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1、大学英语四级模拟题三及答案PartIWriting(30minutes)Directions:Forthispart,youareallowed30minutestowriteacompositiononthetitleGlobalWarming.Youshouldwriteatleast120wordsfollowingtheoutlinegivenbelowinChinese:1.全球性变暖的原因2.提出解决的建议PartIIReadingComprehension(SkimmingandScanning)(15minutes)Directions:Inthispart,youwill
2、have15minutestogooverthepassagequicklyandanswerthequestiononAnswerSheet1Forquestions1-7,markY(forYES)ifthestatementagreeswiththeinformationgiveninthepassage;N(forNO)ifthestatementcontradictstheinformationgiveninthepassage;NG(forNOTGIVEN)iftheinformationisnotgiveninthepassage.Forquestions8-10,compl
3、etethesentenceswiththeinformationgiveninthepassage.SpidersSpiderscanbedistinguishedfromotherArachnidsbecausetheprosoma(combinedheadandthorax)isonlyseparatedfromtheopisthosoma(abdomen)byanarrowwaist,inotherArachnidsthewholebodyappearstobemuchmoreofasingleunit.Allspidersproducesilk,butonlysomeconstr
4、uctwebstocatchtheirhomesandtoprotecttheireggs.Allspiderspossesspoisonglandsbutveryfewofthemaredangeroustohumans,ofthe600+speciesinBritainonly12(atleastoneoftheseisarecenthumanassistedcolonist)arestrongenoughtopiercethehumanskin,andapartfromallergies,nonearemoredangerousthanacommonwasp.Mostspidersh
5、ave8eyes(thoughsomehave6,4,2or0),aswellas8legs.(bythewayifyoucounttheclawsasseparatelegsection[whichyoushouldn'treally]thentheirlegshave8partsaswell[coxa,trochanter,femur,patella,tibia,tarsus,metatarus,claws])Therearemorethan32000knownspeciesofspiderintheworld.Nohumanbeinghaseverbeenofficiallyreco
6、rderashavingdiedastheresultofa'tarantula'bite.Allspidersarecarnivorousandfeedonlyonliquids,i.e.theirpreysnaturaljuicesandthebreakdownproductsofexternaldigestion(meaningtheyspit,exudeorinjectdigestivejuicesonto/intotheirpreyadsuckuptheresultingsoup).Sowhynotinvitesometoyournextsocialdo?What'sInaNam
7、eTheword'Arachnida'comesfromtheGreekword'Arachne'whowasthedaughterofIdmonofColophoninLydia,adyerbytrade.Arachneherselfwasaweaver,thebestinalltheknownworld.HoweverinafoolishmomentshechallengedAthene,thedaughterofZ