资源描述：
《大学英语Ⅰ复习思考题及答案》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、《大学英语Ⅰ》复习思考题PartI.ReadingComprehension题目答案及解析CanalsexistedinEgyptthousandsofyearsago.ThegreatcanalatBabylonwasbuiltabout2000B.C.TheGrandCanalofChina,whichisover900mileslong,wasbegunabout2500yearsago,andtookcenturiestofinish.Duringtheseventeenthcentury,Francebuiltmanycanalsthatarestillinuset
2、oday.However,theyarenotsoheavilytraveledastheywereahundredyearsago,beforerailwayswerebuilt.Onesuchcanalisashort-cutbetweentheAtlanticOceanandtheMediterranean.CanalsinGermanypermitboatstogofromtheBlackSeatotheNorthSea.TheKielCanalprovidesapassagewaybetweentheNorthSeaandtheBaltic.InAmerica,th
3、eGreatLakesareallconnectedbycanals,enablingshipstogofromtheAtlanticOceanandtheSt.LawrenceRivertoLakeSuperior.Itisimpossibletoanswerthequestion,“Whobuiltthefirstcanal?”Perhapssomepeoplelongago,livinginadrycountry,discoveredthattheycoulddigditchestoirrigatetheirfieldswithriverwater.And,natura
4、lly,inthedayswhenboatswerethemostimportantmeansoftransport,canalsweretheeasiestmeansofreachingaplacethatwasnotonariver.Acanaljoiningtworiversprovedbotheasyandtime-savingforboattravel.Today,mostcountriesistheworldhavecanals,eveninthetwentiethcentury,goodscanmovemorecheaplybyboatthanbyanyothe
5、rmeansoftransport.Somecanals,suchastheSuezorthepanama,saveshipsweeksoftimebymakingtheirvoyageathousandmilesshorter.Othercanalspermitboatstoreachcitiesthatarenotlocatedonthecoast.Stillothercanalsdrainlandswherethereistoomuchwater,helptoirrigatefieldswherethereisnotenoughwater,andfurnishwater
6、powerforfactoriesandmills.1.Whichofthefollowingpairsofplaceshasnotyetbeenconnectedbycanal?A.TheNorthSeaandtheBlackSea.B.TheAtlanticOceanandtheMediterraneanSea.C.TheNorthSeaandtheBaltic.D.TheBlackSeaandtheBaltic.2.Accordingtothispassage,canalsinEuropewerebuiltprimarilyfor_____.A.transportB.i
7、rrigationC.drainageD.electricity3.Itisimpliedinthepassagethatthefirstcanalwasprobablybuilt______.A.inChinaB.about2000B.C.C.forirrigationD.forboattravel4.Whichofthefollowingstatementsisnottrueaccordingtothispassage?A.Boatstravelfasterinthecanalthanintheri
