2015高中英语阅读理解专题训练 ( 五 )

2015高中英语阅读理解专题训练 ( 五 )

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时间:2019-08-06

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1、高中英语阅读理解专题训练(广东专版每篇5小题)(第5套)第一节:阅读理解(共15小题;每小题2分,满分30分)阅读下列短文,从每题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。A(words:323&235)Everywheremanisalteringthebalanceofnature.Heisfacilitatingthespreadofplantsandanimalsintonewregions,sometimesdeliberately,sometimesunconsciously.Heiscove

2、ringhugeareaswithnewkindsofplants,orwithhouses,factories,slag-heapsandotherproductsofhiscivilization.Heexterminatessomespeciesonalargescale,butfavorsthemultiplicationofothers.Inbrief,hehasdonemoreinfivethousandyearstoalterthebiologicalaspectoftheplanetthanhasnaturei

3、nfivemillion.Manyofthesechangeswhichhehasbroughtabouthavehadunforeseenconsequences.WhowouldhavethoughtthatthethrowingawayofapieceofCanadianwaterweedwouldhavecausedhalfthewaterwaysofBritaintobeblockedforadecade,orthattheprovisionofpotcactiforlonelysettlers’wiveswould

4、haveledtoEasternAustralianbeingoverrunwithforestsofPricklyPear?WhowouldhaveprophesiedthatthecuttingdownofforestsontheAdriaticcoasts,orinpartsofCentralAfrica,couldhavereducedthelandtoasemidesert,withtheverysoilwashedawayfromthebarerock?Whowouldhavethoughtthatimproved

5、communicationswouldhavechangedhistorybythespreadingofdisease-sleepingsicknessintoEastAfrica,measlesintoOceania,verypossiblymalariaintoancientGreece?Thesearespectacularexamples;butexamplesonasmallerscaleareeverywheretobefound.Wemakeanaturesanctuaryforrarebirds,prescr

6、ibingabsolutesecurityforallspecies;andwemayfindthatsomecommonandhardykindofbirdmultipliesbeyondmeasureandouststherarekindsinwhichwewereparticularlyinterested.Wesee,owingtosomelittlechangebroughtaboutbycivilization,thestarlingspreadovertheEnglishcountry-sideinhordes.

7、Weimprovethe8yieldingcapacitiesofourcattle;andfindthatnowtheyexhaustthepastureswhichsufficedforlessexigentstock.41.Thefollowingexamplesexcept_______________reflectmanalteringthebalanceofnature.A.maniscoveringhugeareaswithnewkindsofplantsB.manisfacilitatingthespreado

8、fanimalsintonewregions.C.maniskillingsomespeciesonalargescaleD.manisgettingtoknowtheimportanceofkeepingthebalanceofnature.42.Whathadapiece

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