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1老托PartC精选93篇1Communityserviceisanimportantcomponentofeducationhereatouruniversity.Weencourageallstudentstovolunteerforatleastonecommunityactivitybeforetheygraduate.AnewcommunityprogramcalledOneOnOnehelpselementarystudentswho'vefallenbehind.Youeducationmajorsmightbeespeciallyinterestedinitbecauseitofferstheopportunitytodosometeaching—thatis,tutoringinmathandEnglish.You'dhavetovolunteertwohoursaweekforonesemester.Youcanchoosetohelpachildwithmath,English,orboth.Half-hourlessonsarefine,soyoucoulddoahalfhourofeachsubjecttwodaysaweek.ProfessorDodgewillactasamentortothetutors—he'llbeavailabletohelpyouwithlessonplansortooffersuggestionsforactivities.HehasofficehourseveryTuesdayandThursdayafternoon.Youcansignupfortheprogramwithhimandbeginthetutoringnextweek.I'msureyou'llenjoythiscommunityserviceandyou'llgainvaluableexperienceatthesametime.Itlooksgoodonyourresume,too,showingthatyou'vehadexperiencewithchildrenandthatyoucareaboutyourcommunity.Ifyou'dliketosignup,orifyouhaveanyquestions,stopbyProfessorDodge'sofficethisweek.【生词摘录】1.component:n.［C］oneofseveralpartsthattogethermakeupawholemachineorsystem（机器或系统的）零件；成分；组成部分2.tutor:n.［C］someonewhoteachesonepupilorasmallgroup,andisdirectlypaidbythem家庭教师，私人教师v.toteachsomeoneasatutor给„当家庭教师；指导3.mentor:n.［C］anexperiencedpersonwhoadvisesandhelpsalessexperiencedperson顾问，指导人，教练22Ihopeyou'veallfinishedreadingtheassignedchapteroninsurancesothatyou'repreparedforourdiscussiontoday.But,beforewestart,I'dliketomentionafewthingsyourtextdoesn'tgointo.It'sinterestingtonotethatinsurancehasexistedinsomeformforaverylongtime.Theearliestinsurancepolicieswerewhatwecalledbottomrycontracts.Theyprovidedshippingprotectionformerchantsasfarbackas3000B.C.Ingeneral,thecontractswereoftennomorethanverbalagreements.Theygrantedloanstomerchantswiththeunderstandingthatifaparticularshipmentofgoodswaslostatsea,theloandidn'thavetoberepaid.Interestontheloansvariedaccordingtohowriskyitwastotransportthegoods.Duringperiodsofheavypiracyatsea,forexample,theamountofinterestandthecostofthepolicywentupconsiderably.So,youcanseehowinsurancehelpedencourageinternationaltrade.Eventhemostcautiousmerchantsbecamewillingtoriskshippingtheirgoodsoverlongdistances,nottomentioninhazardousweatherconditionswhentheyhadthiskindofprotectionavailable.Generallyspeaking,thebasicformofaninsurancepolicyhasbeenprettymuchthesamesincetheMiddleAges.Therearefourpointsthatweresalientthenandremainparamountinallpoliciestoday.Thesewereoutlinedinchaptersixandwillserveasthebasisfortherestoftoday'sdiscussion.Cananyonetellmewhatoneofthosepointsmightbe?【生词摘录】1.insurance:n.［U］anarrangementwithacompanyinwhichyoupaythemmoneyeachyearandtheypaythecostsifanythingbadhappenstoyou,suchasanillnessoranaccident保险；themoneythatyoupayregularlytoaninsurancecompany保险费；thebusinessofprovidinginsurance保险业2.bottomry:n.船舶抵押契约（如船舶损失，则债务取消），冒险借贷3.contract:n.［C］aformalwrittenagreementbetweentwoormorepeople,whichsayswhateachpersonmustdofortheother契约；合同4.loan:n.［C］anamountofmoneythatyouborrowfromabanketc（银行等的）贷款5.understanding:n.［Cusuallysingular］aprivate,unofficialagreement（私底下、非正式的）协议，协定6.interest:n.［U］achargemadeforborrowingmoney（借贷的）利息［+on］7.piracy:n.thecrimeofattackingandstealingfromshipsatsea海上抢劫，海盗行为8.cautious:adj.carefultoavoiddangerorrisks小心的，谨慎的，慎重的9.hazardous:adj.危险的10.salient:adj.formalthesalientpointsorfeaturesofsomethingarethemostimportantormostnoticeablepartsofit【正式】显著的，突出的11.paramount:adj.moreimportantthananythingelse至高无上的，最重要的33LocatedattheNASAResearchCenterinIowaisa5,000-gallonvatofwater,andinsidethetankisanunderwatertreadmilldesignedbyDavaNewman,anaerospaceengineer.ForfouryearsNewmanobservedscubadiversastheysimulatedwalkingontheMoonandonMarsonherunderwatermovingbelt.ShewantedtodiscoverhowthegravityoftheMoonandofMarswouldaffecthumanmovement.Todothis,Newmanattachedweightstothediversandthenloweredthemintothetankandontothetreadmill.TheseweightswerecarefullyadjustedsothatthediverscouldexperienceunderwaterthegravityoftheMoonandofMarsastheywalkedonthetreadmill.NewmanconcludedthatwalkingonMarswillprobablybeeasierthanwalkingontheMoon.TheMoonhaslessgravitythanMarsdoes,soatlunargravity,thediversstruggledtokeeptheirbalanceandwalkedawkwardly.ButatMartiangravity,thedivershadgreatertractionandstabilityandcouldeasilyadjusttoapaceof1.5milesperhour.AsNewmangraduallyincreasedthespeedofthetreadmill,thediverstooklonger,gracefulstridesuntiltheycomfortablysettledintoanevenquickerpace.NewmanalsonotedthatatMartiangravity,thediversneededlessoxygen.ThedataNewmancollectedwillhelpinthefuturedesignofMartianspacesuits.Comparedtolunarspacesuits,Martianspacesuitswillrequiresmallerairtanks;and,toallowforfreermovement,theelbowandkneeareasofthespacesuitswillalsobealtered.【生词摘录】1.gallon:n.AmEaunitformeasuringliquids,equalto3.785litres【美】加仑（等于3.785升）2.vat:n.［C］averylargecontainerforstoringliquidssuchaswhiskyordye,whentheyarebeingmade（酿酒、盛染料用的）大缸，大桶3.tank:n.［C］alargecontainerforstoringliquidorgas（盛放液体或气体的）大容器4.treadmill:n.［C］amillworkedinthepastbyprisonerstreadingonstepsfixedtoaverylargewheel（过去用以惩罚犯人的）踏车