Unit3词汇复习课件-沪教版英语七年级下册

1.beimportantto2.takein3.harmfulgases4.produceoxygen5.breathe6.providesthforsb=providesbwithsth7.keeptheaircoolandclean8.makeourlivesmoreconvenient9.bemadeof10.furniture11.silentfriends12.complain13.tobeginwith14.comefrom1.对....重要2.吸收3.有害气体4.产生氧气5.呼吸6.为某人提供某物7.保持空气凉爽和清洁8.使我们的生活更加方便9.由...制成10.家具11.沉默的朋友12.抱怨13.首先14.来自关于树的重要性的短语1.beimportantto2.takein3.harmfulgases4.produceoxygen5.breathe6.providesthforsb=providesbwithsth7.keeptheaircoolandclean8.makeourlivesmoreconvenient9.bemadeof10.furniture11.silentfriends12.complain13.tobeginwith14.comefrom1.对....重要2.吸收3.有害气体4.产生氧气5.呼吸6.为某人提供某物7.保持空气凉爽和清洁8.使我们的生活更加方便9.由...制成10.家具11.沉默的朋友12.抱怨13.首先14.来自1.beimportantto2.takein3.harmfulgases4.produceoxygen5.breathe6.providesthforsb=providesbwithsth7.keeptheaircoolandclean8.makeourlivesmoreconvenient9.bemadeof10.furniture11.silentfriends12.complain13.tobeginwith14.comefrom1.对....重要2.吸收3.有害气体4.产生氧气5.呼吸6.为某人提供某物7.保持空气凉爽和清洁8.使我们的生活更加方便9.由...制成10.家具11.沉默的朋友12.抱怨13.首先14.来自Savethetrees1._____________2._____3.__________

4.____________produceharmfulgasesfromtheairoxygenforustobreathephotosynthesis光合作用takein

v.v.Treescankeeptheaircoolandclean.树可以使空气凉爽并净化空气1.Manyofthethingscomefromtrees,forexample,paperandpencils.2.Wegetfruit,oilandteafromtrees.3.Alotoffurniture

ismadeofwood.oilwecanuseittocookfoodHowdotreesmakeourlivesmoreconvenient?furniturepaperpencilsfruitTheynevercomplain!TodayisTreePlantingDay,andwearegoingtofocusonthemanybenefitsoftrees!Wedonotoftenthinkaboutthetreesaroundus.Theyares________.Theydon'tcomplain,nomatterhowwetreatthem.However,treesareveryi_________foralllivingthingsonthisplanet,soweshouldbekindtothem.Tob____with,they______________________（给我们提供氧气）andcleantheairforus.Treesalsomakeourdailyliveseasierandmorec___________Forexample,weusethewoodfromtreestomakef_________.Wealsouseittop________paper.Inshort,wecannotlivewithouttrees.provideuswithoxygensilentimportantbeginconvenientfurnitureproduce1.首先，树可以吸收温室气体并释放氧气。______________,treescan________greenhousegasesand___oxygen.2.环顾一下四周，很多东西是用木头做成的。Lookaround,manythings____________wood.3.森林是动物、昆虫的家园，同时给我们提供很多美味的水果。Forestsarehometoanimansandinsectsand____________alotofdeliciousfruits.4.树可以使我们的生活更便利。Treescan______ourlives_____________.5.在夏天，树可以给我们提供树荫。Insummer,treescan_____shade_____us.Insummer,treescan_____us_____shade.TobeginwithtakeinproducearemadeofprovideuswithmakemoreconvenientprovideforprovidewithWehumanscutdownover

15billion(十亿)trees

everyyear.Imagine:WhatwillhappeniftherearenotreesonEarth?nofoodnohomeharmfulgasesnofurnitureWhatwillhappeniftherearenotreesontheEarth?Inaword,wecan’tlivewithouttrees.Whatshouldwedotoprotectthetreesinourdailylives?Brainstorm:plantmoretreeswriteontwosidesofpaperusefewerpencilsusefewerthrowawaychopsticks（一次性筷子）takegoodcareofourdesksandchairsThesesentencepatternsyoucanuse:

1.Weshould...2.Whynotdo...?3.We’dbetterdo...4.It’shelpfulto...5.Itisimportantto.........1.Weshould...2.Whynotdo...?3.We’dbetterdo...4.It’shelpful/importantto...5.it’sourdutytodo...6.writeontwosidesofpaper7.usefewerpencils8.throwawaychopsticks9.takegoodcareof10.takeaction1.我们应该...2.为什么不做...?3.我们最好做...4.做....是有帮助的/重要的5.做....是我们的职责6.在纸的两面写字7.使用更少的铅笔8.一次性筷子9.照顾好10.采取行动关于保护树的短语1.Weshould...2.Whynotdo...?3.We’dbetterdo...4.It’shelpful/importantto...5.it’sourdutytodo...6.writeontwosidesofpaper7.usefewerpencils8.throwawaychopsticks9.takegoodcareof10.takeaction1.我们应该...2.为什么不做...?3.我们最好做...4.做....是有帮助的/重要的5.做....是我们的职责6.在纸的两面写字7.使用更少的铅笔8.一次性筷子9.照顾好10.采取行动1.Weshould...2.Whynotdo...?3.We’dbetterdo...4.It’shelpful/importantto...5.it’sourdutytodo...6.writeontwosidesofpaper7.usefewerpencils8.throwawaychopsticks9.takegoodcareof10.takeaction1.我们应该...2.为什么不做...?3.我们最好做...4.做....是有帮助的/重要的5.做....是我们的职责6.在纸的两面写字7.使用更少的铅笔8.一次性筷子9.照顾好10.采取行动

Helloeveryone.TreePlantingDayiscoming.Weallknowthattreesareveryimportantous.Theytakeingreenhousegasesandprovideoxygenforustobreathe.Weshouldtryourbesttoprotecttrees.

Tobeginwith,______________________(我们应该种植更多的树）.Theycanmakeourenvironmentcleanerandmorebeautiful.Next,_______________________________(为什么不用纸的两面呢）What'smore,___________________________.(我们最好用更少的铅笔）.Finally,__________________________________________(使用更少的一次性筷子也是有用的）.Asjuniorhighschoolstudents,____________________________________________(保管好我们的桌椅是我们的职责）.Let's_____________(采取行动）now.weshouldplantmoretreeswhynotwriteontwosidesofpaper？wehadbetterusefewerpencils.itisalsousefultousefewerthrowawaychopsticksit’sourdutytotakegoodcareofourdesksandchairstakeactionHelloeveryone.TreePlantingDayiscoming.Weallknowthattreesareveryimportantous.Theytakeingreenhousegasesandprovideoxygenforustobreathe.Weshouldtryourbesttoprotecttrees.

Tobeginwith,weshouldplantmoretrees.Theycanmakeourenvironmentcleanerandmorebeautiful.Next,whynotwriteontwosidesofpaper.What'smore,wehadbetterusefewerpencils.Finally,itisalsousefultousefewerthrowawaychopsticks.Asjuniorhighschoolstudents,it’sourdutytotakegoodcareofourdesksandchairs.Let'stakeactionnow.1.beimportantto2.takein3.harmfulgases4.produceoxygen5.breathe6.provide