懂你英语L5 Unit 3

实用文档L5Unit3-1ListeningSamalonehasbeenworkingattheAceExpressforthepast6years.AceisshippingcompanybasedinHongKong.Itshipsthedangerouschemicaltoallpartsoftheworld.Lastyear,SamwaspromotedtoVicepresident.Alongwiththepromotion,hewasgivenabeautifuloffice.Hewasalsogivena20%raiseinsalary.Samiswell-respectedwithinthecompanyandhelikestheco-workers.However,hewantstotakeonanewchallengeandislookingforachange.IfhestaysatAce,hedoesn'tseeanychangeofanotherpromotion.Heisalsobeginningtoworryaboutthecompany'sfuture.Hethinksthatthereishighprobabilitythatthecompanywillbeacquired.Ifthathappens,hemaylosehisjob.Lastmonth,hestartedlookingforanewjob.Accordingtohisresearch,about40%ofjobwerefoundthroughacquaintances.Sothefirstthinghedidwastocontacthisclosestfriends.Heletthemknowthathewaslookingforsomethingnew.Manyofhisfriendacquaintancesinashippingbusinesses,manyofotherareinotherindustries.Healsocheckedoutseveralcompaniesontheinternetandupdatedhisresume.Thismorning,SamgotamessagefromacompanybasedinJapan.It'samedicalsupplycompanythatwantstoexpanditsbusinesstoChina.TheyhaveasmallofficeinHongKongandwillbeconductinginterviewnextweek.Samisinterestedinlearningmoreaboutthecompany,soherepliedtotheirmessageandsetupaninterview.Evenifitdoesn'tworkout,itwouldbealearningexperienceforhim.文案大全．实用文档Inplanningfortheinterview,Samhasmadesomenotesaboutwhattodoataninterview.First,heneedstobewell-prepared.Heneedstoknowasmuchaswecanaboutthecompany,includingitshistory.Healsoneedstoknowhowtopresenthimself,includinghisappearanceandbodylanguage.Ithasbeenyearssincehiswaslastinterviewed,soheneedstopreparetoanswersomequestionsabouthimself.Forexample,heneedstobeabletoexplainwhat'sonhisresume,includinghisstrengthandskills.Inanyinterviewsituation,it'simportanttolookrightandbehaveappropriately.Hedoesn'twanttogiveabadfirstimpression.Forexample,heshouldbecarefulnottotalktoomuch.Thatmeansheshouldstayfocusandkeepshiscommentshort.Throughouttheinterview,heshouldobservethefacialexpressionandmakeeyecontact.It'sgoingtobeimportanttolistencarefullytowhattheysayandkeepthingsasrelaxedaspossible.Heneedstoremindhimselfthatheisalsointerviewingthem.Hemayfindthattheircompanyisn'trightforhim.Therefore,heshouldbereadytoaskthemquestions,especiallyabouttheirexpectations.Inaninterviewlikethis,bothsideshavethesameconcern.Theydon'twanttomakethewrongchoice.Eveniftheywanttohirehim,thejobmaynotbewhatheislookingfor.文案大全．实用文档L5Unit3-1vocabularyRelaxed,tobecalmandatpeace,notanxiousortense.Shewastryingtorelaxbutthenshegotacallfromherboss.Hehasn'trelaxedforalongtimesohewasexhaustedanddifficulttobearound.Arrogant,tohaveexaggeratedthesenseofone'simportanceorabilities,theoppositeofmodest.Iwasn'timpressedbyherarrogantattitude.Sometimetherichandpowerfulcanbeveryarrogantandgreedy.Prejudiced,tohavenegativefeelingtowardssomethingwithoutgoodreasonorexperience.Shehasaprejudiceagainstpeoplewhocomefromthecountryside.Asacompany,wedon'tallowprejudiceofanykind,includingraceorreligiondifferences.Neutral,tobewithoutprejudiceandnottakesides.Weexpectthejudgeofthetrialtobeneutral,andallowbothsidestorepresenttheirevidencetothejury.Therefugeesinamatchneedtobeneutral,sothatthegameisfair.Properorappropriate,thewaywearesupposedtobe.Thatkindoflanguageisn'tappropriateinthesituationbecauseitdoesn'tshowrespect.Whenhecametotheinterview,hewasdressproperly,sohemadeabadimpression.Acquaintance,somebodyknowormetbefore.I'mcontactingseveralofmyacquaintances,toseeiftheyknowanyofthejobopportunities.Idon'tknowhimwell,butheisacquaintanceofmineforalongtimeago.Appearance,howsomethinglooks,whatsomethinglookslike.Hecouldimprove文案大全．实用文档hisappearancebybuyingsomenewclothes.Hedoesn'tcareabouthisappearance,sohedoesn'tmakeagoodimpression.Consequence,anoutcomeorresults.Manyformsofliveswillbecomeextinctasaconsequenceofglobalwarming.Oneconsequenceofhisdrinkinghasbeenthepoorqualityofhiswork.Factor,somethingthataffectsorinfluencestheendresults.Onefactorthatheneedsbeconsideredishisarrogantpersonality.Herhealthisonefactorwecan'taffordtoignore.Exception,tobeuniqueortreateddifferently.Everyonehastobeintheofficebefore9o'clock,withtheexceptionofthesalesdepartment.I'msorrybutIcan'tmakeanexceptionandallowyoubringyourdogtotheoffice.PeopleareworriedbecauseherarroganceisleadinghertotakemanyrisksThetalksbetweenthe2countriesarebeingheldinaneutrallocation.Ifshedoesn'tfindtimetorelax,she'sgoingtodamageherhealth.文案大全．实用文档L5Unit3-1dialogueGuesswhat,I'vegotsomenews.Oh,youmeanaboutJack?Yes,haveyouheard?Yes,Elisamessagedmeafewminutesago.Isn'titwonderful?He'sbeenacceptedtoStanford.Really?That'snotwhatIheard.Oh,whathaveyouheard?Iheardhedidn'tgetin.Soitwasjustarumor.Ifthatiswhatyouheard,itisn'ttrue.HereallywantedtogetinbutfromwhatIheard,he'sjustonthewaitinglist.Oh,thenthereisstillachancethathewillgetin.Iguessso.Butevenifhegetsit,howishegoingtopayforit.it'sveryexpensiveandhisfamilyisn'twealthy.Well,hecanalwaysgetastudentloanormaybehe'llcangetascholarship.Ifhegetsaloan,itwillbeforalotofmoney.Hewillbetakingonalotofdebt.Still,adegreefromStanfordisworthalotandI'veheardthattheyhadalotofmoneyforscholarships.Iwonderwhathe'lldo.Ifhegetsin,Ihopehegetsascholarship.Whatreallydoifhedoesn'tgetintoStanford.Whatarehisotherchoices?TheonlyotherschoolI'veheardhimmentionisCambridgeinEngland.文案大全．实用文档Oh,well,that'snotachoice.Whataboutyou?Haveyouheardaboutanything?Me,I'lltellyouifyoupromisenottotellanyone,OK?Sure,ifit'sasecret,youcantrustme.IhavebeenacceptedinMITonafullscholarship.MIT?!You'rejoking,right?No,I'mserious.Whyhaven'tyoutoldanyone?Idon'tknow.IthinkIwillwaituntileveryoneelsehasheardfromtheirchoices.Ireallydidn'texpectIwillgetin.Yeah,especiallywithafullscholarship.Somepeoplewillbejealouswhentheyhearaboutit.butweallknowthatyouaresmartsoaresomethingyoushouldbeproudof.Thanks,Ireallyexciting.I'mafraidthisterriblenewsmayaffectinfluencetheirdecisiontosupportus.文案大全．实用文档L5Unit3-2ListeningAflowchartlikethisoneshowshowaprocessbeginsandendsandthestepsinbetween.Theprocesscanbeofalmostanykind,frommanufacturingatyretocreatinganadvertisement.Therefore,learninghowtodescribeandexplainaprocessinEnglishisimportant.It'simportantforteachers,engineersandpeoplewhoprovidecustomer'ssupport.oneprocessthatweareallfamiliarwithisourbody'scirculatorysystem.Thissystemprovidesoxygenatedbloodthroughoutthebodyandeliminatescarbondioxidewhichisawasteproduct.Ifsomethinggoeswrongwiththissystem,weneedtorepairitquickly,orwedie.Soit'simportanttounderstanditandkeepitfunctioningproperly.First,themostimportantrequirementforthesystemtoworkisasupplyofair.Withoutfreshairwithsufficientoxygen,theprocesswon'tkeepourhealthyandalive.Sotheprocessbeginsbybreathinginairwhichhappenswithlongexpandanddrowninair.Onceinsidethelungs,oxygenintheairisexchangedforcarbondioxideintheblood.Thisexchangehappenswhenbloodcellsreleasecarbondioxideandabsorboxygen.Thisbloodisnowoxygenatedbloodwhichmeansitcarriesoxygen.Tosummarize,theprocessbeginsbyinhalingairandoxygenatingtheblood.Theoxygenatedbloodinlungsthenflowbacktotheheart.TheCO2whichcamefromthebloodisexhaledandthenextcirclebegins.Oxygenatedbloodinthelungflowintheheart.Thebloodwhichentersinaloopfromtheheart,carriedcarbondioxide.Oncethedioxideexchangedfortheoxygen,thebloodcontinuesthroughtheloopandexistintotheheart.Theoxygenated文案大全．实用文档bloodisthenpumpedtotherestofthebody.Asyoucansee,everythingdependsontheflowofbloodtoandfromtheheart.Sohowthattheheartdoesthis.First,theheart,whichisamusclehas4chambers.Fromonechamber,bloodispumpedtothelung.Thisisthebloodthatcarrycarbondioxide.Whenoxygenatedbloodfromthelungscomesbacktotheheart,itenterstoanotherchamber.ThischamberiscalledtheleftAtrium(左心房).FromtheleftAtrium,theoxygenatedbloodispumpedtoanotherchamber,theleftVentricle(左心室).Theleftventriclethenpumpsthebloodintotheaorta(主动脉)whichisthelargestarteryinthebody.Fromtheaorta,theoxygenatedbloodpassesthroughanetworkofsmallerarteriesthroughouttheentirebody,includingthebrain.Bloodreturnstotheheartthroughasystemofveinsandenterstheupperrightchamber,therightatrium.Nowthatweunderstandalittleaboutthecirculatorysystem,wecanaddwhatweneedtooperate.Ofcourse,itcan'toperatewithoutenergy.Thisenergyissuppliedbyanothersystem,digestivesystem,whichgetsenergyfromfood.Andofcourse,thissystemneedtobesupportedandcontrolled.Ourskeletalsystemprovidesupportandourmuscularsystemprovidecontrolandmovement.Withoutsupportandmovement,wecouldn'tgetthefoodforenergy.Onlyplantscandothis,becausetheyhadacompletelydifferentsystem,whichgetsenergydirectlyfromthesun.Tosummarize,human'sbodyislikeahuge,complexfactory.Thelanguageweusetodescribehowitfunctions,isthesamelanguageweusetodescribealmostany文案大全．实用文档industrialprocess.Thevocabularyisdifferent,buttheprocesses,flowsandlogicallyrelationshipsarealmostidentical.Thinkofsomefamiliarprocessinyourlifeforjob,andseeifyoucandescribeandexplainitinEnglishTheprocessbeginsbyinhalingairandoxygenatingtheblood.文案大全．实用文档L5Unit3-2vocabularyMaintain,topreserveorkeepthingsastheyare.Ourqualityisexcellent,soyourjobistomainourhighstandardsandimproveitasyoucan.Thishistoricbuildisveryoldandneedtomaintain.Disrupt,tocausedisorderedorconfusion.Smartphoneshavedisruptedthewayweliveourlives.Investorswanttoinventincompanythatdisruptthewaythingsweredone.Settle,tocalmthingsdownorendtheconflictdisagreement.Heistooupsettothinkclearly,soheneedstosettledown.Ifwedon'tagree,wehavetogotocourttosettleourdifferences.Solve,tofigureoutorfindtheanswerorsolutiontoaproblem.Theproblemisdifficultsoweneedtofindawaytosolveit.wecan'tsolvethatproblemwithoutusingacomputer.Prove,touseanevidenceorlogictosupportanidea.Thepolicehadtoreleasehimbecausetheycouldn'tprovethathecommittedacrime.Thebestwaytoprovesomethingcanbedoneistodoit.Exchange,toswaporchangeonethingforanother.Whenwebuysomething,weexchangemoneyfortheproduct.Inhumanbody,oxygenisexchangedforCO2inthelungs.Cooperate,toworktogetherorcollaborate.Insteadofcompetingwitheachother,weshouldcooperate.Agoodmanagercangetpeoplecooperate,eveniftheyareondifferentteams.文案大全．实用文档Capture,tocatchorholdsomething,theoppositeofrelease.Theprisonersescaped,buttheywerecapturedwithinafewdays.Inwar,armiestrytocaptureterritoryanddefeattheirenemiesonthebattlefield.Todistributeorshare,topassaroundorgivetootherunselfishly.Onereasonthatacompanyissuccessfulisthatithasperfectsharingplans.Aftertheearthquake,thearmycameanddistributedthefoodandwatertothesurvivors.Eliminate,togetridofordisposeof.Wasteproductsmustbeeliminatedfromourbodies,orwewilldie.Teamswereeliminatedfromthecompetitionwhentheylosttoomanygames.文案大全．实用文档L5Unit3-2dialogueHowwasthejobinterview?Shedidwell,butshewassounattractive.Idon'tthinkweshouldhireher,certainlynotforasalesposition.Doyoureallythinkso?Thatseemssounfair.Whyshouldlookshaveanythingtodowithit?It'sjustabasicfactoflife.Tall,beautifulpeoplehaveanadvantage.Mayso,butwedon'thavetosupportthatwayofthinking.Look,wehaveabusinesstorun.Youwantmetoincreasesale,right?HaveyoueverheardofJackMa?Sure,heisthefounderofahugecompanyinChina.Ibelieveheisoneoftherichestpeopleintheworld.Heisnotgoodlookingatnot,butlookhowsuccessfulheis.Yes,butheisanexception.Hefacedallkindsofprejudice,butheovercameit.Ireallyadmiredhim.Perhaps,havingtoovercomeobstacleslikethatmadehimstronger.Maybehewouldn'thavebeensosuccessfulifheweregoodlooking.Haveyouthoughtofthat?Thatmayhavebeenafactor,sure.Butwhataboutadvertising?Lookatallthemoneycompaniespayformodelsinadvertising.Youmeantheuseofbeautifulorstrangelookingpeople.Exactly,it'sallaroundusbecauseitworks.Peoplenoticeit.文案大全．实用文档AsfarasI'mconcern,it'sjustawayoffoolingpeopleintobuyingthingsthattheymaynotneed.It'sallbasedontheappearanceandIdon'tlikeit.Idon'tdisagreewithyou.Butpeopledon'tbuysomethingbecauseit'sgoodorbad.Theybuysomethingbecauseitmakesthemfeelgood.Theirdecisionsarebasedontheiremotionnotreason.Isthatwhyyoubuythings?Well,itdependsontheproduct,but,yes,IguessIdo.Whataboutyou?ItrytofindoutaboutaproductbeforeIbuyit.butinsomecases,I'mnodifferentfromotherpeople.I'mattractedtoadvertisementsthatgetmyattention.That'smypoint.Wewantoursalespeopletoattractattentionandmakepeoplefeelgood.Ok,butI'dlikeourcompanytodobetter.Let'sbecreativeanddosomethingbetter.IhearyoubutIthinkyou'rebeingna?ve.Ifyouthinkthatwomanwasgood,thenlet'sgiveherachance.Ok,I'llgiveherachance.AndIrespect.ButIcompletelydisagreewithyourdecision.IknowandIthankyouforyourhonestopinion.Thefactthathewasn'tgoodlookingmighthavemadehimstronger.Shethinkshisdecisiontohirethewomanisn'trealisticandgoesagainst文案大全．实用文档experience.I'mattractedtotheadvertisementthatgetmyattention文案大全．实用文档L5Unit3-3ListeningLivingconditionsaroundtheworld,varyfromcountrytocountry.othercountrieshaveverylargeeconomies,butthemajorityoftheircitizensarepoor.Somecountrieshavesmallereconomies,butthemajorityoftheircitizensarenotpoor.Sothesizeofacountryeconomyisn'ttheonlyfactorthatdetermineshowwealthythecitizensare.Thesidesofitspopulationisalsoanimportantfactor.Anotherfactorhowacountry'swealthisdistributedbetweentherichandthepoor.Let'slookatsomeexamples.Thischartshowstheworld5largesteconomiesin2015.Itranksthecountriesbythegrossdomesticproduct,orGDP.TheGDPisonewayofmeasuringthesizeofaneconomy.It'sthetotalvalueofgoodsandservicesproducedinacountrythinayear.Asyoucansee,accordingtothischart,theUSandChinahadthelargesteconomies.Accordingthechart,Indiahadthethirdlargesteconomyintheworld.ItseconomywasbiggerthanJapan's.theaveragelivingconditionsinJapanismuchhigherthaninIndia.Onereasonforthisisthedifferenceinpopulation.Indiahasamuchlargerpopulation,soitswealthisdistributedamongalargernumberofpeople.Youcanfindthisinformationbycheckingacountrypercapita.Percapitameansperperson.IftwocountrieshavethesameGDPbutonecountryhashalfthenumberofpeople,itsGDPpercapitaistwicelarge.Anotherimportantfactorishowthewealthofacountryisshared.Insomecountries,muchofthewealthisconcentratedinjustafewpeople.Forexample,intheUS,just5%ofthepopulationhadmorethan70%ofthewealth.Thisshowsthat文案大全．实用文档manyUScitizensarenotwealthydespitethesizeoftheireconomy.Infact,thewealthshareheldbythewealthyof10%wasmorethan10timesbiggerthantherestofpopulation.Aswehaveseen,muchofthewealthoftheUSisconcentratedinjustafewpeople.10%ofitspopulationhadanestimate75%ofthewealthin2015.Inthischart,weseesomecomparisonwithothercountries.IncontrasttotheUS,10%ofthetotalJapanpopulationhaslessthanhalfofthetotalwealth.Inchina,in2014,theestimatedshareoftop10%is64%,butthisnumberisrising.Russiahadthehighestconcentrationofwealthatover80%.India,whichhasoneoflargesteconomies,hasthelargestshareoftheworld'spoorestpeople.Itsrichest10%have370timestheshareofwealththanitspoorest10%.Amajorchallengeforagovernmentistoimprovethelivingconditionsofitscitizens.Aswehaveseen,growintheeconomyisn'tenough.Populationgrowthanddistributionofwealtharealsoimportantfactors.Improvingeducationanddevelopingjobskillscanhelppeoplemoveupinaneconomy.Withbettereducationandtraining,thepoorcanincreasetheirabilitytogetbetterjobandrisetheirincome.However,taxesareneededtopaysocialservices,includinghealthandeducation.Somecountriestaxtherichathighratethanpoor.However,iftaxesaretoohigh,itcandiscourageinvestmentandrisktaking.Thisisbecauseinvestorswon'ttakerisksunlesstherewardsarehigh.Soasyousee,thesearecomplexissues.文案大全．实用文档文案大全．实用文档L5Unit3-3vocabularySilly,foolishorstupidorridiculous,theoppositeofserious.Heisbeingsilly,soweshouldjustignorehim.That'sasillyideasoIdon'tthinkshemeanswhatshesays.Amazing,tobeincredible,orsogoodastobehardtobelieve,theoppositeofordinary.Thatcompany'snewproductsaretrulyamazing.Shegivesanamazingperformance,especiallyafterallthedifficultiesshehadtoovercome.Crucial,tobeextremeimportanceoressentialpart,theoppositeofoptional.It'scrucialthatwegetthemsignthecontractbytheendoftheweek.Gettingdataiscrucialforoursuccess.Impressive,tostandoutandbeunforgettableinagoodway.hisrepresentationissoimpressivethatwedecidedtohirehimrightaway.Theyhaveanimpressivewebsite,butthequalityoftheproductispathetic(无价值的).Realistic,tobepossibleandattainable.Thatdeadlineisn'trealistic,soweneedtoaskformoretime.Heisn'tbeingrealisticwhenheexpectstochargesuchhighpricesforhisproducts.Sincere,tobehonestorbetrustworthy.Ithinkshewasbeingsincere,soIthinkwecantrusther.Sometimesit'sverydifficulttoknowifsomeoneisbeingsincereorisjustagoodliar.Na?ve,overlysimpleorlackingexperience.Hewantstochangetheworld,butheisveryna?ve,soheneedsomeonetohelphim.Ithinkwecantakeadvantageofhimbecausehe'sna?veandimpatient.文案大全．实用文档Brilliant,highlyintelligentorexceptioninbrightness,theoppositeofdoll.Thereisnodoubtthatheisabrilliantscientistbutheisaverypoormanager.It'samazinghowsuchabrilliantmancanbesostupidaroundthewoman.Cruel,mean,mandhurtful,theoppositeofkind.Hecanbecruelwhenhedoesn'texpecthimtobenicetoyou.Iwasshockedbyhowcruelhewaswhenhefiredher.Clever,innovative,creative,verysmart.Hefoundacleversolutionthatallowedtoreducetocosts.Advertisersareverycleveratgettingpeopletobuythingstheydon'treallyneed.Skeptical,needprooforevidencetoovercomedoubts,theoppositeofconvince.I'msuretheywillbeskepticaltoourresults,soweneedtobringconvincingevidence.I'mskepticalthatsuchasimpledesigncansatisfyourrequirements.文案大全．实用文档L5Unit3-3dialogueGuesswhat,Ijustwonalorry,50milliondollars.You'rekidding.Areyousureforrealandthereisn'tamistake?No,Icheckedandconfirmed.Wow,that'sfantastic.Congratulations.Ineverexpectthis.SonowI'vegottofigureoutwhattodowithit.Yes,youdoandbecareful.I'mtellingyou,everythingisabouttochange.Em,I'minastateofshocksoIhaven'thadanytimetothink.Withallyourmoney,whataboutyourfriends?Youmeanyouright?Sure,whynot?Whydon'tyougivemeanewcar?Andthenwhat?Sure,ifIstartgivingthingstomyfriends,itwillneverstop.I'vegotthething.Onethingforsure,you'llhavenotroublefindingagirlfriendnow.Yeah,you'reprobablyright.Imightaswellhavesomefunandenjoyrichlifeforawhile.Itwouldbegreattohaveanicegirlfriend.I'veneverbeensuccessfulwithwoman.Whatareyougoingtodoaboutyourjob?IwillgivenoticerightawayandfinishtheprojectI'vebeenworkingon.That'snice.Ishouldthecompanywillappreciateit.thenwhat?ThenIwilltakesometimeformyselfandthinkaboutIwanttodo.Anyideas?文案大全．实用文档Nothingdefinite.ButI'vebeenconsideringstartingmyownbusiness.Ormaybeinvestinsomethinginteresting.Becarefulaboutinvesting.Oneofmybestfriendsbecameaninvestorafterhesoughtsomestockinacompanyhewasworkingfor.Heisreallysmartbuthegotfooledintoinvestingalotofmoneyintoacompanythatwentbankrupt.Heendeduplosinghisentireinvestment.Whathappenedthen?Hiswifedivorcedhimandtookmostofhisassetswithher.Sohehastoworkagain.Soevensmartpeoplecanbefooled.Well,I'minnohurry.SoI'llbecareful.IthinkthefirstthingI'lldoistobuyanicehouseandhelpmyparents.They'veworkedhardalltheirlivesbutarestillbarelyabletosurviveonwhattheyhave.Thatsoundslikeagoodplan.Whateveryoudodon'tletthisgotoyourhead.Trynottolosewhoyouare.Don'tworry,Iwon't.Iknowwhatyoumean.文案大全．实用文档L5Unit3-4ListeningThereareseveralfundamentalforcesthatholdouruniversetogether.Oneofthese,ofcourseisgravity,theforcebetweenobjectsthathavemass.Anotherimportantforceistheelectromagneticforce.Theelectromagneticforceisresponsibleforthechemicalreactions.Withoutit,therewouldbenoatomsandmolecules.Upuntilacoupleofhundredyearsago,verylittlehaveknownaboutthisforce.Learningabouttheelectromagneticforceandhowtouseitwasamajorstepforward.Itrevolutionizedcommunication,transportationandmanufacturing.Imaginewhatlifewouldbelikewithoutelectricity.Theelectromagneticforcehastwoparts,theelectricalforceandmagneticforce.Theelectricalforceistheforcebetweenanelectricalchargearticlesuchaselectronandproton(质子).Electricchargesattractorrepeleachotherwithaforcethatdependsonthedistancebetweenthem.Themagneticforceistheforcebetweenmagneticpolessuchasthenorthandsouthpole.Infact,theearthislikealargebarmagnetwithanorthandsouthpole.Manyanimalsusetheearth'smagneticfieldtonavigateduringtheirmigrations.Wecanalsoseethismagneticfieldwhenweuseacompass.Whydoestheearthhaveamagneticfield?Manyscientistsbelievethattheearth'smagneticfieldisduetotheearthrotation.Deepinsidetheearthissolidironcoresurroundedbyaliquidmetaloutercore.Themovingelectriccurrentsinsidethisliquidmetalcreateamagneticfield.Theearthmagneticfieldisimportantbecauseitprotectsusfromthesolarwind.Thesolarwindisacurrentofchargeparticlescomingatusfromthesun.whenthesolarwindnearstheearth,theearth's文案大全．实用文档magneticfielddeflectsitaway.This