人教版八年级下册三单元sectionB知识点总结ppt课件.pptx

sectionBSectionB1.invitev.邀请n.invitation邀请，请柬invitesbto+地点邀请某人到某地invitesbtodosth邀请某人做某事Eg.Heinvitedmetohispartyyesterday2.make/letsbdosth使某人做某事stoptodosth停下前一件事去做另一件事stopdoingsth停止正在做的事Eg.他很累，他想停下来去休息3.stressn.精神压力；重音复数stresses(各种压力)e.g.Differentpeoplehavedifferentwaystodealwithstressesstressedout(用作表语)紧张的,感到有压力的Whatsthematter,youlookstressedout.4.wasten.垃圾v.浪费awasteof浪费Eg.Playingcomputergamesisawasteoftimewastetime/moneyonsb/sthwastetime/moneyindoingsthEg.Youshouldntwastetimeinplayingadj.无用的，废弃的wastepaper/water/gas5.take-taking-tookHowlongdoes/didittake?物Ittakes/tooksbsometimetodosth物cost(s)sbsomemoneytodosthHowmuchdoesitcost.?人sbspend(s)time/moneyonsth在某事、某物上花费金钱spendtime/money(in)doingsthspendtimewithsb度过时间人sbpays/paidmoneyforsth付钱payback偿还takein吸收takeup(doing)占据开始从事takeplace发生、e.g.Greatchangeshavetakenplaceinmyhometowninthepastfewyears.6.inorder(not)to+v原“为了”=sothatEg.Inordertocatchtheearlybus,shegotupearly.7.Theresnoneedforsbtodosth某人没必要做某事=Itsnotnecessaryforsbtodosth.=ItsunnecessaryforsbtodosthV实sbneedtodosth某人需要做某事sthneeddoingsth=sthneedtobedone某事需要被做Eg.IneedtorepairmybikeMybikeneedsreparing=Mybikeneedstoberepaired 否定句：dont/doesnt/didntneedtodosth疑问句：do/does/did.needtodosth?-Yesdo/does/did-No.V情（只用于否定，疑问句）否定句needntdo疑问句-need/must+主语+do?-yes,must/no,.neednt/donthavetoneednttodo(错)8.It+be+名词(短语)+todosth做某事是e.g.Itsonesjobtodosth.ItsmypleasuretodosthItsonesturntodosthIt+be+adj+forsbtodosth做某事对某人来说是easy/hard/difficult/necessary/imprtant/impossibleeg.Itisdifficultformetogetupearly.It+be+adj+ofsbtodosth某人是(人的品格)good/kind/nice/friendly/clever/(im)politeeg.Itskindofyoutohelpme9.providev.提供，供应providesbwithsth=providesthforsbe.g.Ourschoolprovidesuswithacomfortbleenvironment=?offersbsth=offersthtosb(主动)supplysbwithsth=supplysthfor/tosb10.anywayadv而且,不管怎样，尽管如此Eg.Anyway,weshouldhaveatry11.dependon依靠，依赖取决于，视.而定Eg.ThelittleboydependsonhismotherverymuchEg.OursuccessdependsonoureffortIt/thatdepends那得看情况dependvi.依赖;依靠;信赖;决定于dependentadj依赖的，依靠的independentadj独立的，自主的dependencen.依赖，依靠;信任信赖independencen.独立Eg.Hewasafraidoflosinghisindependence12on短语turnon打开tryon试穿carryon继续dependon取决于puton穿上13.developv.发展，壮大，培养；养成Eg.Weshoulddevelophealthyeatinghabbitsdevelopmentn.发展；成长withthedevelopmentof随着的发展developedadj.发达的developingadj发展中的EgAmericaisadevelopedcountryandChinaisadevelopingcountry14.fairnessn.公正性，合理性unfairnessn.不公平Infairness说句公道话fairadj公正的unfairadj不公正的Itsfair/unfair(forsb)todosth做某事是公平/不公平的Eg.itsunfairtoalltheotherstudentsintheclass15.doonespartin(doing)sth=try/doonesbesttodosth尽自己努力做某事Eg.Policemanshoulddohispartinprotectingpeopleplayapartinsth/(doingsth)在中起作用take part in 意为“参加，参与（比赛或某活动)Eg.Books play an important part in our life.15.since连词因为，既然；自从以后(1)since引导原因状语从句=because“由于；因为”,Eg.Since he was lazy,he didnt finish his homework.He didnt come since he was busy.(2)since引导时间状语从句,“自从以后”常与现在完成时态连用since+过去一个时间点(如具体的年、月、日期、钟点).e.g.Ihavebeenheresince1989.since+一段时间+agoe.g.Ihavebeenheresincefivemonthsago.since+从句Greatchangeshavetakenplacesinceyouleft16.neighbor可数名词，邻居Eg.HeandIarenext-doorneighborneighborhood城区，街区（既指环境也指人）17.havenoidea不知道=dontknowEg.Ihavenoideawhatyoumean=Idontknowwhatyoumean18.takecareof照顾，处理takecareof=lookafter=carefor好好照顾：takegoodcareof/lookafter/carefor.welltakecare=becareful=lookout小心，当心Eg.Takecarethatyoudontdrinktoomuch19.asaresult&asaresultofasaresult（结果）+句子asaresultof(由于，因为)+n/代=becauseofeg.BillwaslateasaresultoftheheavysnowBillgotuplate,asaresulthewaslateforschool.20.fallill生病fall-felleg.WhatifIfallillwhileImawayonholidayfalldown(from)=fallofffallbehind落后fallasleep入睡fallinto掉入21.dropv.落下；放弃，停止droppeddropoutofschool辍学n.滴，水珠adropofwater一滴水22.The+比较级+主+谓，the+比较级+主+谓越.越Eg.Themoreshelearns,themoreshewantstoleaveThemorewedoforthepeople,thehappierwellbe.你越细心，犯的错越少Themorecarefulyouare,thefewermistakesyoullmake开车越仔细，越安全safeThemorecarefullyyoudrive,thesaferyoullbeThemoreyoueat,thefatteryoullbe。