老托听力93篇原文.docx
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老托听力93篇原文.docx
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老托听力93篇原文
老托PartC精选93篇
1
Communityserviceisanimportantcomponentofeducationhereatouruniversity.Weencourageallstudentstovolunteerforatleastonecommunityactivitybeforetheygraduate.Anewcommunityprogramcalled"OneOnOne"helpselementarystudentswho'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】
ponent:
n.[C]oneofseveralpartsthattogethermakeupawhole
machineorsystem(机器或系统的)零件;成分;组成部分
2.tutor:
n.[C]someonewhoteachesonepupilorasmallgroup,andis
directlypaidbythem家庭教师,私人教师v.toteachsomeoneasatutor给…
当家庭教师;指导
3.mentor:
n.[C]anexperiencedpersonwhoadvisesandhelpsaless
experiencedperson顾问,指导人,教练
1
2
Ihopeyou'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]anarrangementwithacompanyinwhichyoupaythem
moneyeachyearandtheypaythecostsifanythingbadhappenstoyou,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]aformalwrittenagreementbetweentwoormore
people,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.formalthesalientpointsorfeaturesofsomethingarethe
mostimportantormostnoticeablepartsofit【正式】显著的,突出的
11.paramount:
adj.moreimportantthananythingelse至高无上的,最重要的
3
LocatedattheNASAResearchCenterinIowaisa5,000-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]averylargecontainerforstoringliquidssuchaswhiskyor
dye,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]amillworkedinthepastbyprisonerstreadingon
stepsfixedtoaverylargewheel(过去用以惩罚犯人的)踏车
5.aerospace:
adj.involvingthedesigningandbuildingofaircraftandspace
vehicles航空和航天(器制造)的n.[U]theindustrythatdesignsandbuildsaircraftandspacevehicles航空和航天工业,航天工业
6.scubadiving:
n.[U]thesportofswimmingunderwaterwhilebreathing
throughatubeconnectedtoacontainerofaironyourback斯库巴潜泳,水肺潜泳(戴自携式潜水呼吸器潜泳)
7.simulate:
v.tomakeorproducesomethingthatisnotrealbuthasthe
appearanceofbeingreal模仿,模拟
8.Martian:
adj.oforrelatingtotheplanetMars火星的
9.stride:
n.[C]alongstep大步,阔步
10.elbow:
n.[C]thejointwhereyourarmsbends肘
WelcometoEvergladesNationalPark.TheEvergladesisawateryplaincoveredwithsawgrassthat'shometonumerousspeciesofplantsandwildlife.Atoneandahalfmillionacres,it'stoobigtoseeitalltoday,butthistourwillofferyouagoodsampling.OurtourbuswillstopfirstatTaylorSlough.Thisisagoodplacetostartbecauseit'shometomanyoftheplantsandanimalstypicallyassociatedwiththeEverglades.You'llseemanyexoticbirdsand,ofcourse,ourworldfamousalligators.Don'tworry,there'saboardwalkthatgoesacrossthemarsh,soyoucanlookdownattheanimalsinthewaterfromasafedistance.Theboardwalkishighenoughtogiveyouagreatviewofthesawgrassprairie.Fromtherewe'llheadtosomeothermarshyandevenjunglelikeareasthatfeaturewonderfultropicalplantlife.Forthoseofyouwho'dlikeacloserviewofthesawgrassprairie,youmightconsiderrentingacanoesometimeduringyourvisithere.However,don'tdothisunlessyouhaveaverygoodsenseofdirectionandcannegotiateyourwaythroughtallgrass.We'dhatetohavetocomelookingforyou.Youhavethegoodfortuneofbeinghereinthewinter—thebesttimeofyeartovisit.Duringthespringandsummer,themosquitoeswilljustabouteatyoualive!
Rightnowthey'renotsobothersome,butyou'llstillwanttouseaninsectrepellent.
【生词摘录】
1.EvergladesNationalPark:
大沼泽地国家公园
2.sawgrass:
克拉莎草;加州砖子苗
3.acre:
n.[C]aunitformeasuringarea,equalto4,047squaremetres英
亩
4.sampling:
n.itemsselectedatrandomfromapopulationandusedto
testhypothesesaboutthepopulation取样,抽样,采样
5.exotic:
adj.approvingseemingunusualandexcitingbecauseofbeing
connectedwithaforeigncountry【褒义】异国风情的,外国情调的:
exoticbirds外国的奇异鸟类
6.alligator:
n.[C]alargeanimalwithalongmouthandsharpteeththat
liesinthehotwetpartsoftheUSandChina短吻鳄
7.boardwalk:
n.[C]AmEaraisedpathmadeofwood,usuallybuiltnext
tothesea【美】(常在海滨)用木板铺成的小道
8.prairie:
n.[C]awideopenareaoflandinNorthAmericawhichis
coveredingrassorwheat(北美洲的)大草原
9.canoe:
n.[C]alonglightboatthatispointedatbothendsandwhich
youmovealongusingapaddle独木舟,小划子
10.negotiate:
v.<口>成功通过,顺利越过
11.mosquito:
n.[C]asmallflyinginsectthatsucksthebloodofpeople
andanimals蚊子
12.repellent:
n.[C,U]asubstancethatkeepsinsectsaway驱虫剂
Thankyou.It'sgreattoseesomanyofyouinterestedinthisserieson"SurvivalinOuterSpace."Pleaseexcusethecameras;we'rebeingvideotapedforthelocalTVstations.TonightI'mgoingtotalkaboutthemostbasicaspectofsurvival—thespacesuit.Whenmostofyouimagineanastronaut,that'sprobablythefirstthingthatcomestomind,right?
Well,withoutspacesuits,itwouldnotbepossibleforustosurviveinspace.Forexample,outerspaceisavacuum—there'snogravityorairpressure;withoutprotection,abodywouldexplode.What'smore,we'dcookinthesunorfreezeintheshadewithtemperaturesrangingfromatoasty300degreesabovetoacool300degreesbelowzeroFahrenheit.ThespacesuitthatNASAhasdevelopedistrulyamarvel.Thisphotoenlargementhereisalife-sizeimageofanactualspacesuitwornbyastronautsonthelastspaceshuttlemission.Th
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