英语六级阅读模拟试题及详解答案

英语六级阅读模拟试题及详解答案TheHealthBenefitsofDrinkingWater-lsBottledDrinkingWaterHealthierThanFilteredTapWater?

Waterisakeyingredientinahealthydietandlifestyle.Therearemanyhealthbenefitsofdrinkingwater.Ithelpsflushimpuritiesandtoxinsoutofoursystems.Itaidsinthedeliveryofoxygenandnutrients.Infact,nearlyeverysysteminourbodiesreliesonwaterforproperfunctioning.Butwhatwillhappenifthewateryoudrinkeverydayisunhealthy?

Inpastdecades,concernsabouttapwateranditsimpactonoverallhealthledsomepeopletoturntobottleddrinkingwaterinstead.However,inthosedays,therewerefewchoicesofbottledwaters.Youcouldpaytohaveacompanydeliverlargebulkyplasticbottlesofwaterforthewatercooler.Oryoucouldpurchasegallonjugsofdistilledor“drinkingwater”atthegrocerystore.

Inrecentyears,therehasbeenanexplosioninthenumberofdifferentbottledwatersavailable,withbigdistributorssuchasCokeandPepsijumpingonthebandwagon.ButarebottleddrinkingwaterslikeCokesDasanibrand,PepsisAquafina,orWal-Martsstorebrandreallyanyhealthierthanyourtapwater?Orwouldyoubebetteroffwithadrinkingwaterfiltrationsystem?

Aswehavelearnedmoreaboutthewaterwedrink.thetechnologybehinddrinkingwaterfiltersandpurificationsystemshasimproveddramatically.Therearefilterstoremoveimpurities,chemicals,heavymetals,bacteriaandmosteverycontaminantyoucanthinkof.Withtherightsizeandfiltercombinationforyourspecifichome.yourtapwatercanbeexceptionallypureandhealthy.

CostComparison

Drinkingwaterfiltrationsystemshavealsobecomemoreaffordableandeasytouse.Althoughtheinitialcostofawholehousesystemusuallyamountstoseveralhundreddollars,thatcostisoftenlessthan$100eachyearifspreadoutoverthelifeofthesystem.

Theremaybeadditionalexpensestoreplacecarbonfilters,membranesinreverseosmosisdrinkingwaterfiltrationsystem,orlampsinanultravioletlightwatertreatmentdevice.Theseexpensescanaddanother$1000rsototheannualcostsofoperatingdrinkingwaterfiltersandpurificationsystems.

Whilesomepeoplemayhesitatetospendsomucheachyearforclean,safedrinkingwater,theyareprobablypayingmoreforbottleddrinkingwater.Calculationsshowthatatapriceof$lto$4pergallon,bottledordeliveredwatercostsanaverageof$400eachyear,especiallyifyoupurchaseindividualbottles.Andthatdoesnttakeintoconsiderationthegasneededtodrivetothestoreortheenvironmentalimpactofalltheemptyplasticbottles.

HealthAspects

Manypeoplewhochoosebottleddrinkingwaterunderstandthatitismoreexpensive,buetheyarestillwillingtopaytheextramoneybecausebottledwateristhoughttobesaferandhealthierthanfiltereddrinkingwater.Afterall,bottledwaterisoftenmarketedasnaturalspringwaterorpureglacierwater.

Inreality,fewbottledwaterscomefromnaturalsprings,andmostofthemusemunicipaltapwater.Thecompaniesareabletogetawaywiththisfalsemarketingbecausetheregulatiansandstandardsforbottleddrinkingwaterarelessstringentthanthoseforresidentialdrinkingsources.

ThequalityofbottledwaterisregulatedbytheFoodandDrugAdministrarion(FDA),whiledrinkingwatersystemsaretypicallyregulatedbyStateregulationsortheEnvironmentalProtectionAgency(EPA).ThisdoesntmeanthattheFDAisntdoingtheirjob.Itsjustthattherulesforbottledwateronlyrequireittobeasgoodastapwater,notbetter.

Inaddition,theFDAregulationsonlyapplytobottleddrinkingwaterthatistransportedacrossstatelines.Ifacompanysellstheirbottleddrinkingwaterinthesamestatewhereitwasbottled,thefederalregulationsdontapply.Theresultisthatmanybottledwatersarenotanyhealthierthanfilteredwater.andinfactsomearelesspure.

Thiswasdemonstratedinastudywhichwasconductedin1999bytheNaturalResourcesDefenseCouncil.Theytestedover100brandsofbottleddrinkingwaterandfoundthataboutonethirdofthewaterscomtainedcontaminationintheformofchemicals.bacteria,andarsenic.Thestudyalso,foundthatuptofortypercentofbottleddrinkingwaterscomefromacitywatersystem.

HowtoTellIfYourWaterIsHealthy

Sohowdoyoutellifthewateryouaredrinkingishealthy?Withtapwater,itisrelativetyeasy.Ifyourwatercomesfromamunicipalsource.thesuppliersarerequiredbylawtoprovideannualwaterqualityreports.Ifyouhaveawell,youcanhaveanauthorizedlabtestyourwater.Itmaycost$lOOormore,butitsasmallpricetopayforpeaceofmind.Oryoucanpurchaseakitandtestityourself,butnaturallytheresultsmaynotbeasconclusiveorreliableasthoseproducedbyauthorizedlabs.

Whenitcomestobottleddrinkingwater.itcanbemoredifficulttoknowwhatyouaregetting.Startbycheckingthelabelorthebottlecap.Somemaytellyouthatthewatercomesfromamunicipalsourceorcommunitywatersystem.whichmeanstapwater.

Ifthelabeldoesntgiveanyinformation,youcancallthebottlerandask.Butdontbesurprisedifyougettherunaroundandaretransferredtoseveraldifferentdepartments.Somestateshaveabottledwaterprogramthattracksbottleddrinkingwaterandcantellyoutheoriginofthesourcewateraswellasotherinformation.

Safeandhealthydrinkingwaterhasbecomebigbusiness.Thousandsofcompaniesarevyingforyourhardearnedcash,andsomearenotalwayshonestaboutwhattheirproductsoffer.Theinitialinvestmentforahomedrinkingwaterfiltrationsystemcanseemexpensiveatfirst,butovertime,itisusuallylessexpensivethanbottleddrinkingwater.Andwithawaferfilter.youatleastknowwherethewateryoudrinkcamefromandhowitwastreated.

Beforegoingoutandspendingyourhardearnedmoneyforbottleddrinkingwaterthatmaybenobetterthanyourowntapwater,itisobviouslyagoodideatodosomeresearch.Youarelikelytodecidethatadrinkingwaterfiltrationsystemand/orpurifieristhehealthierchoiceandprovidesthebestvalueaswell.

1.Inpastdecades,bottleddrinkingwaterwas____________________.

A)morepopularthantapwater

B)believedtobetooexpensive

C)inconvenientlyprovided

D)restrictedtofewchoices

2.Now,tapwatercanalsobecomeexceptionallypureandhealthyif_________________.

A)morefundisprovidedforprotectingwaterresources

B)arightfiltrationsystemisinstalledinyourhome

C)measuresaretakentoguidethewatersuppliers

D)ourenvironmentcanbefreefrompollution

3.Operatingdrinkingwaterfiltersandpurificationsystemscosts______________everyyear.

A)severalhundreddollars

B)lessthanahundreddollar

C)abouttwohundreddollars

D)aboutahundreddollar

4.Oneofthedisadvantagesofbottledwateristhattheplasticbottleswould___________________.

A)havetobedeliveredbacktothesuppliers

B)bringaboutimpactontheenvironment

C)notbeassafeasglassbottles

D)increasetheproductioncost

5.Generally,thecompaniesthatusemunicipaltapwaterasbottledwater___________.

A)selltheirwateratalowerprice

B)purifythewaterbeforebottling

C)areseverelypunishedbylaw

D)canescapepunishmentbylaw

6.TheEnvironmentalProtectionAgencyisresponsibleforsupervisingthequalityof____________.

A)drinkingwater

B)bottledwater

C)municipaltapwater

D)undergroundwater

7.Inastudyby____________,manybottleddrinkingwaterwasfoundnottobeashealthyasexpected.

A)theFoodandDrugAdministration

B)theEnvironmentalProtectionAgency

C)theNaturalResourcesDefenseCouncil

D)theNationalAssociationforHealthFreedom

8.Itisrequiredthatthequalityoftapwaterbyamunicipalsourcebeprovidedbyitssupplierin________________.

9.Whenthebottledwaterisclaimedtocomefromacommunitywatersystem,itisactually_____________________.

10.Ifyouneedtoknowanyinformationaboutthebottledwater,youcaneitheraskthebottlerforitorgetitfromthestates__________________.

答案：

1.[D][定位]依据题干中的pastdecades和bottleddrinkingwater查找到第2段。

解析：选项D是对原文该段第2句中的fewchoices的近义改写，故为本题答案。该段最终一句提到了猎取瓶装水的途径，这些途径都很便利，因此，选项C不正确。其余两个选项均无原文依据。

2.[B][定位]依据题干中的tapwater，pure，healthy等查找到第4段最终一句。

解析：原文该句中的filtercombination与选项B中的filtrationsystem所指相同，可见，选项B为本题答案。

3.[C][定位]依据题干中的cost，everyyear等查找到第1个小标题CostComparison部分的开头两段。

解析：原文该部分首段和第2段分别列举了使用饮用水过滤和净化系统的花费，其中将首段末句提到的lessthan$100eachyear和第2段末句提到的another$1000rso相加，就是一年的总花费，由此可见，一年的总费用为也许$200，可见，本题应选C。

4.[B][定位]依据题干中的disadvantages，bottledwater，plasticbottles等查找到第1个小标题CostComparison部分的.末段末句。

解析：原文该段指出了瓶装水的缺点，最终一句的environmentalimpact与选项B中的impactontheenvironment同义，因此本题答案为选项B。

5.[D][定位]依据题干中的companies，municipaltapwater等查找到第2个小标题HealthAspects部分的第2段。

解析：原文该段第2句中的getawaywith...表明虚假销售的公司都不会受到惩处，选项D中的escapepunishm