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1、Unit;4;Save;The;Trees学问点整理unit4savethetrees学问点整理1. savevt.挽救；挽救eg.Iefsdosomethingtosavetheanimalsindanger.thepolicesavedthechildfromthefire.【拓展】save“节约、储蓄”eg.savemoneysavetime【变形】safeadj.safetyn.2. discussvt探讨后接名词（短语）或Wh.从句及Wh-短语discussionn.eg.wediscussedtheproblem.wewilldiscusswhoshoulddoit.wewilld
2、iscusswhattoteachnextterm.3. leafn.树叶复数：IeaVeS4. fighttor.“为而战fight过去式:foughtfightagainst“与作斗争eg.heisfightingagainsthissickness,theyfightforfreedom.5. providesb.withsth.=providesth.forsb.供应给某人，为某人供应supplysb.withsth.=supplysthtosb.offersb.sth.=offersth.tosb.eg.sheepprovideuswithwool.=sheepprovidewool
3、forus.6.inmanyWayS在许多方面”【短语】bytheway顺便说一下inaway在某种程度上inthewayofsb.阻碍某人onthewayto.的途中inthisway用这种方法7 .keep“使维持（某种状态）keep+名词+形容词eg.thenoisekepthimawake.keep+名词+副词/介词短语eg.don,tkeeptheboyoutside/intheroom.keep+名词+doingeg.shekeptmewaitingforhalfanhour.keepintouchwith与一保持联系；keepback忍住（眼泪）；扣下，隐瞒keepsthinmi
4、nd=remember9 .takein.“承受,吸取”eg.thekindmanwouldliketotakeinthepoorboy.fishtakeinoxygenthroughtheirgills.鱼用腮吸氧气10 .breathei:v.breathen.11 .make平凡用词，指任何东西的制造或制造过程eg.hemadethedeskhimself.produce正式用词，除表示大量生产制造外，还表示缔造eg.thetreewillproducesomeblossomnextyear.1.1 infact事实上，事实上。用作状语，用于强调或订正前句。eg.hedoesn,tmin
5、d,infactheispleased.1.100 okaround=lookround四下环顾vt.vi.eg.lookaroundyoubeforecrossingthestreets.朝各方向看看don*tlookaroundwhenyoustudy.学习时,别东张西望14 .furniture不行数名词（集合用法）表示件数时用pieceeg.wedon,thavemuchfurniture.有多少家具theyboughtafewpiecesoffurnitureyesterday.买了几件家具15 .bemadeof由制成制成品能看出原材料bemadefrom制成品看不出原材料eg.t
6、heshirtismadeofsilk.paperismadefromwood.1.1 imaginevt.设想；想象”不行用于进展时；不行跟动词不定式imagine+名词/动名词/宾语从句imaginationn.eg.canyouimaginethelifewithoutelectricity?ican,timaginewhathelookslike.17 .cutdown把砍到eg.itisnotrighttocutdownthetrees.18 .millionsof”多数的，成千上万的“19 .stopsth./doing停顿某事/做某事（停顿做正在做的事情）eg.didhestop
7、work/workinglatelastnight?hecan,tstoopthinkingaboutit.stoptodo表示中断此时此刻的行动或活动去做另一件事。不定式todo表示目的eg.shestoppedreadingandclosedthebook.istoppedtoreadthenewspaper.20 .payattentionto留意eg.youmustpayattentiontothisproblem.sheaskedtheboytopayattentiontohisspelling.21 .use.tomake=use.formakingeg.weusewoodtoma
8、keatable.=weusewoodformakingatable.用木材制作桌子22 .begoodfor对有好处，对有好处”eg.sportswillbegoodforherhealth.23 .【短语】asaresult结果，因此accordingto依据thehabitofdrinkingtea喝茶的习惯thetangdynasty唐朝25. fallsleep入睡，强调“睡着jasonlaydowninbedandfellasleepalmostimmediately.贾森躺在床上，几乎立刻就睡着了。sleep,beasleep,fallasleep和gotobed都和睡有关，但侧
9、重点不同。SIeeP是动词，asleep是形容词Dsleep强调睡觉这一动作，是持续性动词，可与表示时间的状语连用。e.g.hesleptforeighthours.他睡了八个小时。2) beasleep表示睡着的状态。e.g.thebabyissoundasleep.婴J1.睡得彳艮香。3) fallasleep睡着，表示一个动作的过程。侧重于“自然而然地入睡e.g.idon,tknowwhenifellasleeplastnight.我不知道昨晚什么时候睡着的。4) gotobed指上床准备睡觉的动作。e.g.heusuallygoestobedatteno,clock.他通常十点上床睡觉
10、。26. sometimelater,charliestartedbarking.SOmetimeIater过了一会儿，一些时间之后一段时间+later（时间）之后，过了（时间）eightyearslater,thelittleboybecameanexcellentuniversitystudent.八年之后，这个小男孩成为了一名精彩的高校生。Iater的反义词是ago,一段时间+ago（时间）之前iwenttotheparkthreedaysago.三天前，我去了公园。区分sometime,sometime,sometimes和sometimes1）sometimes有时候e.g.isom
11、etimeshavelettersfromhim.我有时会收到他的来信。2） SOmetimeS几次，几倍e.g.imsurewehavemetsometimesbefore.我确定我们之前见过几次面。3） sometime某个时候e.g.thishousewasbuiltsometimearound11010.这栋房子是Ilolo年左右建立的。4） sometime一段时间e.g.weplantostayinhainanforsometime.我彳门准备在海南待上一段时间。27. atthebottomof在的底部atthebottomofthesteps,thereisabeautifulbeach.阶梯的底部是一个漂亮的海滩。反义词:atthetopof在的顶部finally,theyputtheflagatthetopofthemountain.最终，他们将旗帜插在了上顶上。
