人教版英语必修五unit5知识点

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1、必修五unit5知识点详解1Aid(v)帮助;援助=helpsb帮助某人去做….aidsbtodo在…事帮助某人aidsbin…Heaidedmeinbusiness.Iaidedhertocontinueherstudy.AtChristmas,manyorganizationsaidthepoor.n /U/帮助;援助在某人的帮助下withtheaidof为了帮助…inaidofTeachersgivetheirlessonswiththeaidofcomputers.Heraisedmoneyi

2、naidofthesick. 知识拓展：give/offeraid援助             cometosb.'said帮助某人cutoffaid（突然）终止援助       ahearingaid助听器teachingaids教具                   medicalaid医疗救护 2.temporary暂时的，临时的temporaryrelieffrompain短暂的解痛temporarywork/solution临时工作/解决办法    3.fallillfall+adj.il

3、lasleepawakesicksilent4get+过去分词 表被动或状态Thecomputergotdamagedwhenweweremoving.Mybikeisgettingrepairednow.MyglassesgotbrokenwhileIwasplayingbasketball.PeterandMarygotmarriedlastyear.getdonegetinjured受伤getdressed穿衣服 getdamaged遭到破坏 getchanged改变 getmarried结婚 

4、getinfected被感染 getbroken被弄破 getlost迷失，走失5injurev.   injurytosth.  …（部位）的伤injuriestothelegsgotinjuredinjuryinjuredhurt肉体，精神上的伤害（一般用语），疼痛injure意外或事故而受伤wound指外伤（刀、枪、剑伤）6.bleed-blood-bloody(v.)     (n.)   (adj.)Hisnosewasbleeding.=Hewas bleedingatthenose.=H

5、ehasabloodynose. 他在流鼻血。bleedfor为…而流血,悲痛bleedtodeath出血过多而死loseblood流血、失血fleshandblood血肉之躯7.choke   vi.&vt.窒息;阻塞Shechokedwithemotion. 她激动得说不出话来。Thesmokealmostchokedme.烟呛得我几乎喘不出气来。Atthebadnews,hecouldn'tchokebackhistear听到这则噩耗，他抑制不住自己的眼泪。 Themangaveafewchok

6、esandthengothisbreath.那个男人噎了几下才喘过气来。8.essentialadj.最重要的，不可缺少的，本质的1)Sunandwaterareessentialtothegrowthofcrops.阳光和水是农作物生长不可缺的。 2)Itisessentialforustosetourstudygoal.我们有必要来设定我们的学习目标。3)Itisessentialthatyou(should)winthevoter's  hearts.赢得选民的信任是至关重要的。-----当用i

7、t充当主语而用它充当表语时，that从句的谓语动词用should+动词原形。9.Youhavethreelayersofskinwhichactasabarrieragainstdisease,… actas 作为….barrier屏障,障碍物,隔阂Youshouldshowtheticketatthebarrier.Thelanguagebarrier10poisonn./vt.毒药，毒害；毒害，使中毒eg:1)Poisonsmustbeputoutofchildren’sreach.毒药一定要放在

8、孩子们够不到的地方。2)Thismatterwillmakesomepoisontothecrops.这种物质会对庄稼造成毒害。3)Booksofthiskindcanmakepoisontochildren.这类书会对儿童造成毒害。 4)Heroinhaspoisonedalotofpeople.海洛因毒害了很多人。5)Thepollutedwaterintheriverpoisonedpeoplehere.污染了的河水使这儿的人中毒。-----poi