人教版八年级下册三单元sectionB知识点总结课件

sectionBsectionB1SectionB1.invitev.邀请n.invitation邀请，请柬invitesbto+地点邀请某人到某地invite

sbtodosth

邀请某人做某事Eg.Heinvitedmetohispartyyesterday

2.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SectionB1.invitev.邀请n.23.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

What'sthematter,youlook

stressed

out.

3.stressn.精神压力；重音34.wasten.垃圾v.浪费awasteof浪费Eg.Playingcomputergamesisawasteoftimewastetime/moneyonsb/sthwastetime/moneyindoingsthEg.Youshouldn’twastetimeinplaying

adj.无用的，废弃的wastepaper/water/gas…4.wasten.垃圾v.浪费45.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)doingsth

spendtimewithsb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.5.take-taking-took56.inorder(not)to+v原“为了”=sothatEg.Inordertocatchtheearlybus,shegotupearly.7.There’snoneedforsbtodosth某人没必要做某事=It’snotnecessaryforsbtodosth….=It’sunnecessaryforsbtodosthV实sbneedtodosth某人需要做某事sthneeddoingsth=sthneedtobedone

某事需要被做

Eg.IneedtorepairmybikeMybikeneedsreparing=Mybikeneedstoberepaired

6.inorder(not)to+v原“为6否定句：don’t/doesn’t/didn’tneedtodosth疑问句：do/does/did…..needtodosth?-Yes…do/does/did-No…..V情（只用于否定，疑问句）否定句needn’tdo…疑问句-need/must+主语+do…?-yes,…must/no,…..needn’t/don’thaveto…needn’ttodo(错)否定句：don’t/doesn’t/didn’tneed78.It+be+名词(短语)+todosth做某事是…e.g.It’sone’sjobtodosth.It’smypleasuretodosthIt’sone’sturntodosth

It+be+adj+forsbtodosth做某事对某人来说是…easy/hard/difficult/necessary/imprtant/impossible…

eg.Itisdifficultformetogetupearly.

It+be+adj+ofsbtodosth某人是…(人的品格)good/kind/nice/friendly/clever/(im)politeeg.It’skindofyoutohelpme8.It+be+名词(短语)+todosth做某事是89.providev.提供，供应①providesbwithsth=providesthforsbe.g.Ourschoolprovidesuswithacomfortbleenvironment=?②offersbsth=offersthtosb(主动)

③supplysbwithsth=supplysthfor/tosb10.anywayadv而且,不管怎样，尽管如此Eg.Anyway,weshouldhaveatry11.dependon①依靠，依赖②取决于，视..而定Eg.ThelittleboydependsonhismotherverymuchEg.OursuccessdependsonoureffortIt/thatdepends那得看情况9.providev.提供，供应9depend

vi.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.Hewasafraidoflosinghisindependencedependvi.依赖;依靠;信赖;决定于1012on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.Weshoulddevelophealthyeatinghabbits

developmentn.

发展；成长withthedevelopmentof…随着…的发展developedadj.发达的developingadj发展中的EgAmericaisadevelopedcountryandChinaisadevelopingcountry12on短语1114.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It’sfair/unfair(forsb)todosth做某事是公平/不公平的Eg.

it's

unfair

to

all

the

other

students

in

the

class15.doone’spartin(doing)sth=try/doone’sbesttodosth尽自己努力做某事Eg.Policemanshoulddohispartinprotectingpeopleplayapartinsth/(doingsth)

在…中起作用

takepartin意为“参加，参与（比赛或某活动)Eg.Booksplayanimportantpartinourlife.14.fairnessn.公正性，合理性unfai1215.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.

Sincehewaslazy,hedidn’tfinishhishomework.Hedidn’tcomesincehewasbusy.

(2)since引导时间状语从句,

“自从…以后”常与现在完成时态连用①since+过去一个时间点(如具体的年、月、日期、钟点).e.g.Ihavebeenheresince1989.

②since+一段时间+ago

e.g.Ihavebeenheresincefivemonthsago.③since+从句

Greatchangeshavetakenplacesinceyouleft15.since连词因为，既然；自从…以后1316.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=don’tknowEg.Ihavenoideawhatyoumean=Idon’tknowwhatyoumean18.takecareof照顾，处理takecareof=lookafter=carefor好好照顾：takegoodcareof/lookafter/carefor..welltakecare=becareful=lookout小心，当心Eg.Takecarethatyoudon’tdrinktoomuch16.neighbor可数名词，邻居1419.asaresult&asaresultofasaresult（结果）+句子asaresultof(由于，因为)+n/代=becauseofeg.BillwaslateasaresultoftheheavysnowBillgotuplate,asaresulthewaslateforschool.20.fallill生病fall-felleg.WhatifIfallillwhileI’mawayonholidayfalldown(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19.asaresult&asaresult1522.The+比较级+主+谓，the+比较级+主+谓越..越…Eg.Themoreshelearns,themoreshewantstoleaveThemorewedoforthepeople,thehappierwe’llbe.你越细心，犯的错越少Themorecarefulyouare,thefewermistakesyou’llmake开车越仔细，越安全safeThemorecarefullyyoudrive,thesaferyou’llbeThemoreyoueat,thefatteryou’llbe22.The+比较级+主+谓，the+比较级+主+谓16sectionBsectionB17SectionB1.invitev.邀请n.invitation邀请，请柬invitesbto+地点邀请某人到某地invite

sbtodosth

邀请某人做某事Eg.Heinvitedmetohispartyyesterday

2.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SectionB1.invitev.邀请n.183.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

What'sthematter,youlook

stressed

out.

3.stressn.精神压力；重音194.wasten.垃圾v.浪费awasteof浪费Eg.Playingcomputergamesisawasteoftimewastetime/moneyonsb/sthwastetime/moneyindoingsthEg.Youshouldn’twastetimeinplaying

adj.无用的，废弃的wastepaper/water/gas…4.wasten.垃圾v.浪费205.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)doingsth

spendtimewithsb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.5.take-taking-took216.inorder(not)to+v原“为了”=sothatEg.Inordertocatchtheearlybus,shegotupearly.7.There’snoneedforsbtodosth某人没必要做某事=It’snotnecessaryforsbtodosth….=It’sunnecessaryforsbtodosthV实sbneedtodosth某人需要做某事sthneeddoingsth=sthneedtobedone

某事需要被做

Eg.IneedtorepairmybikeMybikeneedsreparing=Mybikeneedstoberepaired

6.inorder(not)to+v原“为22否定句：don’t/doesn’t/didn’tneedtodosth疑问句：do/does/did…..needtodosth?-Yes…do/does/did-No…..V情（只用于否定，疑问句）否定句needn’tdo…疑问句-need/must+主语+do…?-yes,…must/no,…..needn’t/don’thaveto…needn’ttodo(错)否定句：don’t/doesn’t/didn’tneed238.It+be+名词(短语)+todosth做某事是…e.g.It’sone’sjobtodosth.It’smypleasuretodosthIt’sone’sturntodosth

It+be+adj+forsbtodosth做某事对某人来说是…easy/hard/difficult/necessary/imprtant/impossible…

eg.Itisdifficultformetogetupearly.

It+be+adj+ofsbtodosth某人是…(人的品格)good/kind/nice/friendly/clever/(im)politeeg.It’skindofyoutohelpme8.It+be+名词(短语)+todosth做某事是249.providev.提供，供应①providesbwithsth=providesthforsbe.g.Ourschoolprovidesuswithacomfortbleenvironment=?②offersbsth=offersthtosb(主动)

③supplysbwithsth=supplysthfor/tosb10.anywayadv而且,不管怎样，尽管如此Eg.Anyway,weshouldhaveatry11.dependon①依靠，依赖②取决于，视..而定Eg.ThelittleboydependsonhismotherverymuchEg.OursuccessdependsonoureffortIt/thatdepends那得看情况9.providev.提供，供应25depend

vi.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.Hewasafraidoflosinghisindependencedependvi.依赖;依靠;信赖;决定于2612on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.Weshoulddevelophealthyeatinghabbits

developmentn.

发展；成长withthedevelopmentof…随着…的发展developedadj.发达的developingadj发展中的EgAmericaisadevelopedcountryandChinaisadevelopingcountry12on短语2714.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It’sfair/unfair(forsb)todosth做某事是公平/不公平的Eg.

it's

unfair

to

all

the

other

students

in

the

class15.doone’spartin(doing)sth=try/doone’sbesttodosth尽自己努力做某事Eg.Policemanshoulddohispartinprotectingpeopleplayapartinsth/(doingsth)

在…中起作用

takepartin意为“参加，参与（比赛或某活动)Eg.Booksplayanimportantpartinourlife.14.fairnessn.公正性，合理性unfai2815.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.

Sincehewaslazy,hedidn’tfinishhishomework.Hedidn’tcomesincehewasbusy.

(2)since引导时间状语从句,

“自从…以后”常与现在完成时态连用①since+过去一个时间点(如具体的年、月、日期、钟点).e.g.Ihavebeenheresince1989.

②since+一段时间+ago

e.g.Ihavebeenheresincefivemonthsago.③since+从句

Greatchangeshavetakenplacesinceyouleft15.since连词因为，既然；自从…以后2916.neighbor可数名词，邻居Eg.HeandIarenext-doorneighborneighborhood城区，街区（既指环境也指人）17.hav