2015高中英语阅读理解专题训练( 5 )

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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．Heiscoveringhugeareaswithnewkindsofplants,

2、orwithhouses,factories,slag-heapsandotherproductsofhiscivilization．Heexterminatessomespeciesonalargescale,butfavorsthemultiplicationofothers．Inbrief,hehasdonemoreinfivethousandyearstoalterthebiologicalaspectoftheplanetthanhasnatureinfivemillion．Manyofthesechangeswhichhehasbroughtabouthavehadunforese

3、enconsequences．WhowouldhavethoughtthatthethrowingawayofapieceofCanadianwaterweedwouldhavecausedhalfthewaterwaysofBritaintobeblockedforadecade,orthattheprovisionofpotcactiforlonelysettlers’wiveswouldhaveledtoEasternAustralianbeingoverrunwithforestsofPricklyPear?Whowouldhaveprophesiedthatthecuttingdow

4、nofforestsontheAdriaticcoasts,orinpartsofCentralAfrica,couldhavereducedthelandtoasemidesert,withtheverysoilwashedawayfromthebarerock?Whowouldhavethoughtthatimprovedcommunicationswouldhavechangedhistorybythespreadingofdisease-sleepingsicknessintoEastAfrica,measlesintoOceania,verypossiblymalariaintoan

5、cientGreece?Thesearespectacularexamples;butexamplesonasmallerscaleareeverywheretobefound．Wemakeanaturesanctuaryforrarebirds,prescribingabsolutesecurityforallspecies;andwemayfindthatsomecommonandhardykindofbirdmultipliesbeyondmeasureandouststherarekindsinwhichwewereparticularlyinterested．Wesee,owingt

6、osomelittlechangebroughtaboutbycivilization,thestarlingspreadovertheEnglishcountry-sideinhordes．Weimprovethe8yieldingcapacitiesofourcattle;andfindthatnowtheyexhaustthepastureswhichsufficedforlessexigentstock．41．Thefollowingexamplesexcept_______________reflectmanalteringthebalanceofnature．A．maniscove

7、ringhugeareaswithnewkindsofplantsB．manisfacilitatingthespreadofanimalsintonewregions．C．maniskillingsomespeciesonalargescaleD．manisgettingtoknowtheimportanceofkeepingthebalanceofnature．42．Whathadapiece