八年级英语上册第七单元知识点一、重要词汇1.turnon打开Miketurnedonhiscomputerandcheckedhise-mail.MyfatheraskedmenottoturnontheTV.turnoff关闭Hedidn’tturnofftheradio,insteadheturneditup.turnup调大,调高Pleaseturnitup,Ican’thearclearly.turndown调小,调低PleaseturndowntheTV.Thebabyissleeping.Yourradioistooloud.Wouldyoumindturningitdown?2.cutup==cut…intopieces切碎Tom,pleasepeelthreebananasandcutthemup\cutthemintopieces.Wemustcutuptheseapples.和有关的短语:cutone’shair理发cutdown砍伐Cutoff切断cutin插嘴3.drink(1)动词,“喝,饮,喝酒”I’mthirsty.Iwanttodrinksomewater.Theydrankalotofbeer.drink\drinkto为…..祝贺,为……干杯Let’sdrinksuccesstothem.Allthefamilydrinktothehealthoftheoldgrandfather.表示“喝水”用drink;用汤匙喝汤用eat;用水“服药”用takePleaseeatmoresoup.Takethismedicinethreedaysaday.(2)名词,“饮料”We’llhaveapicnictomorrow.Ihavetobuysomefoodanddrink.4.pour动词,“倒,倾倒,灌,浇”poursthCanyoupourthedirtywateroutside?poursbsth.wouldyoulikemetopouryouacupoftea?5.put…into(1)把……放进……==put…in…Sheputsherbooksintoherbag.Weputsomemilkintothetea.(2)把……译成……==translate…into…PleaseputthesesentencesintoChinese.和有关的词组:putaway把……收起来放好putup支起,举起Puton穿上putdown放下putoff推迟putout熄灭6.peel(1)动词,“剥,削”peelsb.sth===peelsthforsb.给某人削果皮Pleasepeelanappleforthechild.===pleasepeelthechildanapple.(2)不可数名词,“水果皮,蔬菜皮”applepeelorangepeelpotatopeel7.first,next,then,finally都是表示先后次序的副词。(1)first“首先”,位于句首或句末。有时用firstofall替换表达。First,wehadbettermakeaplan.Whogottothefinishinglinefirst?Firstofall,youmustgetsomeinformationofthatcity.(2)next“其次,接下来,下一次”,可位于句首,句中,句末。Doyouknowwhattodonext?Whenyounextmeether,youshouldsaysorrytoher.(3)then“然后,其次”,常与and连用。Westayedforawhileandthenitwasdark.Hestoppedsuddenlyandthenfellontheground.(4)finally“最后,终于”===atlastFinally,theywonthecup.Hemissedthebus,sofinallyhewenttoschoolonfoot.8.atlast,finally,intheend(1)atlast,指时间的“最后,终于”Hehasfinishedreadingthenovelatlast.(2)finally,指一系列事物或论点的“最后”First,we’lllearnthenewwords,thenthenext,Finallywe’lldosomeexercise.(3)不明确强调时间或事物的“最后”时,atlast和finally可以通用。Atlast\finally,Iunderstoodhim.(4)intheend,表示经过努力之后,可用于将来时;atlast,finally则不可以。有时候,intheend==atlast9.mix动词,“使混合,掺合”常用结构mixAwithB.或mixAandBtogetherMixtheeggsandsugartogetherinthebowl.Ifyoumixbluewithyellow,yougetgreen.mixup,“搅和,拌和,混淆,搞混”Mixupthetomatoeswiththesugar.I’malwaysmixingherwithhertwinsister.10.add…to…把……加到上……Addsomesalttothenoodles.Thefireisgoingout.willyouaddsomewoodtoit?11.howmany“多少”,用来对可数名词的数量提问。Howmanyapplesdoweneed?Howmanyteachersarethereinyourschool?howmuch“多少”,用来对不可数名词的数量提问。Howmuchmilkdoyouneed?HowmuchbreadshouldIbuy?howmuch还可用来提问价格或重量,也可修饰动词用来说明程度。Howmuchisthebook?---Howmucharethevegetables?----It’stwokilos.Youdon’tknowhowmuchImissyou.12.likedoingsth喜欢做某事(经常性的喜欢)Ilikewatchingtv.liketodosth喜欢做某事(具体某次)Iliketoplaybasketballthisafternoon.like还可作介词,表示“像……一样”Shelookslikehermother.Herunslikealion.IwanttobeateacherlikeMrZhang.feellikesth\wouldlikesth想要某物Ifeellikesomefishandchipsforsupper.It’ssohot.Ifeellikeaswim.Wouldyoulikesomehelp?feellikedoingsth想要做某事Ifeellikesleeping\takingawalk.Idon’tfeellikewalkingtoomuchtoday.Doyoufeellikehavingsomethingtodrink?wouldliketodosth.想要做某事,愿意做某事Whatwouldyouliketodonow?Iwouldliketohavedinnerwithyou.13.chicken(1)不可数名词,“鸡肉”Ihadsomechickenforsupper.(2)可数名词,“小鸡”,复数形式为chickens.Ayoungchickeniscalledachick(雏鸡).14.Onthetop在上方,在上面,top作形容词或名词AtthetopofthemountainthetopofapageComeoutontop成功,获胜HeisatthetopofhisclassinChinese.Iliveonthetopfloor.15.help(1)不可数名词,“帮助”Thanksforyourhelp.(2)及物动词,“帮助”Thanksforhelpingme.CanIhelpyou?(3)helpyourself.请自便,请随意。---Excuseme,canIborrowyourbike?----Ofcourse.Helpyourself.(4)helpyourself\yourselvestosth随便吃点……Helpyourselvestosomeapples,boysandgirls.(5)withone’shelp===withthehelpof在某人的帮助下WithMr’sZhang’shelp,hemakesgreatprogress.WiththehelpofMrZhang,hemakesgreatprogress.16.check动词,“检查,调查,核对”,后面直接跟名词作宾语。Didyoucheckyourhomework?Youshouldcheckyourexampaperbeforeyouhandin.二、祈使句祈使句表示命令、提醒、商量,谓语动词用原形。1.祈使句的肯定形式:do型,let型,be型。Goandasktheteacher.Sitdown,please.Let’sgotogether.Becareful!There’sdangerahead.2.祈使句的否定形式:在句首加don’t。Don’tbelateforschool.Don’tletthebabycry.Don’tturnontheblender.3.祈使句的反意疑问句。祈使句表达的是将来时态的动作,反意疑问句的助动词用will;祈使句用于和对方交谈,故变反意疑问句时主语用you。(1)祈使句用肯定形式,反意疑问句用willyou或won’tyou。(2)祈使句用否定形式,反意疑问句用willyou。Putsomerelishonasliceofbread,willyou\won’tyou?Don’tplaycomputergames,willyou?(3)let祈使句的反意疑问句有两种:letus开头用willyou;let’s开头用shallwe。Letusdrinkthemilkshake,willyou?Let’splaytogether,shallwe?练习一、单项选择1.---______doyoumakeabananamilkshake?---Peelthebananafirstandblenditwithmilk.A.WhatB.WhenC.HowD.Where2.Couldyoutake_____forthese__________?A.anyphotos,tomatoesB.somephotos,tomatoesC.somephotos,tomatosD.anyphotos,tomatoes3.--Thebabyissleeping.Please__theTVifyouwanttowatchthegame.---Ok.Iwilldothat.A.turnonB.turndownC.turnoffD.turnup4.Attention,please.theflighthastobe_____becauseoftheheavyrain.A.putonB.putoffC.putawayD.putup5.---Haveyouhadbreakfast,lily?---No,Ididn’t_______likeeatinganythingthismorning.A.lookB.soundC.feelD.taste6.---Shallwestayathomewatchingtvtonight?----No,I’dlike_______andseeamovie.A.togoB.goC.wentD.going7.----Wouldyouliketogoswimmingwithmethisafternoon?----_________,butIhavealotofwo