九年级英语全册Unit13We’retryingtosavetheearth知识点汇总（新版）人教新目标版.docx

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1、Unit13Wearetryingtosavetheearth!SectionA1.playapartin参与+n./pron./vingeg：Iwanttoplayapartinsavingtheearth.2.cutdown减少动副短语cut短语cutin插嘴cutoff切断cutup切碎cutout删除3.advantage优点可数名词havetheadvantageof有……的有利条件beto...advantage对……有利4.makeadifference起作用；有影响makeadifference（to...）（对……）产生影响

2、或作用5.notonly...butalso...不但……而且……连接两个对等的成分，also可以省略eg:Inotonlyplaytennisbut(also)practiseshootingeg:NotonlyMr.Libut（also）hissonlovesthemovie.连接两个主语时，就近原则eg:NotonlydoesMissLilikemusic,but(also)shelikessports6.harmful有害的doharmto对……造成伤害eg:Smokingwilldoharmtoyourhealth.beharmfu

3、lto对……有害eg:Don'treadinthesun.Itisharmfultoyoureyes7.thenumberof……的数量eg：Thenumberofgirlsinourclassis30辨析anumberof许多接可数名词复数谓语动词用复数形式thenumberof……的数量接可数名词复数谓语动词用单三形式8.beagainst...反对反：befor...支持……eg:Iamnotagainstyouridea.Instead,I'mforyou9.现在进行时与now,atthemoment,rightnow,theseda

4、ys...连用eg：SheiswatchingTVnow.现在进行时表将来与come，go，arrive，leave，start等动词连用eg:I’mleavingtomorrow10.现在完成时构成助动词have/has+动词的过去分词eg:HaveyoueverbeentoJapan？固定结构have/hasbeento曾经去过某地，现在已不在某地eg:IhavebeentotheUSAtwice.have/hasgoneto去某地了，可能在途中，也可能到了那里，总之人不在说话处eg:—Where'sJim?—Hehasgonetothe

5、library.have/hasbeenin在某地呆了一段时间，经常与“for+一段时间”连用eg:Wehavebeeninthiscityforthreeyears.11.被动语态基本结构be+动词的过去分词eg:Theglassisbroken转换主动语态Wevisitedthatfactorylastsummer.被动语态Thatfactorywasvisitedbyuslastsummer.感官动词/使役动词变为被动语态时带to主动:IoftenhearMarysinginthenextroom被动：Maryisoftenheardt

6、osinginthenextroomSectionB1.recycle回收利用eg:Werecycleallofourplasticbags.2.throwaway扔掉；抛弃eg:Youcanthrowthemawayifyoudon'twanttheseclothes.3.pull...down拆下；摧毁put短语pulltogether齐心协力pulloff脱去pullout拔出pullin(车等)停下,进站4.winaprize赢得奖品辨析win赢，获胜后接比赛、活动、奖品beat击败；打败后接人或团队等竞争对手5.setup建立set

7、短语setoff/out动身,出发setfree释放setdown写下,记下6.bringback恢复；归还；带回eg:Pleasebringbackthebookstothelibrary.7.creativityn.creator创造者,发明v.create创造adj.creative创造性的SectionA1.playapartin参与+n./pron./vingeg：Iwanttoplayapartinsavingtheearth.2.cutdown减少动副短语cut短语cutin插嘴cutoff切断cutup切碎cutout删除3.

8、advantage优点可数名词havetheadvantageof有……的有利条件beto...advantage对……有利4.makeadifference起作用