新教材适用2024-2025学年高中英语Unit2WildlifeProtectionSectionⅠListeningandSpeakingReadingandThinking学案新人教版必修第二册

UNIT2WILDLIFEPROTECTION主题语境单元语法单元写作人与自然——人与动植物现在进行时的被动语态爱护野生动物的海报语言学问语音学问多音节单词的读音规律单词巧记illegal,hunter,immediately,rating,alarming,extinction,endanger,concerned,beauty,effective,remove,recover,threaten,goods,emotion,unusual,neighbourhood高频单词alarming,aware,average,concern,adapt,measure,pressure,reserve,observe,remind,profit,attack,recover,remove,intend,exist,reduce,due重点短语dieout,makeout,watchover,searchfor,putout,stirup常用句式Thisiswhy...现在分词短语作状语onlywhen＋部分倒装as引导的状语从句keep＋宾语＋宾补since引导的缘由状语从句if引导的条件状语从句whenitcomesto...sothat引导的目的状语从句[导语]对于很多旅游爱好者来说，南极游可能是一生一次的幻想；但是对于南极“土著”鸟类来说，游客的到来却可能是对它们生命的威逼。英国《新科学家》杂志近日报道称，随着南极游火爆，越来越多游客踏足南极大陆，使得原本与世隔绝、免疫系统脆弱的南极鸟类面临的病菌威逼增加，甚至可能会危及它们的生命。Thankstoitsawfulenvironment，Antarcticaremainedlargelyuntouchedbyhumansforthousandsofyears，allowingagrowingecosystemtodevelop.However，sincethe1990s，thelasttruewildernessontheplanetisbecominganincreasinglypopulardestinationforadventure-seekingtourists.Now，anewstudydeclaresthatthevisitorsmaybeleavingbehindharmfulbacteria(细菌)whichcoulddevastatethearea'snativebirdnumbers.Humanscaninfectanimalswithillnessessuchastheflu.Researchers，however，believedthattheAntarcticanimalsweren'tinfluencedbythedangerduetothecontinent'sextremeweather.However,scientistMartaCerdà-Cuéllarwasnotconvincedthiswastrue.SheandsomecolleaguesdecidedtoexaminewastesamplesfromAntarcticbirdsforevidenceofhumanbacteria.Toensure(确保)thewastewasnotpolluted，thescientistshadtocollectitfromthebirdsthemselves.Theresultsoftheirstudyshowedthepresenceofseveraltypesofhumanbacteriainthebirdwaste.Thisincludedacommonstrainofbacteriathatcausesfoodpoisoninginhumans.Theresearcherssaythebacteriakindswereresistanttocommonly-usedhumanantibiotics(抗生素),provingtheywerebroughtinbythevisitors，ratherthantravelingbirds.“Thesestrains，whichareacommoncauseforinfectionsinhumansandlivestock，donotusuallycausedeathoutbreaksinwildanimals，”saysGonzález-Solís.“However，therisingorinvasive(扩散的)pathogens(病菌)thatarrivetohighlysensitivepopulationscouldhavesevereresultsandcausetheextinctionofsomepopulations.”Theresearcheralsofearsthepresenceofthesebugscouldknowinadvancethearrivalofother，moredeadly，pathogensasthenumberoftouristspeopleincreases.Expertsbelievetheonlywaytopreventthemassdamageofthebirdsistoimposestricterregulationsor，atleast，putintoeffecttheonesalreadyinplace.Forexample，whiletheAntarcticaTreatyrequiresvisitorstocarrytheirwastebackhometosafeguardtheancientenvironment，theregulationisrarelycarriedout.Hopefully，officialswilltakestepstoprotectthevulnerablebirdsbeforeit'stoolate.1．WhatproblemisAntarcticafacingnowaccordingtoParagraph1？AA．Theincreasingnumberoftourists.B．Theworseningwilderness.C．Thereducingnativebirdnumbers.D．Thespreadofinfectiousillness.解析：细微环节理解题。依据第一段的其次、三句话可知，自从90年头以来，大量的游客来到了南极，南极游成为人们热衷的项目，但这也给南极带来了有害的细菌。故选A项。2．Whatdoestheunderlinedword“devastate”mean？AA．Destroy. B．Increase.C．Protect. D．Benefit.解析：词义揣测题。依据画线词前面的“thevisitorsmaybeleavingbehindharmfulbacteria”可知，游客带来有害的细菌，因此会破坏当地鸟类的数量。故选A项。3．WhydidscientistscatchsomeAntarcticaanimals？BA．Totreattheirillness.B．Togettheirwaste.C．Toraisethemaspets.D．Tostudytheirlifestyles.解析：细微环节理解题。依据第三段可知，科学家们不得不捕获鸟类，收集它们的粪便样本，从而对病原体进行分析。故选B项。4．Whatdidscientistsproveintheirstudy？CA．Bacteriacanbekilledbyhumanantibiotics.B．ExtremeweatherkeepsAntarcticaanimalshealthy.C．HumansbringbacteriatoAntarctica.D．Antarcticaanimalsaren'tinfluencedbyhumanbacteria.解析：推理推断题。依据第四段的最终一句话可知，细菌是由游客带到南极的。故选C项。SectionⅠListeningandSpeaking，ReadingandThinkingⅠ.重点单词1．postern．海报2．illegaladj.不合法的；非法的→illegallyadv.不合法地；非法地3．huntvt.&vi.打猎；搜寻；追捕→huntern．猎人4．immediatelyadv.立即5．speciesn．物种6．sharkn．鲨鱼7．alarmingadj.惊人的；使人惊恐的→alarmvt.使惊恐；使胆怯 ；使担忧n．恐慌；警报；警报器8．raten．速度；(比)率vt.划分等级→ratingn．等级；级别9．extinctadj.已灭亡的→extinctionn．灭亡10．massadj.大量的；广泛的n．大量；堆；群11．habitatn．(动植物的)生活环境；栖息地12．awareadj.知道；发觉；有……意识的13．averagen．平均数；平均水平adj.平均的；正常的；一般的14．concernvt.涉及；让……担忧→concernedadj.担忧的；关切的15．livingadj.居住的；活的；在用的n．生活；生计16．adaptvi.适应vt.使适应；使适合17．measuren．措施；方法vt.测量；度量；估量18．authorityn．官方；当权；权威19．pressuren．压力；要求20．whalen．鲸21．reserven．(动植物)爱护区；贮存(量)vt.预订；预留；保留22．plainn．平原adj.简洁明白的；直率的；平凡的23．observevt.视察(到)；凝视；遵守24．beautyn．美；美人；美妙的东西25．remindvt.提示；使想起26．shootvt.&vi.射杀；射伤；放射27．profitn．利润；利益28．attackn．，vi.&vt.攻击；抨击29．effectiveadj.有效的；生效的30．recovervi.复原；康复vt.找回；寻回31．removevt.去除；移开；脱去32．intendvi.&vt.准备；安排；想要33．threatn．威逼→threatenvt.威逼；危及34．existvi.存在；生存35．harmonyn．和谐；融洽36．goodsn．商品；货物37．creaturen．生物；动物Ⅱ.重点短语1．onearth(放在疑问词之后表示强调)原委；究竟2．dieout灭亡；渐渐消逝3．awareof意识到；知道4．makeprogress取得进步5．onaverage平均6．beconcernedabout对……关切的；为……担忧的7．adaptto适应8．underpressure在压力下；承受压力9．makeout看清；听清；分清10．remindsb.ofsb./sth.使某人想起(类似的人或物)11．watchover爱护；照管；监督12．dayandnight日日夜夜；夜以继日13．indangerof...处于……危急中14．takemeasurestodosth.实行措施做某事15．infrontof...在……的前面16．trytodosth.设法做某事17．morethan超过；多于18．inharmonywith与……协调/和谐19．aslongas只要Ⅲ.重点句型1．Thisiswhywe'rehere—toobserveTibetanantelopes.这就是我们来这里的缘由——视察藏羚羊。2．Watchingthemmoveslowlyacrossthegreengrass，I'mstruckbytheirbeauty.看着它们渐渐地穿过绿色的草地，我被它们的漂亮所打动。3．Theirhabitatswerebecomingsmallerasnewroadsandrailwayswerebuilt.随着新的马路和铁路的修建，它们的栖息地变得越来越小。4．Thegovernment，however，doesnotintendtostoptheprotectionprogrammes，sincethethreatstotheTibetanantelopehavenotyetdisappeared.然而，政府并没有准备停止这些爱护项目，因为对藏羚羊的威逼依旧存在。5．Onlywhenwelearntoexistinharmonywithnaturecanwestopbeingathreattowildlifeandtoourplanet.只有学会和大自然和谐共处，我们才不会成为野生生物和地球的威逼。Ⅳ.课文预读一、Readingforthemainidea1．ThetextmainlytellsusC.A．thedangerTibetanantelopesareinB．whatnationalprotectionmeansC．whathumanbeingsdoforwildlifeanimalsD．themeasuresthegovernmenttakes2．Findoutthemainideaofeachpart.Para.1A．Wemustchangeourwayoflife.Paras.2～3 B．We'reheretoobserveTibetanantelopes.Para.4C．ThedangerTibetanantelopesarein.Paras.5～6 D．Thegovernmenttookeffectivemeasures.Para.7E．Tibetanantelopeshadahardtime.答案：Paras.1－7BCEDA二、Readingforthedetails1．WhydidtheauthorcometoTibet？CA．Toenjoythebeautifulscenery.B．Tosavetheendangeredantelopes.C．ToobserveTibetanantelopes.D．Todoascientificresearch.2．Whydidthepopulationofantelopesdropsobadlyinthe1980sand1990s？DA．Becauseoftheextremeclimate.B．Becauseofaseriousdisease.C．Becauseofbeinghitbycarsandtrains.D．Becauseofbeinghuntedandthelossoftheirhabitats.3．WhatwasdonetoprotecttheTibetanantelopes？BA．Movingthemtoanationalzoo.B．Watchingoverthemandaddingsomebridgesandgates.C．Establishingaresearchcentretostudythem.D．Limitingthenumberoftouriststotheplain.4．Whywilltheprotectionprogrammesoftheantelopecontinue？CA．Becauseitspopulationisstilldecreasing.B．Becausetheyarestillendangeredanimals.C．Becausethethreattothemhasstillexisted.D．Becausetheformermeasuresdidn'tworkwell.5．Howcanwedotosavetheplanetaccordingtotheauthor？DA．Todevelopeconomy.B．Toimproveeducation.C．Tostudytheplanet.D．Toliveinharmonywithnature.核心单词1.huntvt.&vi.打猎；搜寻；追捕Weatherpermitting,we'llgohuntingthisSundaymorning.假如天气允许，我们这个星期日上午要去打猎。AsfarasIknow,sheisstillhuntingforanewjob.据我所知，她还在找寻新工作。G归纳拓展J即学即练单句语法填空①Theyhaveplannedtogohunting(hunt)inthatmountainarea.②I'vehuntedeverypossibleplaceformywatch,butIcan'tfindit.③Thehunterwashunting(hunt)forhispreywhenhewaslost.2.alarmvt.使惊恐；使胆怯 ；使担忧n．恐慌；警报；警报器Idon'twanttoalarmyou,butthere'sastrangeman.我不想吓着你，不过有个生人。Environmentalistsarealarmedbythedramaticincreaseinpollution.污染的急剧加重令环保主义者胆怯 。Hedecidedtosoundthealarm.他确定发出警报。G归纳拓展T图解助记J即学即练单句语法填空①Alarmed(alarm)bythesharpfallofthestockmarket,thousandsandthousandsofstockholderssoldouttheirstockatasacrifice.②Everybodywasalarmedat/bythenewsthatwarmightbreakout.③Onseeingthesnake,heranawayinalarm.完成句子④Iamratheralarmedtohearyouareplanningtoleavethecompany.听说你准备离开公司，我很担忧。3.awareadj.知道；发觉；有……意识的Mostpeopleareawareofthedangersofdrunkdriving.大多数人知道酒后开车的危急。Asamemberofsociety,I'mawarethatbeingresponsibleiswhatittakestomakeabettersociety.作为社会的一员，我意识到有责任感是建设更好社会所须要的。G归纳拓展J即学即练单句语法填空①Themeetingaimedatstrengtheningsafetyawareness(aware)ofemployees.②ItwasseveralminutesbeforeIwasawareofwhatwashappening.③Tonyseemedveryshallowandhedidn'tbecomeawarethatthereweremanypotentialdangers.完成句子④Everybodyisawareoftheseriousnessofpollution.每个人都意识到污染的严峻性。⑤Ontheotherhand,peoplelacktheawarenessofprotectingtheenvironment.另一方面，人们缺乏环保意识。4.averagen．平均数；平均水平adj.平均的；正常的；一般的Onaverageeachreportrequires1,000hourstoprepare.准备一份报告平均须要1000小时。Hisaverageincomeistenpoundsaweek.他的平均收入为一星期十英镑。Therainfallthisyearisbelowaverage.今年的降水量低于平均水平。G归纳拓展T图解助记J即学即练推断下列句子中average的词性及含义①Anaverageadultmanburns1,500to2,000caloriesperday.adj.一般的②Mr.Smith'ssalaryisbelowaverageinhiscompany,whichmakeshimupset.n．平均水平③What'stheaverageweightofluggagethatIcantakeaboard？adj.平均的单句语法填空④Thetemperaturehereinsummeristwentycentigradeonaverage.⑤Tomisatopstudent,andheisabovetheaverageinhisreadingability.⑥Thoughheworkshard,hismarksarestillbelowaverage.⑦Doyouknowthatwespendanaverageofsixhoursadaycommunicating?5.concernvt.涉及；让……担忧Sheconcernsherselfaboutherson'sfuture.(＝Sheisconcernedaboutherson'sfuture.)她为儿子的将来担忧。Everyoneconcernedwiththismatterhasbeenidentified.与这件事有牵连的人都已查明。AsfarasI'mconcerned,Ithinksportsaregoodforyou.就我来说，我认为体育运动对你有好处。G归纳拓展W误区警示concerning介词，意为“有关；关于”；concerned形容词，意为“有关的，相关的”，常作后置定语。J即学即练单句语法填空①AsfarasI'mconcerned(concern),theideaiscrazy.②Infact,Johnhasneverbeenconcerned(concern)aboutwhatothersthinkofhim.③Myteacherislookingatmewithconcern.④Severalparentsshowedtheirgreatconcernabouttheirchildren'ssafetyatschool.⑤Themeetingwasconcernedwiththesystemreformsandeveryonepresentwasconcernedabouttheirowninterests.⑥Whatconcerns(concern)meisourlackofpreparationforthechange.6.adaptvi.适应vt.使适应；使适合；改编Sheadaptedherselfquicklytothenewclimate.她很快适应了这种新气候。It'shardtoadaptthisnovelforthefilm.要将这小说改编为电影很困难。G归纳拓展T图解助记W误区警示adapt和adopt词形相近，但adopt意为“收养，接受”，留意拼法不同。J即学即练单句语法填空①Adapted(adapt)fromJ．K.Rowling'sbookseriesofthesametitle,theHarryPottermoviesareuniversallyacknowledgedasclassics.②AsfarasIamconcerned,theTVplayisadapted(adapt)fromatruestory.③Ittookhimawhiletoadapthimself(him)tohisnewsurroundings.④Threeofhernovelshavebeenadaptedfortelevision.完成句子⑤Toallofyou,freshstudents,howtoadaptyourselftothenewenvironmentisthefirstthingthatyouhavetoface.对于你们全部的新生来说，如何使自己适应新环境是你们不得不面对的第一件事。7.measuren．措施；方法vt.测量；度量；估量Hemeasuredthelengthoftheroom.他量了房间的长度。Weshouldtakesomemeasurestohelpthepoor.我们应当实行一些措施来帮助穷人。G归纳拓展T图解助记W误区警示measure表示“有……长(宽、高等)”时，是系动词，后跟测量的结果，不用被动语态及进行时态。J即学即练单句语法填空①(2024·浙江卷)Forthestudy,191womenwithanaverageageof50tookabicycleexercisetestuntiltheywereexhaustedtomeasure(measure)theirpeakcardiovascularcapacity.②Afterthetyphoon,peoplefoundsometalltrees,measuring(measure)morethan10meters,lyingontheground.③Measuresmustbetakentomeet(meet)thesituation.完成句子④Toourjoy，thelocalgovernmenthastakensomemeasurestopreventhaze.令我们兴奋的是，当地政府已经实行措施阻挡雾霾。⑤AsfarasIamconcerned,you'dbettermakeauniformtoyourownmeasureratherthanbuyone.就我而言，你最好按你自己的尺寸做一套制服，而不是买一套。⑥Therearemanythingsinourlifewhichcannotbemeasuredbydata.我们生活中的很多东西是不能用数据衡量的。8.pressuren．压力；要求Thenurseappliedpressuretohisarmtostopthebleeding.护士压住他的胳膊止血。Heisunderpressuretoraiseafamily.他承受着养家糊口的压力。G归纳拓展T图解助记J即学即练单句语法填空①Underpressure,theyhadtomaketheirownliving.②ExtralessonsonSundaysputmorepressureonstudents,whoalreadyhavepilesofhomeworktodo.③Hehadtogiveuptheworkheloveddeeplyunderthepressureofhisparents.④Thepressure(press)ofbeingadoctorcausesmestress.9.reserven．(动植物)爱护区；贮存(量)vt.预订；预留；保留Therearealotofnaturereservesinthisvastarea.在这个广阔的地区有很多自然爱护区。Thecity'sreserveofwaterislow.该市的贮水量不大。I'dliketoreserveatableforthreeforeighto'clock.我想预订八点钟供三人用餐的桌位。Hestillreservedhisopinionsonsomepoints.在一些问题上，他仍旧保留自己的看法。G归纳拓展T图解助记J即学即练单句语法填空①Theseatsreserved(reserve)forchildrenandseniorsarerightatthefrontofthebuses.②Wemustreservesomeofthiscornfornextyear'sseed.③Chinasuppliesmorethan90percentoftheworld'srareearthmetals,butitsreserves(reserve)onlymakeupaboutone-thirdoftheworld'stotal.推断下列句子中reserve的词性及含义④Theseseatsarereservedfortheelderlyandwomenwithbabies.vt.保留⑤Tosavebears,Ithinkmorereservesforbearsshouldbesetupsothattheycanlivetherefreely.n．(动植物)爱护区⑥Icometocollectmytickets—IreservedthembyphoneyesterdayinthenameofJones.vt.预订10.observevt.视察(到)；凝视；遵守；庆祝IfelthewasobservingeverythingIdid.我觉得他正视察我做的每一件事。Thepoliceobservedthatthedriverdidnotobservethetrafficrules.警察留意到那个司机没有遵守交通规则。EarthDaywasfirstobservedintheUSinthespringof1970.人们第一次庆祝“地球日”是于1970年春天在美国。G归纳拓展T图解助记J即学即练推断下列句子中observe的含义①Thoughhavinglivedabroadforyears,manystillobservethetraditionalChinesecustoms.遵守②Thescientistdevotedmostofhislifetoobservingthebehavioroftheelephant.视察③ThefirstUNChineseLanguageDayattheUnitedNationswasobservedonFridayatUNHeadquartersinNewYorkin2010.庆祝单句语法填空④OnthetopofMountainTai,peopleexcitedlyobservedthesunrising(rise)fromthesea.⑤LastnightBrucewasobservedtoleave(leave)thebuildingwithtwoyoungmenandtakeataxiaway.⑥Observation(observe)isanimportantscientificresearchingmethod.11.remindvt.提示；使想起Thatsongalwaysremindsmeofourfirstdate.那首歌总使我回忆起我们的第一次约会。Whatyou'vejustsaidremindsmethatImustgetsomecash.你刚才的话提示了我，我得带上一些现金。Pleaseremindmetowritetomymothertomorrow.请提示我明天给我母亲写信。G归纳拓展J即学即练单句语法填空①(2024·新高考Ⅰ卷)GoingtoMountHuangshanremindsmeofthepopularBeatles'song“TheLongandWindingRoad”．②Passengersarereminded(remind)thatnosmokingisallowedonthistrain.③Weputupaboardtoremindpeopletoprotect(protect)thetrees.④Mymotherremindedmetoturn(turn)offthelightswhenIwentout.⑤However,herdadremindedherthatsugarytreatswerebadforherteeth.完成句子⑥Thankyouforremindingmeofthetimeofthemeeting,orIwouldhavebeenlate.感谢你提示我会议的时间，不然我就迟到了。12.attackn．，vi.&vt.攻击；抨击Atdawnthearmyattackedthetown.军队在拂晓时向这座城镇发动了进攻。Hegotaseriousheartattack.他得了严峻的心脏病。G归纳拓展T图解助记J即学即练单句语法填空①Thekillerinsistedthatshewasdefendingherselfwhenattacked(attack)．②Theenemymadeanattackonthesmalltownlastnight.推断下列句子中attack的词性及含义③Theenemyattackedourairportallnight.vt.攻击④Infact,theuntruthfulwordsmadeapersonalattackonme.n．抨击⑤Thedoctorsaidthathisheartattackmaybeconcernedwithhisoverwork.n．(疾病的)发作13.recovervi.复原；康复vt.找回；寻回Shehasrecoveredfromtheoperation.她动了手术，且已经复原了。Thepolicerecoveredthestolenjewellery.警察找回了被盗的珠宝。G归纳拓展J即学即练单句语法填空①Sherecoveredfromhersurprise,andansweredcalmly.②He'sinhospital,recovering(recover)fromaheartattack.③Aboutsomeminuteslater,thegirlrecoveredherself(her)．④Tohisparents'relief,theboymadeaquickrecovery(recover)aftertheoperation.完成句子⑤Theboyisgraduallyrecoveringfromhisheartoperation.心脏手术后，这个男孩渐渐地痊愈了。⑥Heseemedupsetbutquicklyrecoveredhimself.他显得不安，但很快就静下心来了。14.removevt.去除；移开；脱去Thebooksmaynotberemovedfromthelibrary.这些书不能带出图书馆。Themanwasremovedfromthepostbecausehebroketherulesandregulationsofthecompanybydesign.这个人由于有意违反公司的规章制度而被开除了。OnlyafterheremovedhisdarkglassesdidIrecognizehim.他摘掉墨镜后我才认出他来。G归纳拓展T图解助记J即学即练单句语法填空①Whenfatandsaltareremoved(remove)fromfood,thefoodtastesasifitismissingsomething.②You'dbetterhavetheoldfurnitureremoved(remove)．③Youlooksoworried.Youmustremoveyourselffrompressure.④Onceformed,thebadhabitsarehardtoremove(remove)．15.intendvi.&vt.准备；安排；想要Iintendtocome/comingbacksoon.我准备很快就回来。Thebookisintendedforchildrenaged8—12.这本书是专为8到12岁的儿童写的。Iintendedtohavegivenhimahand,butIwastoobusythen.我本准备帮他，但是我那时太忙了。G归纳拓展J即学即练单句语法填空①Thecourseisintendedforstudentswhowishtoimprovetheirorganizationalskills.②Myearlyintention(intend)ofgardeningmayhaveoriginatedfrommylovefornature.③Thehunterintendedtosell/selling(sell)thegoodstomakeaprofit.④Itwasmeanttobeasurprise;Ididn'tintendyoutosee(see)itsosoon.⑤Thejourneywasintendedtoachieve(achieve)morethanwhatCaptainRobertFalconScotthaddone.16.existvi.存在；生存Nothingexistsonthatplanetasthereisnowaterandnoair.那个星球上没有东西生存，因为那里没有水和空气。Thereexistdifferentopinionsamongmiddleschoolstudentsontheschooluniform.关于校服，中学生有很多不同的观点。G归纳拓展J即学即练单句语法填空①(2024·浙江卷)Celebrateprogressandkeeprefining(改进)towardahappyproductiveexistence(exist)．②Alotoftallbuildingshavecomeintoexistence(exist)．③Eventhoughheisalittleboy,strangeideasalwaysexistsinhismind.④Theoldladybecameseriouslyilllastweek;shehasonlyexistedonmilkeversince.必备短语1.dieout灭亡；渐渐消逝Scientistssaidthatthoseplantsdiedoutacenturyago.科学家们说那些植物一个世纪前就灭亡了。Shewaiteduntilthefootstepshaddiedaway.她始终等到脚步声渐渐消逝。Afterawhile,thewindbegantodiedown.过了一会儿，风起先减弱。G归纳拓展J即学即练单句语法填空①Withthelivingenvironmentbecomingworse,manyspeciesaredyingout.②Theylookedupintotheskyuntilthenoiseoftherocketdiedaway.③Althoughthewindhasdieddown,therainremainssteady,soyoustillneedaraincoat.④LondonwasanewworldtomeandIwasdyingtofind(find)outmoreaboutit.完成句子⑤Californiacondorsattractresearchers'interestbecausetheyalmostdiedoutinthe1980s.加利福尼亚的秃鹰吸引着调查者的爱好是因为它们在20世纪80年头几乎灭亡。⑥Thewindhasdieddownquitealot.风小多了。⑦Asaresult,manyspeciesarequicklydyingout.因此，很多物种正在快速灭亡。2.makeout看清；听清；分清Althoughhehadnotseenhissisterfortwentyyears,Tommadeheroutassoonasshegotofftheplane.尽管他二十年没有见过他的姐姐了，姐姐一下飞机汤姆就认出了她。Hedeterminedtoworktwiceashardasbeforetomakeupforthelosttime.他确定加倍努力工作，把失去的时间补回来。G归纳拓展J即学即练单句语法填空①Withoutmyglasses,Icouldn'tmakeoutwhetherthatfigureontheblackboardwasathreeoraneight.②Insomelanguages,100wordsmakeuphalfofallwordsusedindailyconversations.③Hardworkcanoftenmakeupforalackofability.④Thestudentspresentatthemeetingcouldnotmakeoutwhathewastalkingabout;itwastoodifficultforthemtounderstand.3.watchover爱护；照管；监督WillyouwatchovermyclotheswhenIhaveaswim?我游泳时你帮我看一下衣服好吗？Theydidnotwatchoverthisman.他们并没有监视这个人。Pleasewatchoutwhencrossingthedangerouscross.通过危急的交叉路口时要当心。G归纳拓展J即学即练单句语法填空①Watchout!There'sacarcoming.用watch短语填空②Theremusthavebeenanangelwatchingovermethatday.③WhatproblemsshouldIwatchoutforwhenbuyinganoldhouse?④You'llbecomeanalcoholicifyoudon'twatchout.重点句型1.Thisiswhywe'rehere—toobserveTibetanantelopes.这就是我们来这里的缘由——视察藏羚羊。J句型剖析该句是主从复合句。whywe'rehere是表语从句，why在从句中作缘由状语。动词不定式toobserveTibetanantelopes对表语从句进行说明。Hestayeduplastnight.Thiswaswhyhedidn'twakeupthismorning.他昨晚熬夜了。这就是他今早没醒来的缘由。Thehosthastowaitawhile.That'sbecausetheguestshaven'tturnedup.主子得等一会儿。那是因为客人还没来。Thereasonwhyhewasremovedfromhisjobisthathedidn'tworkhard.他被开除是因为他工作不努力。G归纳拓展J即学即练单句语法填空①Plantsareveryimportant.Thatisbecausetheycanmakefoodwiththehelpofair,waterandsunlight.②Hedidn'tattendthemeetinglastnight.That'swhyhedoesn'tknowourplanforthepicnic.③Thereasonwhyyougotintoapanic(恐慌)wasthatyouhadn'tbeenwellpreparedforwhat'sgoingtohappen.④Thereasonforhisbeingangrywasthathisstudentswererudetohim.句型转换⑤Tomcamelateforthemeetingbecausehewasstuckinthetrafficjam.Tomwasstuckinthetrafficjam.Thatwaswhyhecamelateforthemeeting.2.Watchingthemmoveslowlyacrossthegreengrass,I'mstruckbytheirbeauty.看着它们渐渐地穿过绿色的草地，我被它们的漂亮所打动。J句型剖析本句中Watchingthemmoveslowlyacrossthegreengrass是现在分词短语作时间状语，相当于WhenIamwatchingthem...。Hewalkeddownthehill,singingsoftlytohimself.他从山上走下来，一路哼着小曲儿。(伴随状语)Hedroppedtheglass,breakingitintopieces.他把玻璃杯弄掉了，结果杯子摔得粉碎。(结果状语)Hecamerunningintotheroom.他跑进屋来。(方式状语)G归纳拓展W误区警示(1)现在分词表示结果时，指自然而然的结果。(2)不定式也可以表示结果，是出乎意料的结果，且多与only或just连用。J即学即练单句语法填空①Everyonewassilent,waiting(wait)toseewhowouldbecalledupontoreadhisorherparagraphaloud.②ThevisitorsstoodontopofMountainTai,enjoying(enjoy)therisingsun.③Thehospitalhasrecentlyobtainednewmedicalequipment,allowing(allow)morepatientstobetreated.④Likeancientsailors,birdscanfindtheirwayusing(use)thesunandthestars.⑤Anxiously,shetookthedressoutofthepackageandtriediton,onlytofind(find)itdidn'tfit.⑥Finding(find)thecourseverydifficult,shedecidedtomovetoalowerlevel.⑦Feeling(feel)exhaustedattheendofthejourney,shesoonfellasleep.⑧Theboysatinfrontofthefarmhouse,cutting(cut)thebranch.3.Onlywhenwelearntoexistinharmonywithnaturebeingathreattowildlifeandtoourplanet.只有当我们学会与自然和谐相处时，我们才能停止对野生生物和我们的星球的威逼。J句型剖析本句是only＋状语从句位于句首引起的倒装句。正常语序是：Wecanstopbeingathreattowildlifeandtoourplanetonlywhenwelearntoexistinharmonywithnature。only作状语修饰由when引导的时间状语从句。OnlythendidIrealizethemistakesIhadmade.只有到那时我才意识到我所犯的错误。OnlyafterIhadreadthepoemasecondtimedidImakesenseofit.我把这首诗又读了一遍之后才理解了它的含义。Onlyhecananswerthequestion.只有他能回答这个问题。G归纳拓展T图解助记J即学即练单句语法填空①Onlyifyouworkhardcanyoupassthetest.完成句子②OnlywhenIreachedthetopofthemountaindidIfeelagreatsenseofachievement.只有当我到达山顶时，我才有极大的成就感。③Onlythendidwerealizethatwewerelost.到那时我们才意识到我们迷路了。把下列句子变成以only开头的倒装句④Weshallbeabletomakeourearthacleanerplanetonlywitheveryonedoinghispart.Onlywitheveryonedoinghispartshallwebeabletomakeourearthacleanerplanet.⑤Theteacherrealizedthatshehadleftthespeechnoteathomeonlywhenshewalkedintotheclassroom.Onlywhentheteacherwalkedintotheclassroomdidsherealizethatshehadleftthespeechnoteathome.⑥Iwillhaveachancetoachievemydreamonlythen.OnlythenwillIhaveachancetoachievemydream.Ⅰ.单词拼法1．Wewenttothemeetinghallatthetimeasannouncedintheposter(海报)．2．Itisillegal(非法的)andcouldendangerotherpeople'slives.3．Igotintouchwithhimimmediately(立即)afterIreceivedtheletter.4．Thereare