训练1(时间：45分钟)Ⅰ.介副词填空1．Withannualrainfallclose__________zero，Antarcticaistechnicallyadesert.2．Antarcticaholds90%oftheworld'sice，andmostofitsfreshwateris________afrozenstate.3．________averageitistwokilometersthick.4．YetAntarcticaisfullofwildlife，whichhasadapted________itsextremeconditions.5．Therestoftheplantsaremadeup________mosses，algaeandlichen.6．Gasesandminerals，________theformofvolcanicdusttrappedintheice，cantellusalotofaboutwhattheworld'sclimatewaslikeinpastages.7．Onerock，known________the“Alien”rock，maycontainevidenceofextra-terrestriallife.8．ANorwegiancalledCarstensBorchgrevinkbecamethefirstmantosetfoot________theAntarcticmainland.9．________particular，itaimstokeepAntarcticafreefromnucleartestsandradioactivewaste.10．Todayscientists________manycountriestraveltoAntarcticatostudyitsresources.答案1.to2.in3.On4.to5.of6.in7.as8.on9．In10.fromⅡ.单词拼写1．Coveringabout14millionsquarekilometersaroundtheSouthPole，itisthefifthlargestc________intheworld.2．Strongwindsdrivenbyg________blowfromthepoletothecoastline.3．ButthelongAntarcticwinternight，whichlastsfor182days，aswellasthee________coldandlackofrainfall，meansthatfewtypesofplantscansurvivethere.4．Withannualr________closetozero，Antarcticaistechnicallyadesert.5．Insomeplacesitreachesad________offivekilometers.6．98%ofthesurfaceiscovered________(永久地)intheicecap.7．In1961，a________(公约)signedby12countries，includingBritain，France，andtheUSA，madeAntarcticatheworld'sbiggestnaturereserve.8．Theaimofthetreatyistopreventthe________(商业的)andmilitaryuseofthecontinent.9．Greekgeographersbelievedthattherewasalargelandmassinthesouthwhich________(使平衡)thelandinthenorth.10．WhenEuropeansdiscoveredthecontinentofAmericainthefifthcentury，thegreatageof________(探索)began.答案1.continent2.gravity3.extreme4.rainfall5．depth6.permanently7.treaty8.commercial9.balanced10.explorationⅢ.翻译与仿写1．YetAntarcticaisfullofwildlife，whichhasadaptedtoitsextremeconditions.翻译：___________________________________________________________________仿写：小孩子往往很快就能适应新环境。___________________________________________________________________答案但南极洲仍然栖息着很多野生生物，它们已经适应了那里极其恶劣的条件。Youngkidsoftenadaptthemselvesquicklytoanewenvironment.2．ButmorethantwothousandyearsagoGreekgeographersbelievedthattherewasalargelandmassinthesouthwhichbalancedthelandinthenorth.翻译：____________________________________________________________________仿写：他在墙头上用胳膊保持平衡。____________________________________________________________________答案但是多年以前，希腊的地理学家认为地球南边有一块陆地与北边的陆地保持平衡。Hekepthisbalancewithhisarmsontopofthewall.3．Sunriseandsunsetcomeonceeverysixmonths，andinthewinterthetotalabsenceofdaylightcanbetiresome，andforsome，depressing.翻译：____________________________________________________________________仿写：我不在时，由莱顿女士负责。____________________________________________________________________答案日出和日落每6个月才有一次，冬季完全不见日光会令人厌倦，对有些人来说令人沮丧。Ms.Leightonwillbeinchargeduringmyabsence.4．SincemostAntarcticrocksaredarkincolour，theystandoutagainstthewhitebackgroundandareeasytoidentifyandcollect.翻译：____________________________________________________________________仿写：高大的弗雷德在人群中特别显眼。_____...
