2019高考英语一轮基础练 Unit 3 Celebration（含解析）北师大版必修1

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1、Unit3Celebration阅读理解AGreycloudsmoveaslowassmokeoverthetreetopsatLoloPass.Thegroundiswhite.ThedayisJune10.IthasbeensnowingforthepastfourdaysintheBitterrootMountains.WayneFairchildisgettingworriedaboutourtrekovertheLoloTrail-95milesfromLoloMontanatoWeippe

2、inIdaho,acrosstheroughestcountryintheWest.LewisandClarkwerenearlydefeated200yearsagobysnowstormsontheLolo.TodayFairchildisnervouslycheckingtheweatherreports.Hehasagreedtotakemeacrossthetoughest,middlesectionofthetrail.WhenLewisclimbedontopofLemhiPass,14

3、0milessouthofMissoula,onAug.12,1805,hewasastonishedbywhatwasinfrontofhim;＂highmountainchainsstilltotheWestofuswiththeirtopspartiallycoveredwithsnow.＂NobodyinwhatwasthentheUSknewtheRockyMountainsexisted,withpeakstwiceashighasanythingintheAppalachiansback

4、East.Todaytheirpathwaythroughthosemountainsholdsmoreattractionthananyothergroundoverwhichtheytraveled,foritsrawwildernessisanevidencetothecharacteroftwocultures:theexplorerswhobraveditshardshipsandtheNativeAmericanswhoprizeandconservethepathasasacred(神圣

5、的)gift.ItremainstodaythesameconditionaswhenLewisandClarkwalkedit.TheLoloispassableonlyfromJulytomid-September.Ourluckisholdingwiththeweather,althoughthesnowkeepsgettingdeeper.AsweclimbtoIndianPostOffice,thehighestpointonthetrailat7,033ft,wehavecovered13

6、milesinsoftsnow,andwehardlyhaveenoughenergytomakedinner.Afteramealofchicken,Isitonarockontopoftheridge(山脊）.Thereisnolightvisibleinanydirection,notevenanothercampfire.Forfourdayswedonotseeanotherhumanbeing.Weareoccupiedwiththethingsthatmixfearwithjoy.Ino

7、urimaginationwehavefinallycaughtupwithLewisandClark.1.Welearnfromthetextthatbefore1805.A.TheRockyMountainswerewhollycoveredwithsnowB.therewerenopeoplelivinginthewesternpartofAmericaC.noAmericansknewoftheexistenceoftheRockyMountainsD.theAppalachiansweret

8、hewesternfrontieroftheUnitedStates2.WelearnfromthetextthattheLoloPass.A.haschangedalotsince1805B.isthemeetingpointofthreeculturesC.remainsmuchthesameasitwas200yearsagoD.nowattractsalargenumberoftouriststovisit3.Judgingfromthetext