高中英语 Unit4 Language points课件 新人教版必修2 课件VIP免费

Unit4describesplantsoranimalsthatliveordescribesplantsoranimalsthatliveorgrowindependentlyofpeople,ingrowindependentlyofpeople,innaturalconditionsandwithnaturalnaturalconditionsandwithnaturalcharacteristics:characteristics:1wildadj.wildflowers/grassesaherdofwildhorsestobecomelesscommonandfinallystoptobecomelesscommonandfinallystopexisting:existing:DinosaursdiedoutmillionsofyearsDinosaursdiedoutmillionsofyearsago.ago.It'sacustomwhichisbeginningtodieIt'sacustomwhichisbeginningtodieout.out.2dieouttobecomeless,ortomakesomethingtobecomeless,ortomakesomethingbecomeless:becomeless:OurshareofthemarkethasdecreasedOurshareofthemarkethasdecreasedsharplythisyear.sharplythisyear.WehavedecreasedourinvolvementinWehavedecreasedourinvolvementinchildren'sbooks.children'sbooks.3decreasev.[IorT]1[CorU]whenyounolongerhave1[CorU]whenyounolongerhavesomethingorhavelessofsomething:somethingorhavelessofsomething:ManyparentsfeelasenseoflosswhenManyparentsfeelasenseoflosswhentheirchildrenleavehome.theirchildrenleavehome.Hesufferedagraduallossofmemory.Hesufferedagraduallossofmemory.4lossn.2[S]adisadvantagecausedbysomeone2[S]adisadvantagecausedbysomeoneleavinganorganization:leavinganorganization:ItwouldbeagreatlosstothedepartmentItwouldbeagreatlosstothedepartmentifyouleftifyouleft..3[CorU]thedeathofaperson:3[CorU]thedeathofaperson:TheynevergotoverthelossofTheynevergotoverthelossoftheirson.theirson.4[C]whenabusinessspendsmore4[C]whenabusinessspendsmoremoneythanitearns:moneythanitearns:Thecompanyannouncedapre-taxThecompanyannouncedapre-taxlossofthreemillionpounds.lossofthreemillionpounds.anareaoflandkeptinitsnaturalanareaoflandkeptinitsnaturalstate,especiallyforwildanimalstostate,especiallyforwildanimalstoliveintobeprotected:liveintobeprotected:anature/game/wildlifereserveanature/game/wildlifereserve5reserven.1tochaseandtrytocatchandkillan1tochaseandtrytocatchandkillananimalorbirdforfood,sportorprofit:animalorbirdforfood,sportorprofit:Whenlioncubsareyoung,themotherWhenlioncubsareyoung,themotherstayswiththemwhilethefatherhuntsstayswiththemwhilethefatherhuntsforfood.forfood.Catsliketohuntmiceandbirds.Catsliketohuntmiceandbirds.ElephantsusedtobehuntedfortheElephantsusedtobehuntedfortheivoryfromtheirtusks.ivoryfromtheirtusks.6huntv.[IorT]2tosearchforsomethingorsomeone;to2tosearchforsomethingorsomeone;totrytofindsomethingorsomeone:trytofindsomethingorsomeone:I'vehuntedallovertheplace,butII'vehuntedallovertheplace,butIcan'tfindthatbook.can'tfindthatbook.TheyarestillhuntingforthemissingTheyarestillhuntingforthemissingchild.child.I'vehuntedhighandlow(=lookedI'vehuntedhighandlow(=lookedeverywhere)formygloves.everywhere)formygloves.Theyhavespentmonthshouse-/job-Theyhavespentmonthshouse-/job-hunting(=lookingforahouse/ajob).hunting(=lookingforahouse/ajob).11YouareindangerofcatchingacoldifYouareindangerofcatchingacoldifyoudon'ttakeanymedicine.youdon'ttakeanymedicine.22Don'tapplyforthatjob:you'reinDon'tapplyforthatjob:you'reindangerofoverreachingyourself.dangerofoverreachingyourself.7indanger(of)8carpetn.8carpetn.1[U]thickwoolenorartificialfabricfor1[U]thickwoolenorartificialfabricforcoveringfloorsorstairscoveringfloorsorstairsarollofcarpetarollofcarpet2[C]apieceofcarpetusedasafloor2[C]apieceofcarpetusedasafloorcovering,especiallywhenshapedtofitacovering,especiallywhenshapedtofitaroomroomtolayacarpettolayacarpetabe...