英語六級閱讀模擬試題及詳解答案

英語六級閱讀模擬試題及詳解答案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]依據(jù)題干中的pastdecades和bottleddrinkingwater查找到第2段。

解析：選項D是對原文該段第2句中的fewchoices的近義改寫，故為本題答案。該段最終一句提到了獵取瓶裝水的途徑，這些途徑都很便利，因此，選項C不正確。其余兩個選項均無原文依據(jù)。

2.[B][定位]依據(jù)題干中的tapwater，pure，healthy等查找到第4段最終一句。

解析：原文該句中的filtercombination與選項B中的filtrationsystem所指相同，可見，選項B為本題答案。

3.[C][定位]依據(jù)題干中的cost，everyyear等查找到第1個小標(biāo)題CostComparison部分的開頭兩段。

解析：原文該部分首段和第2段分別列舉了使用飲用水過濾和凈化系統(tǒng)的花費，其中將首段末句提到的lessthan$100eachyear和第2段末句提到的another$1000rso相加，就是一年的總花費，由此可見，一年的總費用為也許$200，可見，本題應(yīng)選C。

4.[B][定位]依據(jù)題干中的disadvantages，bottledwater，plasticbottles等查找到第1個小標(biāo)題CostComparison部分的.末段末句。

解析：原文該段指出了瓶裝水的缺點，最終一句的environmentalimpact與選項B中的impactontheenvironment同義，因此本題答案為選項B。

5.[D][定位]依據(jù)題干中的companies，municipaltapwater等查找到第2個小標(biāo)題HealthAspects部分的第2段。

解析：原文該段第2句中的getawaywith...表明虛假銷售的公司都不會受到懲處，選項D中的escapepunishm