新牛津英语8A-unit5重要知识点讲解

教学目标：本单元重要知识点讲解1.Whynot?Wildanimalsarefreeandhappy.(1)Whynot?表示赞同别人的建议，相当于Goodidea!Ithinkso．等。(2)free意为“免费的；自由的”。作“自由的”讲时，--freer--freest，其反义词是busy;bebusydoingsth.作“免费的”讲时，没有比较级和最高级形式，常用短语为forfree（免费地）。befreetodosth.意为“自由地做某事”。如：Youarefreetogoorstay.(3)wild作名词，“野生状态inthewild“在自然环境下；在野外”。wild作形容词，“野生的”，一般作定语修饰名词；也可跟在连系动词后面作表语。Weshouldn'thuntwildanimalsforfood.Theserosesarewild。2．Socouldyoupleasenoteatthem?Can/Could/wouldyouplease+动词原形.？“请你……，好吗？”。其否定式是在please后直接加not。Couldyoupleasenotparkyourcarhere?3．Pleasehavepityonthem，Eddie.havepityonsb.“同情某人”。pity是不可数名词，意为“同情”。pity作“遗憾，可惜”讲时，是可数名词。IhavepityonyoubutIcan'thelpyouthistime.Whatapity!这真是遗憾呀!4.dievi.死→deadadj.死的→*dyingadj.快死的→deathn死。dieof与diefrom的区别：dieof指死于疾病、衰老等自身的原因；diefrom指死于地震、交通事故、雷击等外部原因；死于饮酒、受伤、劳累过度、饥饿、饥寒等两者皆可。用die，dead，dying或death填空①Theman_______intheaccident.Hissudden_______madehisfamilyverysad.②Twopeoplewereintheroomwhenthefirehappened.Themanwas_______andthewomanwas_______andthedoctorwastryingtosaveher.without是介词，“没有”，without+后接名词、代词或动名词作宾语。Thereisnosmokewithoutfire。无风不起浪。他没有告诉他母亲就离开了家。Helefthome______________．5.Theylooksocute。它们看上去是如此可爱。look在本句中是连系动词，意思是“看起来”，后面跟形容词（短语）作表语。Lookat此时look是实意动词，后跟副词Helookshappy.Helookshappilyatthegirl.可用作连系动词的感官动词还有：taste，feel，sound，smell等。例题：()1.Wouldyoulike_______forawalknow?A.togoB.togoingC.goingD.go()2.Hewentout_______hishat.A.withoutwearingB.didn'twearC.nowearingD.notwearing()3.Couldyouplease_______thedoorforme?It'stoocold.A.notcloseB.closeC.nottoopenD.open()4.Hergrandpa_______ayearago.A.diedB.diesC.deadD.dying()5.-Yourparentswanttoseeyou.–_______.TheyareinShanghai.A.OfcourseB.AnyawayC.OnthewayD.Noway．句型转换。1．Ilikemonkeysbest．（对画线部分提问）______________doyoulikebest?2．Thepandaslookcute.（对画线部分提问）______________thepandaslook?3．Hedidn'thavebreakfastandwenttoschool.（同义句转换）Hewenttoschool______________breakfast.4．Couldyoupleasetellmetheanswertothequestion?（改为否定句）Couldyouplease______________metheanswertothequestion?5．Youmustn'tplayontheroad.（改为祈使句）______________ontheroad.Reading1．WecalledherXiWang.call作动词时，意为“称呼；打电话；叫”，后可接宾语和宾语补足语；callsb.sth.作名词时，意为“打电话，通话；呼声，叫声”。TheboycalledTomismybrother.HisfriendscallhimBob.Icalledhimthismorning.=Igavehimacallthismorning.2.Thismeans“hope”。mean可以用作及物动词，意为“意思是……；指的是……；意味着……”。Meandoing/sth.Meantodosth.Eg:Whatdoesthissignmean?Thissignmeans“Keepoffthegrass”，meaning是名词，意思是“意思；含义”。themeaningof…意思是“……的意思；……的含义”。Itmeans“hope”。＝Itsmeaningis“hope”．3.…lookedlikeawhitemouse．looklike的意思是“看起来像，看上去像”，相当于belike，其中的like是介词，后面要跟宾语。Samislikehisfather．Samlookslikehisfather.[知识拓展]lookthesame“……看起来一样”，后面不跟宾语。用looklike或lookthesame填空①Youandyourcousin_______.②Yourhat_______acat.4.WhenXiWangwasborn,sheweighedjust100grams.beborn动词词组“出生，出世”，whenXiWangwasborn是一个时间状语从句，atbirth名词词组“出生时”5.Eightmonthslater,shewasnotasmallbabyanymoreandweighedover35kilogramsnot.…anymore＝nomore意为“不再”。，常用于过去时或将来时的句子中；Nowshewasn'tafraidanymore.Weighv.对重量的询问：6.Whenshewas20monthsold,shelearnttolookafterherself.(1)learntodosth．意为“学会做某事”。learn后常接动词不定式作宾语。如：Ilearnedtoswimwhenlwasfiveyearsold.(2)lookafteroneself=takecareofoneself意为“照料自己”。如：Theboysaretooyoungtolookafterthemselves.（3）在某人多大时：at+年龄=attheageof+年龄=whensb.+be+年龄EgHelearnedtoswimateightyearsold.＝Helearnedtoswimwhenhewaseightyearsold.＝Helearnedtoswimattheageofeight.7.Sadly,giantpandasfaceseriousproblemsinthewild．不幸的是，大熊猫在野外面临严重的问题。sadly是sad的副词，在句中单独使用时，相当于toone'ssadness，sad–sadder–saddestsad–sadlysadnessTheboylookedsadlyathismother.Sadly,therearenotmanygiantpandasleftintheworld.8.Forexample,itisverydifficultforpandastohavebabies.例如，大熊猫生孩子是非常困难的。forexample=suchas=like，它们都可以用于举例说明,但也有区别。(1)It's+形容词+forsb.todosth.固定句型，“对某人来说，做某事是……的”。It'simpossiblefortheboytodosuchhardwork.(2)havebabies意为“生孩子”。9.Also,giantpandaslivemainlyonaspecialkindofbamboo.而且，大熊猫主要靠一种特殊的竹子为生。liveon“以食……为生”，“继续活着”，相当于survive。Sheepliveongrass.绵羊以食草为生。10.However,thebambooforestsarebecomingsmallerandsmaller.(1)however与but的区别：(2)“比较级+and+比较级”意为“越来越……”。Ourcountryisbecomingmoreandmorebeautiful.①我们的学校越来越干净。Ourschoolis_____________________。②这儿的食品越来越贵。Thefoodhereis_____________________。11.Asaresult,pandasmaynothaveaplacetoliveorfoodtoeat.因此，大熊猫可能无处生存，无以为食。(1)asaresult是一个习惯短语，意为“因此，结果”。theresult(s)ofsth.……的结果Hedidn'tpractice,andasaresult,helost.(2)nothaveaplacetolive(in)=havenoplacetolive(in)。tolive在句中作后置定语，修饰名词place。foodtoeat意为“可吃的食物”，tolive和toeat都是动词不定式作后置定语，修饰前面的名词。如果动词不定式中的动词是不及物动词时，一定不能把搭配的介词遗漏，当所修饰的词是place，time，way时，习惯上要省略介词。Ihavelotsofhomeworktodo.IneedapentowritewithHehasthreechildrentotakecareof.12.takeactiontodosth.的意思是“采取措施做某事”，13.Ifwedonothing,soontheremaybenoneleft!假如我们什么都不做，很快将会一个熊猫都不剩。none和nothing有何区别？(1)none:①可与of连用；②谓语动词用单数、复数皆可；③具体指什么人或物；④一般用来回答howmany＋n．，howmuch＋n.及含any＋n.引导的疑问句。Noneofushave/hasseenhim.我们中没有人见过他。-Howmanystudentsarethereintheroom?-None.-Isthereanywaterinthebottle?-None.-Howmuchmoneydoyouhaveonyou?-None.(2)nothing:①指物；②谓语用单数；③一般用来回答含anything的一般疑问句及what引导的特殊疑问句。-Whatisinthebox?盒子里有什么？-Nothing.什么也没有。-Isthereanythinginthesky?天上有什么吗？-Nothing.什么也没有。-Canyouseeanythingwithoutglasses?不戴眼镜你能看见什么吗？-Nothing．什么也看