Unit2Wishyouwerehere脱口而出Aroadofathousandmilesbeginswithonestep.千里之行始于足下。AllworkandnoplaymakesJackadullboy.只工作，不玩耍，聪明孩子要变傻。Asingleflowerdoesnotmakeaspring.一花独放不是春。趣味背景TanzaniaSafaris（狩猎旅行）AnessentialdestinationonTanzaniasafarisisSerengetiNationalPark,thecountry'slargestandmostfamousreserve.With5,700squaremilesofplainsstretchingasfarastheeyecansee,theSerengetiishometooneofthemostdiversewildanimalpopulationsonEarth.Itisalsooneofthebestplacesonthecontinenttoviewlionprides.SafarigueststraversetheSerengetiinfour-wheel-drivevehiclestospotbuffaloes,cheetahs,leopards,rhinosandmore.Forbreathtakingsightsofthegameastheystiratdawn,sometouroperatorsprovidetheoptionofanearlymorninghot-airballoonrideovertheplains.ThegreatestdensityofwildlifefoundonTanzaniasafarisisintheNgorongoroConservationArea,knownas"Africa'sEden."Itfeaturestheworld'slargestunbrokencaldera—acraterformedbythecollapseofanancientvolcano（火山）.TheNgorongoroCraterspans102squaremilesandencompassesgrasslands,swamps,forestsandlakes,attractingacontinualmigrationofanimals.Safariparticipantsdescendnearly2,000feetintothecratertoobservelargeherdsofzebra,wildebeest,gazelleandtheirpredators.Youmayevenseerareblackrhinosgrazingbythelakes.TheNgorongoroConservationAreaalsocontainstheOlduvaiGorge.Here,MaryandLouisLeakey,famedarchaeologistsandanthropologists,discoveredthefossilized（化石的）remainsoftheearliestknownman,believedtobeabout1.8millionyearsold.ManyTanzaniasafarisexploreLakeManyaraNationalPark.Withdenseforests,bushplains,cliffsandhotsprings,thediverselandgivesrisetoabundantwildlife.Impalas,elephants,giraffes,andthe用心爱心专心world'slargestconcentrationofbaboonsinhabitthepark,whichisalsoknownforitstree-climbinglions.Bird-watcherscangazeuponthousandsofpinkflamingosandyellow-billedstorks.TrueorFalseQuestions1.Theunderlinedrefertothewildanimalsinthepark.()2.Anhot-airballoonrideisanotherwaytoenjoythesightsofsafaris.()3.Inthepark,youcanenjoytheoutbreakofavolcano.()4.Theearliestmanisbelievedtoliveabout1.8millionyearsago.()5.Flamingosandstorksaretwodifferentkindsofwildbeasts.()keys:1-5.T/T/F/T/FPeriodOneWelcometotheUnit目标导航重点词语adventure;leaflet;detail;zebra;giraffe;grassland;rainforest;challenge;常用短语holidaypackages;onthebeach;gotrekking;必备句型Therearealotofamazingadventurestohaveandplacestoseeintheworld.疑难透视1.listentodetailsaboutholidaypackage听假期包办旅行的细节解析detail可用作名词或及物动词，表示“细节”或“详细讲述某事”拓展indetail详细地adetailedplan一份详细的计划活用1.Someofthepassengerstoldthereportersabouttheir______intheburningtrain.A.detailsB.tripsC.eventsD.experiences2.Therearealotofamazingadventurestohaveandplacestoseeintheworld.在世界上有许多惊人的奇遇和可看的地方。解析①用心爱心专心adventure[u]冒险（性），（危险，冒险的）刺激e.g.befondofadventure;asense/spiritofadventure[c]惊险的事、有危险的事e.g.Ahunteroftigershasmanyadventures.Aflightinaplaneusedtobeanadventure.Hetoldmeabouthisadventuresonthelonelyisland.theAdventuresofRobinsonCrusoe.《鲁滨逊漂流记》adventurousadj.拓展英语中有很多名词都有这样用法：如作为抽象名词使用，往往是不可数名词；如作为具体名词（如具体的事或具体的人）时，是可数名词。又如：beauty①Hehasnorealfeelingforbeauty.②Thisrose/girlisarealbeauty.failure①Failureisthemotherofsuccess.(success)②Asawriter,heisafailure,butasalawyer,heisasuccess...
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