高三英语课件Unit13TheUSA高三英语课件

Unit13TheUSAI.Getthekeysentences1.In1626theislandofManhattanwasboughtfromlocalIndians,NativeAmericans,forahandfulofgoodsworthabout$24.曼哈顿岛是于1626年从当地的印地安人即美洲土著人手中买来的，只花了价值约为24美元的为数不多的钱。2.AftertheWarofIndependenceended,NewYorkbecamethecapitaloftheUSAforashorttime(1780-1790).独立战争结束后，在华盛顿成为首都之前，纽约市曾是美国的首都，不过时间很短。3.By1820thepopulationofNewYorkhadgrowntoabout125,000,makingitthelargestcityintheUSA.到1820年，纽约的人口增长到约12万5千人，使它成为当时美国最大的城市。4.In1858anareaofpoorhousing,factoriesandfarmbuildingswastorndownandCentralParkwascreated,reachingfrom59thStreetto110thStreetandcrossthreeavenues.1858年拆除了一大片破旧的房子，工厂和农舍，建起了中央公园，这个公园从59号街延伸到110号街，跨越三条大马路。5.In1892theageofmassarrivalsbegan,duringwhich15millionnewpeoplepassedthroughEllisIslandintotheUSAoveraperiodof62years.1892年开始了一个国外移民大量涌入的年代，在随后的62年中，有1500万新来的人通过埃利斯岛进入美国。6.PeoplewhowantedtoentertheUSAhadtogothroughanumberofmentalandphysicaltestsandabout2millionpeoplewereturnedaway.想要进美国的人都必须经过多次的智力测验和体格检查，大约有200万人不准入境。7.A55-storeybuildingwentupin1913,andin1931theEmpireStateBuildingwascompleted,thenthetallestbuildingintheworld.1913年一座55层高的大楼拔地而起。1931年帝国大厦落成，这在当时是世界上最高的大厦。8.Itisthoughtthattheyarrivedmorethan30,000yearsagobycrossingalandbridgefromAsiatoAmerica.他们被认为是在3万多年以前从亚洲跨过一座陆桥来到美洲的。9.Thebisongrowstoashoulder-heightof1.5metersandcanweigh1,100kilograms.牛可以长到肩高1.5米，重达1100公斤。10.From1830onwardsintheUSAandfromabout1870inCanada,settlersbegantomovewestwardsandtotakepossesionoftheplainsastheirown.美国自1830年起，加拿大从大约1870年起，殖民者开始向西迁移，并把平原椐为己有。11.InthiswayNativeAmericanswereforcedontopoorlandthatthesettlersdidnotwant.就这样，美洲土著人被赶到殖民者所不要的土地上去了。12.Itwasalsothoughtthatbyremovingtheirmainsupplyoffood,theNativeAmericanswouldbeforcedtogivein.当时还有人认为，断掉了主要的粮食来源，土著人就会被迫屈服。13.Between1850and1910thebisonpopulationisthoughttohavefallenfrom60milliontojustafewhundred.人们认为，在1850年到1910年之间，野牛的头数从6千头下降到只有几百头。14.Thusonesimplefact,achangeinthenumberofbison,hadaneffectonthewholewildlifechainontheplains.因此，这样一个简单的事实-----野牛数目的变化----对平原的整个野生生物链都产生了影响。II.ReadingcomprehensionTheUnitedStatescoversalargepartoftheNorthAmericancontinent.ItsneighboursareCanadatothenorth,andMexicotothesouth.AlthoughtheUnitedStatesisabigcountry,itisnotthelargestintheworld.In1978,itspopulationwas200,000,000.WashingtonD.C.isthenation’scapital.Itspopulationisabout750,000,butseveralothercitieshavealargerpopulationthanthat.NewYork,Chicago,LosAngelesandPhiladelphiaarealllargerthanthecapital.WashingtonD.C.isonlytheninthlargestcityinthcountry,butitisoneofthemostbeautifulcities.WhenthelandfirstbecameanationafterwinningitsindependencefromEngland,ithadthirteenstates.Allthosestateswereintheeasternpartofthecontinent.Asthenationgrewtowardthewest,newstatesappeared.Foralongtime,therewere48states.In1959,however,AlaskaandHawaiibecametheforty-ninthandfiftiethstates.Amongthefiftystates,Alaskaisthebiggest.TexasissmallerthanAlaska.III.GrammarThesubject主语1.名词作主语1)Camelsareusuallyregardedasboatsinthedesert.2)Pollutionhasbecomeaworldwideproblem.3)Coffeecupwasbrokenbyhim.2。非谓语动词作主语1)FindingsomewheretoliveinNewYorkisabigproblem.2)Ridingabicycleisfun.3)Tochoosetimeistosavetime.4)Itisdifficulttodriveinthemountains.3.主语从句1）Thathewasfondofmusicwasclear.2)Whetherhewillgototheenergyconferenceremainsaquestion.3)Whofetchedthechequefromthbankwasunknown4)Whysheboughtsomanyhatsisapuzzle.5)Whathesaidmustbetrue.6)Whenandwherewewillhavethemeetinghaven’tbeendecided.7)Whattheworkersinsistedonwasthattheybegivenmorepay.8)Wherehegotitisunknowntousall.9)Howmanypeoplediedfromhungerwillneverbeknown.4.同位语从句作主语1）Thefactthathesucceedeintheexperimentpleasedus.2)Thereasonwhyhesoldthecarwasthatitwastoosmall.3)Theideathatinthefuturethecomputerwillbeabletothinklikehumansishardtobelieve.Unit14RootsI.Getthekeysentences1.Bornafreeman,hewasnowinchains.他生来是个自由人如今却戴上了镣铐。2.Heavyironchainsaroundhisfeetandhandswerefixedtometalbarthatranroundthehallabouttencentimetersofftheground.手上脚上沉重的铁链被拴在大堂四周离地面只有10厘米的地方。3.Kuntaknewitwasthemiddleofthenight,forthroughthesmallopeninghighinthewallhecouldseestars.孔塔知道已经是半夜了，因为通过墙的上方开着的小孔，他看见了星星。4.Hereasonedwiththem,andtriedtopersuadethemtosethimfree.他跟这些人讲道理，试图说服他们把他放了。5.Kuntahadbeenseizedintheforestandthenhitontheheadwithahardobject.孔塔在森林里被抓住后，他的头被一个硬东西击了一下。6.Thementookhimintheirboattothecastleonthecoastwherehewasheldprisoner.这些人用船把他送到岸上的城堡里，将他囚禁在那里。7.Whatwastobecomeofthemall,hewondered.他们这些人会怎么样他呢？他感到纳闷。8Worsewastocome.更糟的事就要发生了。9.Onedayabout140blackpeopleweretakenandputonatallsailingshipwaitingoffthecoast.一天，大约140名黑人被带上了一艘停靠在海岸边的帆船上。10.Onceontheboat,theyweretakenbelowandtheirchainswerefixedtotwobarsthatrunthelengthoftheship.他们一上船就被带入底舱，镣铐被拴在两根从船的一头到另一头的铁杆上。11.Theyhadroughweather,andKunta’sbackbledfromrollingoveronthehardwoodenboards.天气恶劣，而且孔塔的背部由于在硬板上滚动而流血了。12.Onceinawhilesailorscamedown,Kuntathought,tocarrysickmenupstairsfortreatment.偶尔水手下来，孔塔猜想是把病人抬到船上去治疗。13.Aboutathirdofthepeoplewhohadbeenchainedupbelowatthebeginningofthejourneyweremissing.旅行开始时拴在下边的人大约有三分之一已经不见了。14.HisnewspaperprovideshimwithsomemoneyinorderthathemighttraveltoGambiaforhisresearch.报社给他提供了一些资金以便他可以去冈比亚搞研究。15.