全新版大学英语第二版综合教程4课后答案全

△RiverAvon埃文河Unit1TextOrganizationP11 ":■■■■■■-Parts Paragraphs' 'MainIdeas PartOne Paras1-2 Introduction—BothNapoleon'sandHitler'smilitarycampaignsfailedbecauseoftheseverityoftheRussianwinter. PartTwo Paras3-11 Napoleon'smilitarycampaignagainstRussia PartThree Paras12-20 Hitler'smilitarycampaignagainsttheSovietUnion PartFour Para21 Conclusion—Theelementsofnaturemustbereckonedwithinanymilitarycampaign. 2. Sections Paragraphs MainIdeas SectionOne Paras12-13 Hitler'sblitzkriegagainstRussiaandStalin'sscorchedearthpolicy SectionTwo Paras14-18 thebattlesfoughtatLeningrad,MoscowandStalingrad Section33TTThreeThree Paras19-20 theRussiancounter-offensiveandtheoutcomeofthewarOfthewarP14VocabularyI.1.1)alliance3)stroke5)minus7)declarations2)atthecostof4)limp6)regions8)siege9)raw10)bidehistime11)havetakentheirtoll12)inthecaseofP152.1)isfacedwith2)getboggeddown3)ispressingon/pressedon4)dragon5)getby6)dineout7)havecutback8)getthroughP163.1)Therapidadvanceingenetherapymayleadtotheconquestofcancerinthenearfuture.2)Productioninmanyfactorieshasbeenbroughttoahaltbythedelayedarrivalofrawmaterialsduetothedockworkers’strike.3)Sarahasmadeuphermindthatherleisureinterestswill/shouldnevergetinthewayofhercareer.4)Obviouslythereporter'squestioncaughttheforeignministeroffguard.5)Theintroductionoftheelectroniccalculatorhasrenderedtheslideruleoutofdate/obso​lete.4.1)Beingfacedwithanenemyforcesmuchsuperiortoours,wehadtogiveuptheoccupationofbigcitiesandretreattotheruralandmountainousregionstobuildupourbases.2)Unityiscrucialtotheefficientoperationofanorganization.Failuretoreckonwiththisproblemwillweakenitsstrength.Inmanycases,workmaybebroughttoahaltbycon​stantinternalstruggleinanorganization.3)TheRedArmyfoughtaheroicbattleatStalingradandwonthedecisivevictoryagainsttheGermans.Infact,thisbattleturnedthetideintheSecondWorldWar.Duringthisfamousbattle,theSoviettroopswithstoodtheGermansiegeandweakenedtheGermanarmybylaunchingaseriesofcounterattacks.P17II.MoreSynonymsinContext1)DuringtheFirstWorldWar,battlesoccurredhereandthereovervastareas.SomeofthemostdramaticfightingtookplaceinthegloomytrenchesofFranceandBelgium.2)Elizabethmadecarefulpreparationsfortheinterviewandherefforts/homeworkpaidoff.3)1spenthourstryingtotalkhimintoacceptingthesettlement,butheturnedadeafeartoallmywords.4)Pneumoniahadseverelyweakenedherbody,andIwonderedhowherfragilebodycouldwithstandtheharshweather.P18III.Usage1)Butoftenitisnotuntilwefallillthatwefinallylearntoappreciategoodhealth.2)Aricholdladylaydeadathomefortwoweeks—andnobodyknewanythingaboutit.3)It'ssaidhedroppeddeadfromaheartattackwhenhewasatwork4)Don'tsittooclosetothefiretokeepwarm—youcouldeasilygetburned,especiallyifyoufallasleep.5)Inthosedayspeoplebelievedinmarryingyoungandhavingchildrenearly.6)LittleTomwasunabletositstillforlongerthanafewminutes.■P19ComprehensiveExercisesI.Cloze2.standintheway4.catching...offhisguard6.declaration8.dragon10.bringing...toahalt(A)1.invasion3.Conquest5.launching7.campaign9.reckonwith10.bring…toahaltP19- (B) 1.allow 2. reckoned 3.highly 4. forecasts 5.rapidly 6. instant 7.delivery 8. advantage 9.observing 10. PowerfulP20II.Translation1.Mr.Dohertyandhisfamilyarecurrentlyengagedingettingtheautumnharvestinonthefarm.2.Wemustnotunderestimatetheenemy.Theyareequippedwiththemostsophisticatedweapons.3.Havingbeencutofajob/Nothavinghadajobfor3months,Philisgettingincreasinglydesperate.4.Sam,astheprojectmanager,isdecisive,efficient,andaccurateinhisjudgment.5.Sincethechemicalplantwasidentifiedasthesourceofsolution,thevillageneighborhoodcommitteedecidedtocloseitdownatthecostof100jobs.Theoffensivehadalreadylastedthreedays,butwehadnotgainedmuchground.Thedivi​sioncommanderinstructedourbattaliontogetaroundtotherearoftheenemyandlaunchasurpriseattack.Todoso,however,wehadtocrossamarshlandandmanyofuswereafraidwemightgetboggeddowninthemud.Ourbattalioncommanderdecidedtotakeagamble.Lucklyenough,thankstotheseverecoldweatherwhichmadethemarshfrozeover,wearrivedatourdestinationbeforedawnandbeganattackingtheenemyfromtherear.Thisturnedthetideofthebattle.Theenemy,caughtoffguard,soonsurrendered.PartIIITextB.-2.d4.aComprehensionCheck1.d3.bTranslation(#JEAppendixIII)LanguagePractice 1.boast 2. obstacles 3.wasconcerned 4. call...off 5.paidoff 6. waspinneddown 7.arecontesting 8. priorto 9.holdout 10. objective 11.responsiblefor 12. incase 13.favorable 14. dueto 15.ontheeveof 16. cancel 17.complications 18. stiff 19.withstand 20. absent■PartIVTheme-RelatedLanguageLearningTasksWritingStrategyTickwhichofthefollowingismoreconvincing:ItwasreportedthatGeneralEisenhower,thoughindecisivesometimes,hadnohesitationinorderingtheassaultonNormandy.√Eisenhower'schiefofstaff,BrigadierGeneralWaterBedellSmith,laterwrote:"...Hesatthere...tense,weighingeveryconsideration.Finallyhelookedup,andthetensionwasgonefromhisface.Hesaidbriskly,'well,we'llgo."P28ModelPaperCanManTriumphoverNature?Whenpeopletalkofmantriumphingovernature,manythingscometomind.Onethinksofsuccessesinmedicineinthefightagainstdisease,suchastheinventionofantibioticsandthepromiseheldoutbyadvancesinbiogeneticengineering.Onabroaderscale,onethinksofman'ssuccessinharnessingnewformsofenergyfromsteampowerthroughoiltonuclearpower.Yet,naturehasoftenhitbackinunexpectedwaystotheseattemptstotameit.Newformsof-diseasethatareresistanttoantibioticsareconstantlydeveloping.Burningfossilfuelshasledtofearsofglobalwarming;whilenuclearpowerhasproduceddangerouswastethatwillremainahazardforgenerationstocome.However,perhapstotalkofmantriumphingovernatureisthewrongwaytolookatthematter.Weneedtofindwaystoworkwithnatureratherthanforeverfightingagainstit.(154words)Unit2Textorg.Ex.2OnP381.Smartcarscansee,hear,feel,smell,talk,andact;2.Theycaneliminatemostofcaraccidents3.Theycanalertthepoliceandprovidepreciselocationofyourcarifstolen4.Theycanmonitorone’sdrivingandthedrivingconditionsnearby;5.Theycanalertthedriverwhofeelsdrowsy;6.Theycanlocateyourcarpreciselyandwarnoftrafficjams.LanguageSenseEnhancementonP38-391)cure2)impact3)orbiting4)warnof5)location6)Atanygiventime7)vibrate8)detected9)calculate10)convertedI.Vocabulary:Ex.1onP41-421.expansion2.automated3.vapor4.takecontrolof5.hazards6.satellite7.vibrated8.magnetic9.bunched10.intheair11.got/wasstuckin12.approximatelyVocabulary:Ex.2onP421.sendout2.standupfor3.passfor4.wereclosinginon5.startingup6.wentthrough7.fillout8.fallintoVocabulary:Ex.3onP431)incorporatesallthelatestsafetyfeatures.2)twotreestenfeetapart.3)awardinglucrativecontractstohisconstructionfirm.4)theprototypeofanewmodelbeforetheysetupafactorytomakethecars.5)arecorrelatedinallracialgroups.Vocabulary:Ex.4onP431)theapplication,remote,hasturnedintoareality,arepoisedto2)thatvibrate,candetect,frequency3)lanes,aremountedin,alerta,hazardII.WordFormationonP45KilogramMedicalcareMemorandumElectronicmailGymnasiumCommunicationssatelliteLiberationNewsbroadcastDoctorSkyhijackVeterinarianEuropeandollarPreparatoryBreakfastandlunchAutomobileTelevisionbroadcastinfluenzaOxfordandCambridge---------------------------------------III.UsageonP45-461)swimmingpool2)drawingboard3)enrichedMiddleEnglish4)disturbingchange5)fullydevelopedprototype6)Cannedfoods7)workingpopulation8)puzzlingdifferencesComprehensiveExs.:I.cloze1.Text-relatedonP461)computerized2)startup3)bepoisedto4)alert5)hazards6)monotonous7)takecontrolof8)steer9)lane10)decrease11)calculate12)eliminate13)gettingstuckin14)mounted15)detect16)vapor2.Theme-relatedonP471)generates2)related3)revolutionized4)enabled5)opportunities6)overall7)manufacturing8)dependent9)interact10)fatalitiesII.TranslationEx.1onP47-481)Therewasanunusualquietnessintheair,exceptforthesoundofartilleryinthedistance.2)TheexpansionofurbanareasinsomeAfricancountrieshasbeencausingasignificantfallinlivingstandardsandanincreaseinsocialproblems.3)Theresearchshowsthatatmosphericcarbondioxidelevelsarecloselycorrelatedwithglobaltemperatures.4)Thefrequencyofthebusservicehasbeenimprovedfrom15to12minuterecently.5)Thediverstoodontheedgeofthedivingboard,poisedtojumpatthesignalfromthecoach.Translation:Ex.2onP48Automobileshave,sincetheirinvention,revolutionizedtransportation,changingforeverthewaypeoplelive,travel,anddobusiness.Ontheotherhand,theyhavebroughthazards,especiallyhighwayfatalities.However,todaytheapplicationofcomputertechnologyandelectronicsensorsindesigningandmanufacturingcarsmakesitpossibletoeliminatemostoftrafficaccidents.Forexample,electronicsensorsmountedinyourcarcandetectalcoholvaporintheairandrefusetostartuptheengine.Theycanalsomonitorroadconditionsbyreceivingradiosignalssentoutfromorbitingsatellitesandgreatlyreduceyourchancesofgettingstuckintrafficjams.UNIT3LanguageSenseEnhancementonP721)checkedwith2)interview3)grill4)clippings5)berightfor6)followup7)indicating8）hand-delivered9)prepared10)prospectiveLanguagefocusVoc.Ex.1onP751)rude2)physically3)structure4)madeadifference5)blurted(out)6)chuckling7)Measurable8)prospective9)preparations10)Sparkled11)tookacrackat12)partnerVoc.Ex.2&3onP76§Ex.2.1)goafter2)lookbackat/on3)beputup4)stoodfor5)buildin6)followup7)behookedupto8)closedup§Ex.3.1)grilledheraboutwhereshehadbeenallnight2)beyondCinderella’swildestdreamsthatshecouldonedaydanceintheKing’spalace3)willbeinreaders'handssoon4)doyourhomeworkbeforegoingonaninterview.5)wasintheneighborhoodof150dollars.§Voc.Ex.4onP771）applicants,veteran,theprospective2）Fromhisstandpoint,hasmadeeveryendeavortogoafter3)asthesayinggoes,tohaveacrackat,barelyII.WordswithMultipleMeaningsonP781.Behave2.usedtoavoidrepetition3.clean4.getalong5.perform/complete6.perform/complete7.Study8.beenough9.beacceptableiii.UsageonP79-801.Thereissomuchtosayanditishardtoknowwheretobegin.OK,I’lltalkaboutmyselffirst.2.Thankyouverymuch,John,foryourbeautifulChristmascard.Bytheway,Ihavesomethinghereforyou.3.Thenewcomputerlanguagecanbequiteeasilyunderstoodbyanyonewhocanreadthedailynewspaper.Now,whyisthisanadvantage?4.I’mgoingtoworkouttheoutlineandwillletyouknowhowitgoes.Bytheway,IwillseeyouinFebruary,asIplantoattendyourseminarinShanghai.5.OK,yougotthejob.Now,howtomaximizeyourprofitswithaslittleeffortaspossible?6.ChrisisbackfromAustralia.Incidentally,thosepicturesyousentmearewonderful.ComprehensiveExercisesCloze§1.Text-relatedonP80(1)Prospective(2)AsIseeit(3)doneyourhomework(4)beforehand(5)Endeavor(6)structure(7)Partners(8)Respond(9)takeacrack(10)fromthestandpoint(11)makeadifference(12)followup§2.Theme-relatedonP81(1)encouraging(2)inquiry(3)relevant(4)samples(5)references(6)advice(7)preparing(8)seriously(9)probably(10)exhibitTranslationonP81-821)Despitetheinadequatelengthoftheairstripinthisemergencylanding,theveteranpilotmanagedtostoptheplaneaftertaxiingforonlyashortwhile.2)Grilledbythereporters,themoviestareventuallyblurted(out)thatshehadundergonetwoplasticsurgeries.3)Wehavethetechnologyandourpartnerhasthecapital.Workingtogether,we’llhavethefutureinourhands.4)IfIhadknownbeforehandthatyouwouldbringsomanyfriendshome,Iwouldhavemadebetterpreparations.Yousee,Ihavebarelyenoughfoodanddrinksforasnack.5)Peoplegavegenerouslyuponlearningthatnewschoolroomswithstrongerstructuresweretobebuiltintheearthquake-strickenarea.Translation2.onP82Wellbegun,halfdone,asthesayinggoes.Itisextremelyimportantforajobapplicanttodohishomeworkwhileseekingemployment.Frommystandpoint,whetherornotonehasdonehishomeworkclearlymakesadifferenceinhischanceofsuccess.Ihaveafriendwhoisearningsomewhereintheneighborhoodof100,000dollarsayearsinalargecomputersoftwarecompany.Hetoldmethatfromhisownexperiencethedecisionmakerswhointerviewprospectiveemployeeslikepeoplewhoarewellprepared.Thosewhomakenoendeavortolearnasmuchabouthisprospectiveemployeraspossibledon’thavemuchofachanceofsuccess.PartIIIHomeReadingTask§ComprehensionCheckonP871.b2.c3.a4.a5.a6.b§TranslationonP871.父母亲都觉得我不会被录用。“你要有后台才行。那可是一家美国机构，洛克菲勒基金会。你一定要有后台。”2.当然，不工作就没饭吃，除非嫁人，那叫做“终于有了归宿。”3.她留着新式的发型，是我所喜欢的那种满头卷发竖立着的式样，穿着下摆印有花纹的裙子。由于她怀孕已快足月，所以她向我走过来时似乎是她的肚子最先到达我的面前。4.我跟哈内德先生说了，你刚才是因害羞不安而没法做 记录 混凝土 养护记录下载土方回填监理旁站记录免费下载集备记录下载集备记录下载集备记录下载 的。他挺不错的，只要慢慢习惯起来就行了LanguagePractice§Ex.1.onP881)g2)f3)a4)e5)h6)b7)c8)d§Ex.2.onP88-891)intricate2)cameat3)administration4)benign5)getin6)scraps7)brand8)carved9)coiled10)quivered11)takeon12)putina(good)wordP90ModelApplicationLetterRm.316,NewCollegeDormitoryXuanwuUniversity,2270ZhongshanRoadNanjing,Jiangsu,210008Tel025)9709399Email:hqin@yahoo.com.cnAugust25,2010Dr.GuoliangLiDirctoroftheHumanResourcesOfficeShanghaiStar20F,HuaihaiBuilding200HuaihaiRoad(Middle)Shanghai200021DearDr.Li,InsearchingforemploymentopportunitiesontheInternet,IlearnedofajobvacancyinthePublicAffairsReportingSectionofyournewspaper.Ibelievethatmyqualificationsmatchtherequirementsyouhavelistedfortheposition.AsajournalismmajoratXuanwuUniversityinNanjing,myacademictraininghasenabledmetodevelopmywritingandeditingskills,particularlyinthereportingofpublicaffairs.Atcollege,English,ReportingPublicAffairs,AdvertisingandPublicRelationshavebeenmyfavoritesubjects.Iwouldliketoutilizemyinterestsandtrainingtothefullestthroughworkingonanewspaperaswell-knownasyourown.MyresumereflectsmyexperienceasajournalisticinternwithtwonewspapersinNanjing.WhileworkingthereIdidbothresearchworkandreporting.Igreatlyenjoyedworkasaprofessionalreporterandthechallengeofwritingtodeadlines,allofwhichIsuccessfullymet.IhavewonseveralawardsformyjournalisticworkandwasadmittedtotheJournalists’AssociationofJiangsuProvincelastyear.IwasthevicechairmanoftheStudents’Unioninmyuniversityfortwoyears.Theenclosedresumeprovidesfurtherinformationaboutmyexperienceandbackground.IwonderifitwouldbepossibleforustomeetoneofthesedayssothatyoucouldlearnmoreaboutmeandIcouldfindoutmoreaboutthespecificsofthejob.Pleasecallmeanytimeon(025)9709399MondaythroughFriday.Thankyouforyourtimeandconsideration.Sincerely,HongQinUnit4TextATextrganization1.P103 Parts Paragraphs MainIdeas PartOne Paras1-3 IntroductiontoDavosManandtheWorldEconomicForum PartTwo Paras4-5 Debateovertheimpactofglobalizationoncurrentsocietyandculture PartThreeppppPTThreeThree Paras6-8 Historyofglobalizationanditsrecenttrendsandfutureprospects PartFour Paras.9-11 Globalizationversusnationalismandthechallengesitfaces2. MainEvents1.Davosmanspendsalotoftimeinplacesotherthanhisnativecountry.2.DavosManseestheiridentityasamaterofpersonalchoice,notanaccidentofbirth.3.DavosManbelievesthatglobalization,theunimpededflowsofcapital,laborandtechnologyacrossnationalborders,isbothwelcomeandunstoppable.4.DavosManseestheworldincreasinglyasonevast,interconnectedmarket-placeinwhichcorporationssearchforthemostadvantageouslocationstobuy,produceandselltheirgoodsandservices.VocabularyI.P1061)advantageous2)letalone3)witnessing/vanishing4)landmark5)entitled6)displace7)Establishment8)patriotic/strengthen9)contradictions10)aspires11)divorced12)pendulums2.1)cometo2)dozedoff3)believedin4)wassetapart5)takein6)sucksin7)cleanup8)turnaway3.1)Forme,itmakesno/littledifferencewhetherwegotherebytrainorbybus.2)ToyatahasovertakenGeneralMotorsastheworld’sbiggestcarmaker.3)Shortlyaftertheirmarriage,Mr.Chamberswasatoddswithhiswifeovermoneymatters.4)Henryhasbeenattheforefrontofnanotechnologyresearch.5)Shedoesn’tevenknowhowtoboilpotatoes,letalonecookameal.5.a)isincreasingly/toaccelerate/theirinvestmentb)economy/makeanearnest/domestic/strikeabalancebetweenc)ahandfulof/beendorsedby/onalargescaleII.WordFormationP110 WTO WorldTradeOrganization 世界贸易组织 GDP Grossdomesticproduct 国内生产总值 ATM Automatedtellermachine 自动出纳机 VAT Value-addedtax 增值税 CAD Computer-aideddesign 计算机辅助设计 IT Informationtechnology 信息技术 IDD Internationaldirectdialing 国际直拨电话 MTV Musictelevision 音乐电视 Radar Radiodetectingandranging 雷达 IOC InternationalOlympicCommittee 国际奥委会 VIP Veryimportantperson 贵宾，大人物 Laser Lightamplificationbystimulatedemissionofradiation 激光 CPU Centralprocessingunit 中央处理器 III.UsageP1111.Anunusualpresent,abookonethics,wasgiventoHenryforhisbirthday.2.Thereason(hegave)thathedidn’tnoticethecartilltoolatewasunsatisfactory.3.Football,hisonlyinterestinlife,hasbroughthimmanyfriends.4.Cloninghadbeenraisedasapossibilitydecadesago,thendismissed,somethingthatseriousscientiststhoughtwassimplynotgoingtohappenanytimesoon.ComprehensiveExercisesI.ClozeP1112.networking4.growth6.facilitate8.outlook10.patriotic12.strikeabalancebalancebalance(A)1.academics3.avarietyof5.vanish7.endorsing9.sweepingaside11.erasing(B) 1.aided 2.effects 3.distances 4.connected 5.invested 6.features 7.prevailing 8.qualitatively 9.volume 10.DistinguishingII.TranslationP1121.)DuetohispessimisticoutlookontheEuropeaneconomy,JohnhasmovedhisassetsfromEuropetoelsewhere.2)Ilikehiringyoungpeople.Theyareearnestlearnersandcommittedtowork.3)Unlikehergirlfriendswhocentertheirlivesontheirchildren,Marycaresmoreaboutherpersonalgrowth.4)Whyisitthataconsiderablenumberofcolleaguesareatoddswithyou?5)TheChinesegovernmenthasintroducedavarietyofpoliciestostrengthencooperationwithdevelopingcountries.2．GlobalizationhasgreatimplicationsforyoungChinese.Forexample,youngfarmersaremovingonalargescaletourbanareastolookforjobs.Andforthoseyoungpeoplewhoaspiretostudyabroadorworkinforeign-investedenterprises,Englishhasbecomeincreasinglyimportant.Atthesametime,aconsiderablenumberofoverseasChinesestudentshavereturnedhomeinrecentyears,fortheyholdanoptimisticoutlookforthelong-termgrowthoftheChineseeconomy.TheinternethasstrengthenedthelinksbetweenChineseyoungpeopleandthoseelsewhere.Theyfollowthelatesttrendandcopyforeignfashions.Someofthemdon’tseemtocarefortraditionalChinesevirtues,letalonecarrythemforward,whichhasgivenrisetoworriesthatthetraditionalChineseculturemightonedayvanish.P120ModelPaperIsGlobalizationWelcome?Isglobalizationwelcome?Yes,itis.Indeed,thereismuchtobesaidforit.Tobeginwith,globalizationenablescorporationstosearchforthemostadvantageouslocationstobuy,produceandsellgoodsandservices.Takethecarforexample.AcertainbrandofcarmaybedesignedinGermany,acountryknownforitsautomobileindustry.ThecarsarethenmanufacturedinChinawhererelevantrawmaterialsandlaborarecomparativelyinexpensive.FinallytheyaresoldinsomeAsianandLatinAmericancountrieswheretheyareingreatdemand.Evidentlythewaythingsaredonecanbenefitgreatlycompaniesandcountriesconcerned.Lastly,globalizationhelpsbuildamoreharmoniousworld.Withtheworldbecomingmuchsmallerandpeoplemuchcloser,theremustbemoreandmoresocialandculturalexchanges.Asaresult,deeperunderstandingbetweennationsispromotedandconsultationprevailsoverconfrontation.Doesglobalizationcauseproblems,then?Yes,itdoes.However,solongascountriestrytoglobalizeinacautiousandjudiciousmanner,manyofthemcanbesolved.lPartIIITextBComprehensionCheck1.c2.a3.b4.b5.c6.dTranslation1.如果9/11有什么引人注目的地方，那就是恐怖主义者们来自世界上全球化程度最低、最不开放、融合程度最低的地方：沙特阿拉伯、也门、阿富汗和巴基斯坦西北部。2.“全球化疲劳在欧美仍很显著，而在中国和印度这样的地方，你会发现人们急切地想参与到经济扩张进程中来，”印度国大党的首席经济顾问杰伦兰密施说。3.印度大多数人是不是还生活在贫穷的乡村？确实如此。我们是不是需要强迫富裕的西方国家进一步开发市场，好让贫穷国家销售它们最擅长的东西；食品和纺织品，以使全球化更公平呢？当然需要。4.一，全球化有优点也有缺点，但如果参与全球化的国家有恰当的制度和管理，它们就能从中获得最大的好处，并且能缓和最不利的方面造成的影响，Languagepractice1.1)d2)f3)e4)a5)b6)g7)h8)c2.1)globalizing2)software3)stable4)subsidies5)Amajorityof6)inevidence7)addto8)sobeit9)blewup10)takeadvantageof11)phaseout12)YoubetP135Part1WritingTheMobilePhoneAdecadeago,themobilephonewasaluxuryforonlyafew.Nowitisfoundeverywhere.Therapidspreadofthemobilephoneisperhapsoneofthemiraclesofmoderncommunicationshistory.Theadvantagesofthemobilephoneareobvious.First,youcancarryitaroundwhereveryougo.Youdon’thavetolookforapayphonetomakeacallwhenyouareawayfromhomeoroffice.Besides,youdon’thavetohaveanotebookforphonenumbersastheycanbestoredinitsmemory.Withamobilephone,youcanevenlogyourcomputerontotheInternetandsende-mails.What’smore,inremoteareas,whereitcostsalotofmoneytolaytelephonelines,themobilephoneisaconvenientsubstitute.Finally,inanemergencythemobilephonecansavelives.Totakeonerecentincident,anAmericanwomanwhosecargotboggeddownandburiedinheavysnowwasrescuedthankstoamobilephoneshekeptinhercar.However,themobilephonestillhasroomforimprovement.Onethingisthebattery.Youhavetorechargeitalmosteveryday.Ifyouneglecttodoso,you’llfindthesignalweakorrece