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1、Unit4describesplantsoranimalsthatliveorgrowindependentlyofpeople,innaturalconditionsandwithnaturalcharacteristics:1wildadj.wildflowers/grassesaherdofwildhorsestobecomelesscommonandfinallystopexisting:Dinosaursdiedoutmillionsofyearsago.Itsacustomwhichisbeginningtodieout.2dieouttobecomeless,ortomakeso
2、methingbecomeless:Ourshareofthemarkethasdecreasedsharplythisyear.Wehavedecreasedourinvolvementinchildrensbooks.3decreasev.IorT1CorUwhenyounolongerhavesomethingorhavelessofsomething:Manyparentsfeelasenseoflosswhentheirchildrenleavehome.Hesufferedagraduallossofmemory.4lossn.2Sadisadvantagecausedbysome
3、oneleavinganorganization:Itwouldbeagreatlosstothedepartmentifyouleft.3CorUthedeathofaperson:Theynevergotoverthelossoftheirson.4Cwhenabusinessspendsmoremoneythanitearns:Thecompanyannouncedapre-taxlossofthreemillionpounds.anareaoflandkeptinitsnaturalstate,especiallyforwildanimalstoliveintobeprotected:
4、anature/game/wildlifereserve5reserven.1tochaseandtrytocatchandkillananimalorbirdforfood,sportorprofit:Whenlioncubsareyoung,themotherstayswiththemwhilethefatherhuntsforfood.Catsliketohuntmiceandbirds.Elephantsusedtobehuntedfortheivoryfromtheirtusks.6huntv.IorT2tosearchforsomethingorsomeone;totrytofin
5、dsomethingorsomeone:Ivehuntedallovertheplace,butIcantfindthatbook.Theyarestillhuntingforthemissingchild.Ivehuntedhighandlow(=lookedeverywhere)formygloves.Theyhavespentmonthshouse-/job-hunting(=lookingforahouse/ajob).1Youareindangerofcatchingacoldifyoudonttakeanymedicine.2Dontapplyforthatjob:youreind
6、angerofoverreachingyourself.7indanger(of)8carpetn.1Uthickwoolenorartificialfabricforcoveringfloorsorstairs a roll of carpet2Capieceofcarpetusedasafloorcovering,especiallywhenshapedtofitaroom to lay a carpet a bedroom carpet 1tosayordosomethingasareactiontosomethingthathasbeensaidordone:+speechToever
7、yquestion,herespondedIdontknow.Iaskedherwhatthetimewas,butshedidntrespond.Howdidsherespondtothenews?9respondv.I2respondtosth.Ifdiseasesorpatientsrespondtotreatment,thetreatmentbeginstocurethem:Itremainstobeseenwhetherthecancerwillrespondtotreatment.10relief n.（痛苦或忧虑的）减轻或解除；（痛苦或忧虑的）减轻或解除；减轻痛苦的事物减轻痛苦的
8、事物Reliefwasquicklysenttothesufferersfromthegreatfire.救济品很快被送到遭受火灾的灾民手中。救济品很快被送到遭受火灾的灾民手中。inrelief如释重负；松了口气如释重负；松了口气11burstintolaughter突然笑起来；大声笑出来突然笑起来；大声笑出来AlltheclassmatesburstintolaughterwhenDavidactedouttheepisode.当戴维表演完那段插曲时，全班同学当戴维表演完那段插曲时，全班同学都捧腹大笑。都捧腹大笑。kindnessandforgivenessshowntowardssomeo
9、newhomyouhaveauthorityover:Sheappealedtothejudgetohavemercyonherhusband.Theprisonerspleadedformercy.Thegunmenshowednomercy,killinginnocentmenandwomen.12mercyn.U1havingnodoubtorknowingexactlythatsomethingistrue,orknowntobetrue,correct,exactoreffective:+questionwordImnotcertainhowmuchitwillcost.13cert
10、ainadj.2know/sayforcertaintoknoworstatesomethingwithoutdoubt:Idontknowforcertainifshescoming.topressorbepressedagainstsomethingwithacircularorupanddownrepeatedmovement:Sheyawnedandrubbedhereyessleepily.Herubbed(at)thestainonhistrousersandmadeitworse.14rubv.IorT-bb-15protectv.tokeepsomeoneorsth.safef
11、romharm,damageorillnessprotectsb./sth.from(against)sth.e.g.Kidsshouldbeprotectedfromtheviolence.e.g.Thewallswerebuilttoprotectthecountryagainsttheattack.protectionn.16mosquiton.asmallflyinginsectthatbitespeopleandanimals,andsuckstheirblood:Some types of the anopheles mosquito transmit malaria to hum
12、ans.mosquitonetn.C蚊帐蚊帐17insectn.Catypeofverysmall,air-breathinganimalwithsixlegs,abodydividedintothreepartsandusuallytwopairsofwings,or,moregenerally,anysimilarverysmallanimal:Ants,beetles,butterfliesandfliesareallinsects.Ivegotsomesortofinsectbiteonmyleg.18containv.tohavesth.insideorhavesth.asapart
13、包含；容纳；容忍包含；容纳；容忍e.g.Heopenedthebag,whichcontainedawallet,acarkeyandamobilephone.e.g.Thisarticlecontainsimportantinformationaboutwildlifeprotection.containern.容器容器都有都有“包含包含”的意思的意思include指在整体中能明确界定的几个指在整体中能明确界定的几个部分。部分。e.g.Thehealthclubincludesagym,swimmingpool,andlockerroom.健身俱乐部包括体操房，游泳池和更健身俱乐部包括体操房
14、，游泳池和更衣室。衣室。词语辨析词语辨析contain,includecontain侧重包含侧重包含“内容内容”或或“成分成分”。Ithinkthatvegetablesarehealthyfoodbecausetheycontainlotsofvitamins.我认为蔬菜是不错的食品，因为它们我认为蔬菜是不错的食品，因为它们含有大量维生素。含有大量维生素。19powerfuladj.1havingalotofstrengthorforce:Shesanextremelypowerfulrunner.ThepicturequalityisbadbecausetheTVsignalisntpow
15、erfulenough.2havingaverygreateffect:apowerfuldrug20affectv.haveaneffecton影响；感动；侵袭影响；感动；侵袭e.g.Smokinggreatlyaffectshealth.区别区别:effectn.haveaneffecton/uponsb./sth.e.g.Smokinghasagreateffectonhealth.21payattentiontogiveyourattentionto注意注意1)Pleasepayattentiontothisclauseinthesentence.请注意看句中的这个从句。请注意看句中的
16、这个从句。2)Pleasepayattentiontothedifferencebetweenthetwowords.请注意这两个词之间的区别。请注意这两个词之间的区别。3)Youmustpayattentiontoyourteacherintheclass.上课的时候必须专心听老师上课的时候必须专心听老师讲课。讲课。22appreciatevt.鉴赏；感激；意识到鉴赏；感激；意识到1)Weappreciateyourhelpingus.我们感谢你们的帮助我们感谢你们的帮助。2)Youcantfullyappreciateforeignliteratureintranslation.看翻译作品
17、很难欣赏到外国文学的精髓。看翻译作品很难欣赏到外国文学的精髓。3)Iappreciateyourproblem,butIdontthinkIcanhelpyou.我理解你的困难我理解你的困难,但却爱莫能助。但却爱莫能助。Ssubject主主语语Ppredicate谓谓语语Oobject宾宾语语Attattribute定定语语Advadverbial状状语语Comcomplement补补语语Prepredicative表表语语Cclause从从句句Shortforms缩略语缩略语Difficultsentences analysisDaisyturnedaroundandfoundthatshewasbeingwatchedbyanelephant.S.O.C.P.戴茜转过身去，看到一头大象正望着她。戴茜转过身去，看到一头大象正望着她。