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ReferenceforTeaching一、异域风情1．CarsandtheUnitedStaresCarsareanimportantpartoflifeintheUnitedStales．Withoutacarmostpeoplefeelthattheyarepoor．Andevenifapersonispoor,hedoesn’tfeelrearllypoorwhenhehasacar．HenryFordwasthemanwhofirststartedmakingcarsinlargenumbers．Heprobablydidn’tknowhowmuchthecarwasgoingtoaffectAmericanlecturethecarmadetheUnitedStaresanationonwheels,AndithelpedmaketheUnitedstateswhatitistoday．TherearethreemainreasonsthecarbecamesopopularintheUnitedStates．FirstofallthecountryisahugeoneandAmericansliketomovearoundinit,Thecarprovidesthemostcomfortableandcheapestformoftransportation．Withacarpeoplecangoanyplacewithoutspendingalotofmoney．ThesecondreasoncarsarepopularisthefactthattheUnitedStatesneverreallydevelopedanefficientandinexpensiveformofpublictransportation,Long-distancetrainshaveneverbeenascommonintheUnitedStakesastheyareinotherpartsoftheworld,Nowadaysthereisagoodsystemofair-serviceprovidedbyplanes．Butitistooexpensivetobeusedfrequently．Thethirdreasonisthemostimportantone,thoughtheAmericanspiritindependenceiswhatreallymadecarspopular．Americansdon’tliketowaitforabusoratrainorevenaplant．Theydon’tliketohavetofollowanexactschedule．Acargivesthemthefreedomtoscheduletheirowntime.AndthisisthefreedomThatAmericansdidn’tusetohave．ThegasshortagehascausedabigproblemforAmericans．Buttheanswerwillnotbeabiggersystemofpublictransportation．TherealsolutionWillhavetobeanewkindofcar,onethatdoesnotusetoomuchgas．2．TheDevelopmentofMobilePhonesTherewere423millionmobilephonessoldworldwidein2002，upsixpercentfrom400millionin2001．Thenumberofmobilephonessoldin2002hasdoubledoverthepastthreeyears．GartnerDataguest，akeytechnologyindustryresearchgroup，reportedMonday．MarketsharesofthefivekeymobilePhonecompanieschangedlittlefromthethirdquarter(季度)，withFinland’sNokiaStillfirmlyinthelead．Itsoldmorethantwicethenumberofmobilephonesthanthesecond．MotorolaoftheUS．Theotherthree,accordingtomarketshare，areSouthKorea'sSamsung．Germany'sSiemensandJapanese-SwedishSonyEricsson．“We’veseenextremelyrapidgrowthincountrieslikeGermanyandtheAsiaPacificregion．”saidGartneranalystBenWood．用心爱心专心Growth，especiallyinnaturemarkets，wasdrivenbyuserswhoreplacedtheiroldmobilephonesWithnewonesearnerthanexpected．Subsidies(补助)bymobileoperatorswereimportanttopushusersintogettinganewPhone．Attractivenessandmarketingofthenewly-designedmobilephonesalsoplayedanimportantroleinincreasingtheyearlysales．Tomaintaingrowth,Phonemakersareplacingmoreimportanceonreplacementsalesbecausemanyusersalreadyhaveaphone—someonebillionpeoplearoundtheworldnowuseamobile．Thismeansphonemeanneedtooffernewfeaturestogiveusersareasontoreplacetheiroldones．Althoughalotofattentionisbeingpaidtonewcolourscreensandcameraphones．mostoftheyearlysalesincreasewasinbasicmobilephoneswhichnowcontainmorefeaturesthanbefore,suchasvoicedailingandmusicalringtones．二、知识归纳(一)表示“建议”常用表达归纳(1)UsefulExpressionsIwonderifyou’veeverthoughtofgoingtothecountrysideforachange.我在想，你是不是曾想过去农村换换环境。Ithinkitmightbeagoodideatotakemoreexercise.我想多做运动也许是个好主意。Haveyoueverthoughtofaskingyourteacherforhelp?你想过找你的老师求助吗？Whydon’tyou/Whynothaveanothertry?为何不再试一次?Whatabout/HowaboutgoingoutforaswimthisSundayafternoon?这个星期天下午出去游泳怎样？Don’tyouthinkyou’dbetterspendmo...