新牛津深圳版英语七年级下册第单元知识要点

1、新牛津深圳版英语七年级下册第4单元知识要点一、单词：1.disease疾病(illness)2.convenient方便的(=easier;conveniencen.)3.branch树枝(branchespl.)4.discuss讨论(=talkabout;discussionn.)5.against反对(again)6.container7.example例子(exam;simple)8.harmful有害的(harmn.;harmless)9.oxygen氧气10.produce生产(=make;product;production)11gas气体12.pine松树(fine;line;

2、mine;nine;wine)13hole洞;孔（whole整个的）14.furniture家具（不可数名词;future）15save拯救(safeadj.)16.imagine想象(imaginationn.imaginedoing)17dig挖(dug;digging)18.major主要的(=bigandimportant=main)19carry搬运；携带（marry结婚）20.root根(foot;boot;room;roof)21fight与作斗争（fightern.fought;eight;light;might;night;right;sight)二、词组：1.takein=

3、absorb吸收2.know/learnabout了解；学到3.forexample例如4.infact二asamatteroffact确切的说；实际上5.lookaround环顾四周6.millionsof大量的，数以百万计的乙bemadeof由制成8.inourdailylives在我们日常生活中9.come/befrom来自10.airpollution空气污染11.writedown写下；记下12.withthehelpof在的帮助下13.cutdown砍倒14.begoodfor对有利/好处15.asaresult厶士田曰结果是16.livingthings生物；有生命事物-4-ri

4、1/m-K-bd-r丄17.fightagainst与作斗争18.begoodat=dowellin擅长于；在某方面好19.beindanger处于危险中20.alotof=lotsof=many/much许多21.discuss=talkabout=talkover讨论；商讨22.bebadfor=beharmfulto=doharmto对有害23.havefun=haveagoodtime=enjoyoneself过得愉快；玩得开心24.providesbwithsth=providesthforsb=offersthtosb给某人提供某物三、句型结构：1.stopdoingsth停止做某

5、事2.stoptodosth停下来去做另件事3.imaginedoingsth想象做某事4.imaginesbtodosth想象某人做某事5.helpsbdosth帮助某人做某事6.plantodosth计划打算做某事7. wanttodosth=wouldliketodosth=feellikedoingsth想要做某事想要某人做某事8. wantsbtodosth=wouldlikesbtodosth9.keep/makeadj使keepcleanmaketheroombeautiful辨析：1.carry搬运；携带（无方向性）;take拿走；带走;bring拿来；带来;fecth去拿来=

6、goandbring2.bemadeof由.制成;bemadefromThetableismadeofwood.Thewineismadefromgrapes.由.制成;bemadeupof由.组/构成桌子是用木头制成的。（看得见原材料。）酒是用葡萄酿造的。（看不见原材料。）Chinaismadeupofoverthirtyprovices.中国是由三十多个省组成的。四、语法：现在进行时态1. 定义：现在进行时表示现在正在发生的动作或存在的状态。也可表示现阶段在进行的动作2. 标志（时间）：now=atthemoment提示词：LookListenIts8:00now.对这些时间状语提问时用疑

7、问词when例：Look!Theyareplayingfootball.Listen!Thegirlissingingintheroom.Its12:00now.ishavinglunch3、现在进行时态构成：主语+be动词现在式（am、is、are）+动词ing4、现在进行时的几种句型：一）陈述句（肯定句、否定句）肯定句：主语be（am,is,are）+现在分词Jimissinging.否定句：主语be（am,is,are）+not+现在分词HeisntreadingEnglish.（二）一般疑问句；（变疑问句将be动词移到句首主语前）Be（Am,Is,Are）+主语现在分词IsTomwor

8、kingYes,heis.No,heisnt.（三）特殊疑问句疑问词be（am,is,are）主语现在分词例：Theyareplayingfootballontheplaygroundnow.否定句：Theyarentplayingfootballontheplaygroundnow.一般问句：Aretheyplayingfootballontheplaygroundnow特殊问句：Whataretheydoingontheplaygroundnow肯定式否定式单数Iamworking.Youareworking.He/Sheisworking.Iamnotworking.Youarenotw

9、orking.He/Sheisnotworking.复数We/You/Theyareworking.We/You/Theyarenotworking.附：动词的现在分词的构成规则1、一般情况下，直接加ing,如：cookTcooking、readTreading、lookTlooking2、以不发音的e结尾，去e加ing,如：makeTmaking,haveThaving、writeTwriting3、以一个元音字母+一个辅音字母结尾的重读闭音节动词，双写该辅音字母,再加-ing:runTrunning,stopTstopping、swimTswimming、sitTsitting、begin

10、Tbeginning4、以y或w结尾的动词,直接加-ing:playTplayingflyTflyingthrowTthrowing5、但die（死）Tdyinglie（躺;说谎）Tlyingtie（系;捆）TtyingfixTfixing五、写作指导作文范文：（一）SavethetreesTreesareourbestfriendsonEarth.Theyproduceoxygenforustobreathe,andtheytakeinwastegasfromcarsandotherharmfulgasesfromtheair.Treesalsomakeourlivesmorecomfort

11、ableandconvenient.Lookaroundandyouwillfindthatalotofproductsaremadeofwood.However,treesarenowindanger.Peoplecutdownmillionsoftreeseveryyear.CanyouimaginetheworldwithouttreesInfact,ifwedontstartprotectingthemfromnowon,wellsoonloseourfriends,thetrees.（二）TreesareourgoodfriendsTreesareveryimportantinour

12、dailylife.Theyareourgoodfriends.Treeskeeptheaircoolandclean,theytakeinharmfulgasesfromtheairandproduceoxygenforustobreathe.Theyaremajorfightersagainstairpollutionandmakecitiesbeautiful.Treesmakeourlivesmoreconvenient.Theyprovidealotofusefulthingsforpeople,suchuspaper,foodandoil.Treesalsostopwaterand

13、soilfromgoingaway.Inaword,wecantlivewithouttrees.Weshouldstopcuttingdownmillionsoftreeseveryyear.Weshouldplantmoretreesandtakecareofthem.TreePlantingDayYesterdayitwasMarch12-TreePlantingDay.Wewenttothehilltoplanttresswithourteachers.Therewelearnedhowtoplanttrees.Wealsolearnedalotaboutplants.Forexamp

14、le,treescanhelpcleantheair.Theygiveusfood,suchasapples,oranges,grapes,peachedandpears.Peopleandotheranimalsneedthemtolive.Weplantedalotoftreesyesterday.Wewereverytired,butwefeltveryhappy.I、写出下列动词的现在分词形式：1.sing6、getII、词语释义:1.Airpollutionisamajorpollution.A.bigandimportantB.smallC.easyD.notimportant2.

15、Treesproduceoxygenforustobreathe.A.getB.makeC.goD.take3.Wetalkedabouttheprobleminourclassmeetingyesterdayafternoon.A.discussB.discussedC.thinkD.thought4.DoyoucomefromAustraliaA.Are.fromB.Do.fromC.Do.eD.Are.efrom5.Ireallydidmyhomeworkbymyselfthistime.A.alongB.ofoneselfC.aloneD.havenoti6.Peoplerescued

16、thesleepingbabyfromthefire.A.tookB.carriedC.savedD.dug7.Doyouthinkonepill(药丸)cancureallkindsofdiseaseinthefutureA.cancerB.illnessC.stomachache(胃病)D.cold8.MrGreenisablindman.Healwaysgoeseverywherewithaguidedog.A.canthearB.cantsmellC.cantseeD.cantwalk9.Treesareimportantbecausetheycantakeinharmfulgases

17、.A.makeB.absorbC.stopD.put10.Lifeismoreconvenientthanbefore.A.easierB.harderC.theeasiestD.thehardestIll、根据句意，用所给词的正确形式填空：1.Eatingtoomuchjunkfoodis(harm)forourhealth.2.Thecamel(骆驼)isa(use)animalwhenyoutravelinthedesert3. Jack,canyouhelpme(carry)thisheavybox4. Look!MaryandLucy(play)badmintonontheplayground.5. Look!She(lie)underthetree,lookingintothesky.6. A:WherearethestudentsB:They(have)amusicclass.years.7. MaYunisa(success)man.8. Icantspeak(Franee)thoughtIhavelivedinFrane