大学英语4篇阅读练习(学生用)

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1、ReadingComprehensionPracticeSolarenergyforyourhomeiscoming・1(canhelpyouasasinglehomeowner.Itcanhelpthewholecountryaswell.Whetherornotsolarenergycansaveyourmoneydependsonmanythings.Whereyouliveisonefactor.Thetypeofhomeyouhaveisanother.Thingslikeinsulationpres

2、entenergycoasts,andthetypeofsystemyoubuyareaddedfactors・Usingsolarenergycanhelpsaveourpreciousfuel.Asyouknow,oursuppliesofoilandgasareverylimited.Thereisjustnotenoughonhandtomeetallourfutureenergyneeds・AndwhenMotherNaturesaysthat'sall.Theonlywaywecandelayhea

3、ringthosewordsisbystartingtosaveenergynowandbyusingothersources,likethesun.Wewonthavetoworryaboutthesunsirinningoutofenergyforanotherseveralbillionyearsorso.Besidesbeginanendlesssourceofenergy,theuseofthesunhasotheradvantagesaswell.Thesundoesn'tofferasmanypr

4、oblemsasotherenergysources.Forexample,fossilfuelplantsaddtoalreadyhighpollutionlevels.Withsolarenergy,wewillstillneedsourcesofenergy,butwewontneedasmuch.Thatmeanswecancutdownonourpollutionproblems・Withallthesegoodpoints,whydon'tweusemoresolarpower?Therearema

5、nyreasonsforthis.Thebiggestreasonismoney.Untilnow,itwasjustnotpracticalforahomeownertoputinasolarunit.Therewerecheapersourcesofenergy.Allthatischangingnow.Solarcoatsarestartingtoequalthecostsofoilandelectricity.Expertssaythatgas,oilandelectricitypriceswillco

6、ntinuetorise.Thedemandforelectricityisincreasingrapidly.Butnewpowerplantswillusemoregas,oilorcoal.Alreadyinsomeplacesthesupplyofelectricityisbeingrationed.Solarenergyisnowinitsinfancy・Itcouldsoongrowtobecomeamajorpartofournationsenergysupply.21・Whichstatemen

7、tbestexpressesthemainidea?A)SomethingaboutSolarEnergyandPollution.B)SolarEnergy・C)EnergyandPollutionD)EnergyandMoney・22.Solarenergycanhelpussave•A)theearthandnaturalresourcesB)mothernatureC)thesunD)ourpreciousfuel23.Thesunisanendlesssourceofenergy,itwillnotr

8、unoutofitfor・A)severalmillionyearsB)severalhundredyearsC)severalbillionyearsD)severalthousandyears24.Whichofthefollowingstatementsiscorrect?A)Energyfromcoalwouldnotpolluteourlivingenvironment.B)