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1、第七部分新题型大纲样题及模拟试题第一章新题型大纲样题一、七（六）选五Directions:Inthefollowingtext,somesentenceshavebeenremoved.ForQuestions41-45,choosethemostsuitableonefromthelistA-Gtofitintoeachofthenumberedblanks.Therearetwoextrachoices,whichdonotfitinanyoftheblanks.MarkyouranswersonANSWERSHEET1.(10points)LongbeforeManlivedont
2、heEarth,therewerefishes,reptiles,birds,insects,andsomemammals.Althoughsomeoftheseanimalswereancestorsofkindslivingtoday,othersarenowextinct,thatis,theyhavenodescendantsalivenow.41)________Veryoccasionallytherocksshowimpressionofskin,sothat,apartfromcolor,wecanbuildupareasonablyaccuratepictureofan
3、animalthatdiedmillionsofyearsago.Thekindofrockinwhichtheremainsarefoundtellsusmuchaboutthenatureoftheoriginalland,oftenoftheplantsthatgrewonit,andevenofitsclimate.42)________.Nearlyallofthefossilsthatweknowwerepreservedinrocksformedbywateraction,andmostoftheseareofanimalsthatlivedinornearwater.Th
4、usitfollowsthattheremustbemanykindsofmammals,birds,andinsectsofwhichweknownothing.43)________Therewerealsocrab-likecreatures,whosebodieswerecoveredwithahornysubstance.Thebodysegmentseachhadtwopairsoflegs,onepairforwalkingonthesandybottom,theotherforswimming.Theheadwasakindofshieldwithapairofcompo
5、undeyes,oftenwiththousandsoflenses.Theywereusuallyaninchortwolongbutsomewere2feet.44)________.Ofthese,theammonitesareveryinterestingandimportant.Theyhaveashellcomposedofmanychambers,eachrepresentingatemporaryhomeoftheanimal.Astheyounggrewlargeritgrewanewchamberandsealedoffthepreviousone.Thousands
6、ofthesecanbeseenintherocksontheDorsetCoast.45)________.About75millionyearsagotheAgeofReptileswasoverandmostofthegroupsdiedout.Themammalsquicklydeveloped,andwecantracetheevolutionofmanyfamiliaranimalssuchastheelephantandhorse.Manyofthelatermammals,thoughnowextinct,wereknowntoprimitivemanandwerefea
7、turedbyhimincavepaintingsandonbonecarvings.[A]Theshellfishhavealonghistoryintherockandmanydifferentkindsareknown.[B]Nevertheless,weknowagreatdealaboutmanyofthembecausetheirbonesandshellshavebeenpreservedintherocksasfos
