互评同桌互评1.1.循循环再利用，制作小物品；再利用，制作小物品；2.正确运用正确运用useto和和should/shouldnot,完成完成补充充习题P33D部分；部分；3.利用我利用我们共同制作的海共同制作的海报，号召，号召更多的人写下自己的更多的人写下自己的环保心愿。保心愿。IknowIfeelIknowAutonomiclearningCooperativelearningAwarenessofprotectingtheEarthAwarenessofprotectingtheEarthThankyou!