高中英语 Unit4 Wildlife protection learning about language课件 新人教版必修2.ppt

Unit4,learningaboutlanguage,Wildlifeprotection,decrease减少increase增加Thenumberofnewstudentsdecreasedfrom210to160thisyear.Thepricewheathasdecreasedby15%.Thisspeciesofbirdisdecreasinginnumbereveryyear.,2.asaresult结果，因此.做状语Heatesomebadfish.Asaresult,hefellill.asaresultof由于的原因后接名词/动名词/what引导的宾语从句Asaresultofwhathesaid,hismothergotveryangry.Hefellfromthehorse.Asaresult,hewasunabletogotoworkthenextday.=Hewasunabletoworkthenextdayastheresultofthefallfromhishorse.,6.asaresultasaresultof,Thedambrokeand_thelandwasflooded.Hefailedintheexam_beingcareless.,asaresult,asaresultof,3.endangerv.使遭受危害endangeredadj.濒危的dangerousadj.具有危险性的dangern.危险,Smokingendangersyourhealth.beindanger处于危险之中beoutofdanger脱离危险Thepatientisindanger.beindangerof处于的危险中Shewassickandindangerof(losingherlife).helpoutofdangerbeadangerto(us)Theyareindanger./Theyareendangered.他们处在危险当中。Theyaredangerous.他们(对别人)危险.,4.dieout灭亡；灭绝Manyanimalshavediedoutinthepast.Manyoldcustomsaredyingout.dieaway声音，风，光等渐渐消失Hehidbehindthedooruntilthefootstepshaddiedaway.dieoff一群生物相继死去Ashegrewolder,hisrelativesalldiedoff.diedown物质特性或情感变弱，逐渐平息Whentheexcitementhaddieddown,theshoppersreopenedtheirshops.,5.lossn.损失；遗失；丧失；败北Hereportedthelossofhiswallettothepolice.Hesufferedalossof10,000dollarsonthebusiness.Ourteamhasalreadyhad3losses.belostin沉迷于，埋首ataloss困惑，不知所措-Hewasatalosswhattosaytotheteachersquestion.-Obviouslyhewaslostinthoughtjustnow.,6.reserve-reservation-预约Wemustreservetwoseatsontheplane.我们必须预定两个飞机座位。(2)保留，存储Youhadbetterreservethemoneyforfutureneed.你最好保留那笔钱以供将来之需。Imustkeepagoodreserveofenergyfortomorrowsexam.(3)保护区Wewatchedthelionsinthenaturereserve.,7.hunt-hunting-hunter,gohuntinghuntfor寻找ahuntingdogHeishuntingforajob.Thedogsarehuntingforthebones.,8.beingleftinpeaceleave(thetigers)inpeaceleave+O.+OC.,leave+O.+N.(leavehimanorphan)leave+O.+adj.(leavethewindowopen)leave+O.+adv.(leavethelighton)leave+O.+doing(leavehimshoutingintherain)leave+O.+done(leavetheillnessuntreated),9.inpeace与atpeace的区别inpeace“处于清静或安谧状态,不被打搅”atpeace“休战，熄争，和睦相处”IwishyoudleavemeinpeaceIvegotworktodo.Thetwocountriesareatpeace.inpeaceatpeaceOnthewhole,theworldnowis_.Generallyspeaking,peopleallovertheworldnowlive_.,atpeace,inpeace,10.Daisyhadalwayslongedtohelpendangeredspeciesofwildlife.longtodosth.longforsth.渴望Werelongingforpeace.Helongedtoseeher.Welongedforthesummertobeoversoon.,11.Beneathourstomachs(复数）Ihaveapaininmystomach=Ihaveastomachache.我肚子痛。Ihavenostomachforthisheavyfood.(胃口）haveastomachfor对有胃口onafullstomach吃饱时onanemptystomach空腹时turnonesstomach想呕吐,12.turnaround转过去，围绕旋转Theearthturnsaroundthesun.turnon/off打开/关掉turnup/down开大/减弱turnto向求助turnagainst反对turnover翻转，考虑turnaway解雇turnback折回,13.inreliefWhentheheadmasterwalkedoutoftheclassroom,thestudentswereinrelief.toonesrelief使某人感到宽慰的是Muchtoourrelief,herinjurieswereonlyslight.,14.burstintolaughterSheburstintotears.Heburstintotheroomwithoutknocking.Theaircraftburstintoflames.,15.Thatsbetter,butIdliketohelpastheWWFsuggests.,Themonitorsuggestedavisittothathillthisweek.Themonitorsuggestedvisitingthathillthisweek.Themonitorsuggestedwe(should)visitthathillthisweek.Theexpertssuggestedtothegovernmentseveralpossiblesolutionstotheproblem.Thesmileonhisfacesuggestedthathewasgladtohelp.,16.protectfrom保护免受危害Heiswearingsunglassestoprotecthiseyesfromthestrongsunlight.Theheavycoatcanprotectmefrom/againstcold.Wemustdosomethingtoprotectthetreesfrombeingcutdown.阻止某人干某事keepsb.fromdoingsth.stopsb.fromdoingsth.preventsb.fromdoingsth.Theschoolstoppedthestudentsfromplayingcomputergames.,17.affecteffecteffectiveaffectsth./sb.=haveaneffectonsth./sb.对有影响Asuddenchangeinweathermayaffectyourhealth.Themedicinehasaneffectonme.,降雨量直接影响庄稼的生长。他们的观点不会影响我的决定。,Theamountofrainaffectsthecrops.,Theiropinionwillnotaffectmydecision.,生效；开始实施,实际上,comeintoeffect开始起作用；见效,ineffecttakeeffect,Theoldmanswords_me,andIalwaysrememberwhathesaid.Lucysaidsheleftherhomeworkathome,_shedidntfinishit.Themedicine_inonehourafteryoutakeit.Thisnewteachingsystemofourschool_nextmonth.,hadaneffecton,ineffect,takeseffect,willcomeintoeffect,18.payattentionto,YouspeakEnglishverywell,butyoudbetter_yourwrittenEnglish.PleasepayattentiontowhatImsaying.,paymoreattentionto,19.appreciate感激；鉴赏；意识到,Iappreciateyourhelp.Hergiftformusicwasnotappreciated.Imafraidyouhaventappreciatedtheproblemofthematter.appreciate+doingIappreciatedbeinginvitedtotheparty.appreciateit+if引导的从句Illappreciateitifyoucanhelpuswiththework.,20.Norainforest,noanimals,nodrugs.没有热带雨林，就没有动物，也没有药物。,Nopains,nogains.Nothingventure,nothinggain.不入虎穴焉得虎子。Nothingseek,nothingfind无求则无获。,现在进行时被动语态的构成：,现在进行时的被动语态有肯定式、否定式、一般疑问式及特殊疑问式四种结构，现分述如下：1.肯定式：由“主语+am/is/are+being+过去分词”构成,其中的am/is/are及being均是助动词，无任何词汇意义。,Anewhouseisbeingbuiltoverthere.Theyarebeingtrainedatthecenter.,2.否定式：由主语+am/is/are+not+being+过去分词构成。Thequestionisnotbeingdiscussedatthemeeting.Iamnotbeinghelpedatpresent.,3.一般疑问式及其回答由“Am/Is/Are+主语+being+过分？”构成，答语一般采用简略式，使用助动词am,is或are。1)Isthecarbeingrepaired?Yes,itis./No,itisnt.2)Aretheybeingtreatedbythedoctors?Yes,theyare./No,theyarent.,特殊疑问式及其回答主要有三种句式，回答时，不能使用yes或no，而应根据实际情况回答。a:疑问词（作主语）is/are+being+过去分词？Whatisbeingdoneoverthere?Anewlakeisbeingbuilt.,特殊疑问式及其回答主要有三种句式，回答时，不能使用yes或no，而应根据实际情况回答。b:疑问词（作定语）主语is/are+being+过去分词？Howmanyapplesarebeingshipped?Onehundredtons.,特殊疑问式及其回答主要有三种句式，回答时，不能使用yes或no，而应根据实际情况回答。c:疑问词+is/are+主语+being+过去分词?Wherearethemachinesbeingrepaired?Inthefactory.,现在进行时被动语态的用法,1.表现正在进行或发生的被动动作，常与now,look等词连用。Heisbeingoperatedoninthehospital.Helicoptersarebeingsent(byus)torescuethemnow.,2.表示现阶段或目前这段时间正在进行的被动动作，但这一被动动作在此时此刻不一定正在发生。Anewfactoryisbeingbuilt.TheyarebeingtaughtEnglishatpresent.,3.表示一种经常性或习惯性的被动行为，常与always,forever,continually,constantly等词连用，往往带有夸张、羡慕、赞扬、责备、厌烦及埋怨等感情色彩。Thenaughtyboyisalwaysbeingscoldedbyhisfather.Tomisalwaysbeingpraisedbytheteacher.,4与情态动词连用，表示对现在正在发生的被动行为的推测。Johnisnothere.Hemustbebeinginterviewed(2)Doyouknowwhatsmithisdoing?Heisill.Hemaybebeingexaminedbythedoctor.,1.注意助动词的运用。现在进行时的被动语态有两个助动词，一是助动词be的相应形式，为现在进行时的助动词；二是助动词being，为被动语态的助动词，这两个助动词缺一不可，并且不可颠倒顺序。这些动物目前正被放了出来。Theanimalsarebeingsetfreeatpresent.,注意,2.注意短语动语后面的介词不可漏掉。有些动词短语如takecareof,lookafter,talkabout等，用于被动结构时，后面的介词不可漏掉。Thebabyisbeingtakengoodcareof.,3.注意动词的性质。有些动词，通常是不及物动词即表示某种情况或状态动词，如：appear,rise,die,happen,occur,lie,belongto,breakout,takeplace,fit,mean,become,fail,consistof,looklike及cost等不可用于被动语态。,4.注意时间状语及上下文的含义。现在进行时的被动语态一般不与表