必修3第一单元 Reading Building your language - 2023-2024学年高一英语精美课件（译林版2020必修第三册）

climatebuildupn.气候；倾向，风气逐渐增加，扩大ReadafterthetapeandspeakouttheChineseimmediately.Unit1NatureinthebalanceP2BuildingyourlanguageThepassagebelowisfromawebsiteabouttheAmazonrainforest.Completethepassagewiththecorrectformsofthewordsandphrasesintheboxbelow.agriculture

impact

thus

duetovariety

survive

beneath

breakdownTheAmazonrainforestishometoagreat(1)

_______ofplantlife;however,itssoilissurprisinglypoorinnutrients.Infact,thesoilintheregioncannotsupport(2)

__________formorethanafewyears.Ifascientistisshownareportlistingthenutrientsofthatsoil,heorshewillprobablythinkthatonlydesertplantscan(3)

_______init!Thenwhyisthesoilsopoorinnutrients?Foronething,therainyseasonhasa(n)(4)

________onthesoil.varietyagriculturesurviveimpactP5B1Intherainyseason,thewaterlevelcanrisetomorethan12metres.Whenthewatergoesaway,ittakesawaythenutrientsinthesoil.Foranotherthing,(5)

________theAmazon'shotclimate,itisdifficultforthesoiltobuildupenoughnutrients.Deadplantsandanimals(6)

________________morequickly.Thenutrientsaresoontakeninbytherootsoftheplantsdeep(7)

________theground.Asaresult,mostoftheforest'snutrientsarelockedupintheplantsthemselves,(8)

______allowingthemtogrowatanunbelievablespeed.agriculture

impact

thus

duetovariety

survive

beneath

breakdownduetoarebrokendownbeneaththusThedocumentaryscriptusessomewordswithnegativeprefixes.Notethefollowingprefixes

andthinkofmorewordsformedwiththem.Thenfillinthetablebelowwithasmanywordsasyoucan.PrefixesWordsun-unbelievabledis-disappearin-/im-/il-/ir-irreplaceablenon-non-smoking

unlimited,unhappy,unknown,unusual,unreal,unfortunate,unlucky,unkinddisagree,disadvantage,dissatisfied,dishonest,disabled

invisible,incorrect,inactive,independent,impolite,imbalance,illegal,irregular,irresponsiblenon-stop,non-existent,non-profit,non-fictionP5B2ThedocumentaryscriptcomparesthesizeoftheAmazonrainforestwiththatofChina,andthelengthoftheAmazonRiverwiththatoftheYangtzeRiver.Findthesecomparisonsinthescript.P5B3Whilethereadermayhavenoideawhatalargefigurerefersto,makingcomparisonswithfamiliarplacesorobjectswillhelpthemgainabetterunderstanding.LearnthisHerearesomeexpressionsusedtomakecomparisons:•thesamesize/lengthas…

•aslarge/longas…•morethan/largerthan/longerthan…•twice/threetimesaslarge/longas…Thinkofsimilarcomparisonsforthefiguresbelow.1.Itwasreportedthatin2011,about34millionpeoplelivedintheAmazon.(populationofCanada:about37million;populationofShanghai:24million)2.From2001to2012,about177,000squarekilometresoftheAmazonrainforestwerelost.(sizeofNewZealand:about268,000km2;sizeofJiangsu:102,600km2)1.Itwasreportedthatin2011,about34millionpeoplelivedintheAmazon.(populationofCanada:about37million;populationofShanghai:24million)(1)Itwasreportedthatin2011,about34millionpeoplelivedintheAmazon-thatisabout

Canada'stotalpopulation.(2)Itwasreportedthatin2011,about34millionpeoplelivedintheAmazon-thatis10million

morethanthepopulationofShanghai.Checkyouranswers.2.From2001to2012,about177,000squarekilometresoftheAmazonrainforestwerelost.(sizeofNewZealand:about268,000km2;sizeofJiangsu:102,600km2)(1)From2001to2012,about177,000squarekilometresoftheAmazonrainforestwerelost