Unit 1 Reading 導(dǎo)學(xué)案-高中英語牛津譯林版（2020）必修第三冊

崇德尚美崇德尚美格物致知高一年級英語導(dǎo)學(xué)案（學(xué)生版）編號：年級高一時(shí)間單元B3U1主備人鄒妍課型新授課課題Reading課時(shí)2審核人高一備課組學(xué)習(xí)目標(biāo)1.ReadthetextandknowsomeaspectsoftheAmazonrainforest.2.Learnthewordsformedwithnegativeprefixes.3.Masterthewritingtechniquesofmakingcomparisons.重點(diǎn)難點(diǎn)重點(diǎn)1.ReadthetextandknowsomeaspectsoftheAmazonrainforest.難點(diǎn)2.Learnthewordsformedwithnegativeprefixes.3.Masterthewritingtechniquesofmakingcomparisons.課前準(zhǔn)備Askstudentstopreviewnewwords,andreadthepassage.五步法 導(dǎo)學(xué)過程導(dǎo)學(xué)流程啟導(dǎo)Step1Lead-inWatchavideoandanswerthefollowingquestion:IfwedestroytheAmazonrainforest,theconsequenceswouldbe_________andthey’ve__________________________.學(xué)習(xí)與展評Step2Learning&PresentationI.Pre-readingBeforeyoureadthescript,thinkaboutthefollowingquestions:1.Whatplantsoranimalsdoyouknowabout?Whatisspecialaboutthem?_________________________________________________________________2.Whatdoyouthinkthisscriptisaboutjudgingfromthetitleandthepictures?_________________________________________________________________II.Fastreading1.Readthedocumentaryscriptandwritethemainideaofeachparagraph.Para.1:IntroductiontotheAmazonrainforestPara.2:BasicinformationabouttherainforestPara.3:__________________________________________________Para.4:________________________________________________Para.5:_________________________________________________2.Readthedocumentaryscriptandchoosethebestanswers.2.Readthedocumentaryscriptandchoosethebestanswers.1).TheAmazonrainforestisthelargestrainforestintheworld.A．Right.B．Wrong.C．Notmentioned.2.TheAmazonrainforestwithanareaofabout6millionsquarekilometresishalfthesizeofChina.A．Right.B．Wrong.C．Notmentioned.3).Ofthe390,000plantspeciesintheworld,over40,000canbefoundintheAmazonrainforest.A．Right.B．Wrong.C．Notmentioned.4).Morethan1,700speciesofanimalshideamongtheAmazonrainforest'splantlife.A．Right.B．Wrong.C．Notmentioned.5).TheAmazonrainforestisatreasureplacewherewildlifecanbeusedforindustrialmaterials.A．Right.B．Wrong.C．Notmentioned.III.Carefulreading1.Readthedocumentaryscriptagaincarefullyandfillintheblankswiththefiguresonpage4.2.Choosethebestanswers.1).Accordingtothetext,whichofthefollowingstatementsistrue?A.TheAmazonrainforestplaysasignificantroleinmaintainingthebalanceofprotectingtheanimals’ecosystem.B.TheAmazonrainforestcrossesintoeightcountries,includingBrazilandPeru,ontheNorthAmericancontinent.C.TheAmazonrainforestcoversanareaofaround6millionsquarekilometres,whichismorethanhalfthesizeofChina.D.TheAmazonrainforest,fromwhichtherivergetsitsname,isabout6,400kilometresinlength.2).HowmanyspeciesofplantscanbefoundintheAmazonrainforest?A.About1,300.B.Over40,000C.Around400.D.Morethan550.3).Whyhas17percentoftherainforestdisappearedoverthepast50years?A.Thebalanceofprotectingtheanimals’ecosystemdisappeared.B.Animalswerehuntedandplantsweredamaged.C.Thisforest’sfoodchainwasdamaged.D.Theimpactofhumanactivitiescontinuestogrow.4).Whereisthepassageprobablytakenfrom?A.Adocumentary.B.Anovel.C.Aguidebook.D.Anewspaper.IV.PostreadingInpairs,discussthefollowingquestions.1.WhatmakestheAmazonrainforestanaturaltreasureaccordingtothescript?2.ArethereanyplacesinChinawithrichbiodiversityliketheAmazonrainforest?Whatarethey?Introduceonetotheclass.鞏固Step3ConsolidationTheAmazonrainforestishometoagreat(1)___________ofplantlife;however,itssoilissurprisinglypoorinnutrients.Infact,thesoilintheregioncannotsupport(2)__________formorethanafewyears.Ifascientistisshownareportlistingthenutrientsofthatsoil,heorshewillprobablythinkthatonlydesertplantscan(3)_____init!Thenwhyisthesoilsopoorinnutrients?Foronething,therainyseasonhasa(n)(4)__________onthesoil.Intherainyseason,thewaterlevelcanrisetoashighas12metres.Whenthewatergoesaway,ittakesawaythenutrientsinthesoil.Foranotherthing,(5)________theAmazon’shotclimate,itisdifficultforthesoiltobuildupenoughnutrients.Deadplantsandanimals(6)____________morequickly.Thenutrientsaresoontakeninbytherootsoftheplantsdeep(7)__________theground.Asaresult,mostoftheforest’snutrientsarelockedupintheplantsthemselves,(8)___________allowingthemtogrowatanunbelievablespeed.精結(jié)Step4Step4SummaryTheAmazonrainforesTheAmazonrainforestAsthelargestrainforestintheworld,itplaysa__________roleinmaintainingthefinebalanceoftheEarth'secosystem.BasicinformationabouttherainforestBasicinformationabouttherainforestValueandthreatsValueandthreatsBasicinformationabouttherainforestBasicinformationabouttherainforestValueandthreatsValueandthreatsBirdsandmammalsPlantsPlantsPlantsPlantsPlantsItcrossesinto_______________andoneoverseasregionofFrance.Itcoversaround_________squarekilometres.ItgetsitsnamefromtheAmazonRiver,whichisabout_______________inlength.Ithastherichest____________ontheEarth.Itcrossesinto_______________andoneoverseasregionofFrance.Itcoversaround_________squarekilometres.ItgetsitsnamefromtheAmazonRiver,whichisabout_______________inlength.Ithastherichest____________ontheEarth.?Values:*Itfixescarbonandproducesover_____ofalltheEarth’soxygen.?Threats:?Values:*Itfixescarbonandproducesover___