Unit 1 Nature in the balance Welcome to the unit Reading 课件 高一下学期英语译林版必修第三册

Unit1

NatureinthebalanceWelcometotheunit&Reading(I)Letusknow,however,flatterourselvesovermuchonaccountofourhumanvictoriesovernature.Foreachsuchvictorynaturetakesitsrevengeonus.——FriedrichEngels但是我们不要过分陶醉于我们人类对自然界的胜利。对于每一次这样的胜利，自然界都对我们进行报复。——弗里德里希·恩格斯Watchthevideoabouthumanandnature.Workinpairs.Sharehowyoufeelabouttheworldwe’relivingin.Thehumanracehasdonemuchharm.Wehavepollutedoursoilsandseas,Andcutdowntoomanytrees.Nowisthetimetosoundthealarm.Wewanttoliveinaworldthat’sclean;Wewanttoliveinaworldofgreen.Thehumanracehasdonemuchharm;Nowisthetimetosoundthealarm.Whataretherhymingwordsinthissong?Let’sbethankfulfortheskiesabove;Let’splantnewtreesandstoppollution;Let’sworktogethertofindthesolution;TheEarth’sourhometoprotectandlove.Wewanttoliveinaworldthat’sclean;Wewanttoliveinaworldofgreen.Let’sbethankfulfortheskiesabove;TheEarth’sourhometoprotectandlove.Discussthefollowingquestionsinpairs.1.Whatisthemessageofthesong?2.Whatcanyoudotohelpprotecttheenvironment?

HumanshavedonemuchharmtotheEarth,andwehavetotakeactiontochangethissituation.

Wecanuselesspaperandfewerplasticbottlesandbags.Cuttingdownonelectricityusagecanalsohelpreducetheairpollutionthatpowerstationscreate.Pre-readingTheAmazonrainforest:

anaturaltreasureWhatdoyouthinkthisscriptisabout?While-readingMatchthemainideaofeachparagraph.Para1Para2Para3Para4Para5BasicinformationabouttherainforestTherainforest’svaluetothehumanrace;threatstotherainforestIntroductiontotheAmazonrainforestPlantbiodiversity：levelsoftherainforest（plants）Animalbiodiversity：foodchain（birdsandanimals）What’sthefunctionofParagraph1?A.ToemphasizetheimportanceoftheAmazonrainforest.B.ToexplainwhytheAmazonrainforestisanaturaltreasure.C.TostatethestatusoftheAmazonrainforest:thelargestrainforest.D.Toleadintothefollowingparagraphs.IntroductionAsthelargestrainforestintheworld,itplaysasignificantroleinmaintainingthefinebalanceoftheEarth’secosystem.

Para.1Readandanswerthequestion.6,4006million8Para.2Listenandfillintheblankswithfigures.Para.3Readandcompletethemindmap.Theforest’sdifferentlevelsPara.4Readandfinishthefoodchain.atleast87species,includingfrogsleavesandfruitmicroorganismsfeedon

breakdownfeedon

feedon

getnutrientsinsectstheforest’sfoodchain①②③⑤④jaguarsPara.5Readandfillingaps.SignificanceTheAmazonrainforest__________

________theplanetbyfixingcarbonandproducingover20percentofalltheEarth’soxygen.Moreover,theAmazonrainforestisa_______________________thatcanbeusedforfoodormedicine.DangerOverthepast50years,about17percentoftherainforesthasdisappeareddueto_________________suchasagricultureandcattlefarming.Amazonrainforestbreatheslifeinto

treasurehouseofspecieshumanactivities请写一封倡议书，呼吁大家关注亚马孙雨林的现状并予以保护。内容包括如下要点:1.亚马孙雨林的现状和重要性；2.提出建议。Dearfriends,Iamwritingtocalloneveryonetopayattentiontotheprotectionoftherainforest._______________________________________________________________________________________________Let’stakeactiontoprotecttherainforestnow.Thankyou!Students’Uniongroupwork

Workinagroupoffour:OnestudentforpresentsituationOnestudentforimportanceOnestudentformeasuresOnestudentforpresentationGradeandgoal要点词汇格式逻辑要点格式句型词汇逻辑要点格式创新句型词汇1513-159-126-93-60-3PrimaryMiddleAdvancedAssignment1.Compulso