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Vocabulary&StartingoutUnit5Revealingnature1.LearnthewordsofUnit5.2.Understandtheimportanceofnature,andthinkabouthowtoprotectournature.英译汉1.seed2.disgrace3.geologist4.sample5.ancestor6.characteristic7.worldwide8.giant9.myth10.legend11.cybercrimen.种子,籽n.丢脸,耻辱n.地质学家n.样本n.(动物的)原种,祖先n.特征,特性adv.遍及全世界adj.巨大的,特大的n.(古代的)神话n.传说,传奇n.网络犯罪Activity1
Importantwords.汉译英12.遥远的
adj.13.进化
v.14.猜想,怀疑
v.15.产生,创造
v.16.减少
v.17.责怪,指责
v.18.原始的,低等的
adj.
19.发现,察觉
v.20.把……联系起来;连接
v.
distantevolvesuspectgeneratedeclineblameprimitivedetectlinkActivity2
Importantphrases.1.源于……的,原产于……2.挤满3.适应4.各种各样的,种类繁多的5.是……的栖息地/家乡6.追溯到7.完成(任务);执行;实施8.answerthecall9.beadisgrace10.inquestionbenativetobecrowdedwithadapttoavarietyofbehometodatebacktocarryout响应号召是耻辱,是丢脸的事讨论(议论)中的1.Whatarethey?BeforeyouwatchKomododragon(科莫多巨蜥)Duck-billedplatypus(鸭嘴兽)Nautilus(鹦鹉螺)OriginKomododragonswerefirstencounteredbyWesternresearchersin1910whosaidtheancestoroftheKomododragonmostlikelyevolvedinAustraliaandspreadwestward,reachingtheIndonesianislandofFlores900,000yearsago.SizeTheKomododragonisthelargestlizardintheworld.Itcangrowtothreemetresinlengthandcanweighabout135kilograms.Despiteitssizeandweight,itcanrunforshortdistancesatupto20kilometresperhour.OriginTheoldestdiscoveredfossilofthemodernplatypusdatesbacktoabout100,000yearsago.FeaturesTheduck-billedplatypusisasmallegg-layingmammal(upto60cminlength)foundonlyinEasternAustraliaincludingTasmania.Asitsnamesuggests,ithasamouththatlookslikeaduck’sbill,whileitsthickfurandflattailaresimilartothoseofabeaver(海狸).OriginFossilrecordsindicatethatthenautilushassurvivedrelativelyunchangedforaround500millionyears.“LivingFossil”2.Whatmakesthemspecial?Theyareallspeciesthatexist______________yearsonearth.Theyareoldand_______.thousandsofrare1.Howcantheseedstravel?Seedsusuallyarecarriedbythe____,_____,_______or______.2.Howcanthisbenefitplants?Whileyouwatch1.Howcantheseedstravel?Seedsusuallyarecarriedbythe____,_____,_______or______.windwateranimalspeople2.Howcanthisbenefitplants?In
fact,seedshavea_________chanceatlifewhentheyarefurtherawayfromtheirparentplant.Growingtooclosetotheparentplantmeansseedsmightnotgetenoughsun,waterand_________fromthesoil.Also,aspeciesismorelikelyto_________ifitsmembersaremorewidelyspread.betternutrientssurviveTask1
DiscussionAfteryouwatchWhatHowWhyMapleseedsCarriedby_____Mapleseedshave__________thatspinandkeepthemintheairforlonger.
Dependingonthe____________ofthewind,theycansometimestravelforhundredsofkilometers.CoconutCarriedby_____Whenacoconutfallsfromatreeontothebeach,the_____picksitupathightideandcarriesitawaytogrow
somewhereelse.Itshard_______allowsittofloatonthewaterforalongtime.FleshyfruitsCarriedby______________Manyplantsproduce_________fruitsthatanimalsliketoeat.Theanimalreceivesthenutrientsofthefruit,butthe_______whichcan’tbedigestedispassedoutlater.windwateranimalsorpeoplewingsstrengthseashellfleshydigestedTask2
Completethepassageandreaditcarefully.HowSeedsTravelPlantscannotmovefromplacetoplace,butseedscan.Theycantravelgreatdistances.Theymay1.__________(carry)bythewindoruponthewater.Theymayalsobecarriedbyanimalsorpeople.Seedsthatarecarriedbythewindoftenhavespecialshapes.Mapleseedshavewingsthatspinandkeepthemintheairforlonger,2.________(allow)themtolandinallkindsofplaces.Dependingonthe3.________(strong)ofthewind,theycansometimestravelforhundredsofkilometres.Coconutsarecarriedalongbyoceancurrents.Whenacoconutfallsfromatreeontothebeach,theseapicksitupathightideandcarriesitawaytogrowsomewhereelse.4.___(it)hardshellallowsittofloatonthewaterforalongtime.Anotherwayforseedstotravelisthroughthedigestivesystemsofanimals.Manyplantsproduce5.______(flesh)fruitsthatanimalsliketoeat.Theanimalreceivesthenutrientsofthefruit,6.___itdoesnotdigesttheseed,whichispassedoutsometimelater.becarriedallowingstrengthItsfleshybutOfcourse,animalsmove,sotheseedcaneasilyendupalongwayawayfromtheparentplant,especiallyifthefruitiseatenbyabird.Infact,seedshavea7.______(good)chanceatlifewhentheyarefurtherawayfromtheirparentplant.Growingtooclosetotheparentplantmeansseedsmightnotgetenoughsun,waterandnutrientsfromthesoil.Also,aspeciesismorelikelytosurviveifitsmembersaremore8.______(wide)spread.That’s9.___naturehascomeupwithallsortsofdifferentwaysforseedstotravel.Howandwhyseedstravelarejustsomeexamplesofthewonderfulwaysin10._____natureworks.Perhapswecanlearnsomethingfromthenaturalwo
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