2019年高中英语课时跟踪练（七）（含解析）新人教版

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1、课时跟踪练（七）WarmingUp&Reading—PrereadingⅠ.阅读理解ATheyearis2094.Ithasbeenannouncedthatacomet(彗星)isheadingtowardstheEarth.Mostofitwillmissourplanet,buttwopieceswillprobablyhitthesouthernhalfoftheEarth.On17July,apiecefourkilometerswideenterstheEarth’satmospherewithamassiveexplosion.Abouthalfofth

2、epieceisdestroyed,buttheremainingparthitstheSouthAtlanticat200timesthespeedofsound.Theseaboilsandahugeholeismadeintheseabed.Hugewavesarecreatedandspreadoutwardsfromthehole.Thewallofwater,akilometerhigh,rushestowardssouthernAfricaat800kilometersanhour.CitiesontheAfricancoastaretotallydes

3、troyedandmillionsofpeoplearedrowned.BeforethewavesreachSouthAmerica,thesecondpieceofthecometlandsinArgentina.EarthquakesandvolcanoesaresetoffintheAndesMountains.TheshockwavesmovenorthintoCaliforniaandallaroundthePacificOcean.ThecitiesofLosAngeles,SanFranciscoandTokyoarecompletelydestroy

4、edbyearthquakes.Millionsofpeopleinthesouthernhalfoftheeartharealreadydead,butthenorthwon’tescapeforlong.Becauseoftheexplosions,thesunishiddenbycloudsofdust,andtemperaturesaroundtheworldfalltoalmostzero.Cropsareruined.Thesunwon’tbeseenagainformanyyears.Warsbreakoutascountriesfightforfood

5、.Ayearlater,nomorethan10millionpeopleremainalive.Coulditreallyhappen?Infact,ithasalreadyhappenedmorethanonceinthehistoryoftheEarth.ThedinosaurswereontheEarthforover160millionyears.Thenabout65millionyearsagotheysuddenlydisappeared.ManyscientistsbelievethattheEarthwashitbyapieceofobjectin

6、space.Thedinosaurscouldn’tlivethroughthecoldclimatethatfollowedandtheydiedout.Willwemeetthesameend?语篇解读：文章主要描述了2094年如果一颗彗星的碎片撞向地球，人类可能面临终结。1．Whatismainlydescribedinthepassage?A．Ahistoricaldiscovery.B．Aneventofimagination.C．Aresearchonspace.D．Ascientificadventure.解析：选B　细节理解题。根据第一段的时间2094

7、以及下文的内容可知，文章描述了人类在2094年可能会遭遇的灾难。这些事情只是一种想象而已。2．WhenthefirstpiecehitstheSouthAtlantic,itcauses________.A．anearthquake　　　　　　B．damagestocitiesC．anEarthexplosionD．hugewaves解析：选D　细节理解题。根据文章第二段中“Hugewavesarecreatedandspreadoutwardsfromthehole.”可知答案。3．Whycan’tthenorthernhalfoftheearth