Thewaywecookisimportant．Inmanycountries，thetwosourcesofheatusedforcookingarenat-uralgasorelectricstoves．TheWorldHealthOrganization（WHO）warnsthatmillionsofpeoplearedyingeveryyearfromindoorairpollution．T|小学英语问答-字典翻译问答网

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Thewaywecookisimportant．Inmanycountries，thetwosourcesofheatusedforcookingarenat-uralgasorelectricstoves．TheWorldHealthOrganization（WHO）warnsthatmillionsofpeoplearedyingeveryyearfromindoorairpollution．TheWHOfindsthatpoorcooking，heatingandlightingtechnologiesarekillingmillionsofpeopleeachyear．

Indoorairpollutionresultsfromtheuseofdangerousfuelsandcookstovesinthehome．WHOof-ficialssaynearlythreebillionpeopleareunabletousecleanfuelsandtechnologiesforcooking，heat-ingandlighting．Andtheysaymorethansevenmillionpeoplediefromexposuretoindoororoutdoorairpollutioneachyear．Ofthatnumber，theWHOsaysabout4.3millionpeoplediefromhouseholdairpollutiongivenoffbysimplebiomass（生物燃料）andcoalstoves．

Thesefindingsshowthatthehomeuseofpoisonousfuelsistoblameformanyofthesedeaths．

Thesefuelsinrludewood，coal，animalwasteandsoon．CarlosDoraisCoordinatorintheWHO'sDe-partmentofPublicHealth，EnvironmentalandSocialDeterminantsofHealth．Hesayspeopleshould notuseunprocessedcoalandkerosene（煤油）fuelindoors．Hesaysopeningawindowordoortoletouttheharmfulairwillnotcorrectthesituation．Itwillonlypollutetheoutdoors．"Newtechnologies andcleanfuelscanridpeopleofthisproblem．"

TheUnitedNationsfoundthatmorethan95percentoffamiliesinsuh-SaharanAfricadependon solidfuelsforcooking．ItsayshugepopulationsinIndia，ChinaandLatinAmericancountries，suchasCuatemalaandPeru，arealsoatrisk．

NigelBruceisaprofessorofPublicHealthattheUniversityofLiverpool．Hesaysresearchersaredevelopinggoodstovesandotherequipmenttobumfuelsinamoreefficientway．"Therearealreadymanytechnologiesforcleanfuelsavailablenow．Aneffectiveandreasonablylow-costethanol（酒精）stovethatismadebyDometic（aSweden-basedcompany）isnowbeingtestedout．Anotherinterestingdevelopmentiselectricinductionstoves．"InIndia，youcanbuyaninduction（屯磁）stoveforabout8．AndinAfricayoucanbuyasolarlampforlessthan1．

25．AccordingtoCarlosDora，whatisthebestsolutiontoindoorairpollution？___

A．Peopleshoulduseaneffectiveaircleaner．

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　　25．B 文章结构题．第二段例举了一系列的数字来说明室内空气污染的严重性，故选B．　　26．B 细节理解题．根据第三段最后一句Newtechnologiesandcleanfuelscanridpeopleofthisproblem．可以得出本题答案B．　　27．A 推理判断题．根据第四段TheUnitedNationsfoundthatmorethan95percentoffamiliesinsub-SaharanAfricadependonsolidfuelsforcooking．ItsayshugepopulationsinIndia，ChinaandLatinAmericancountries，suchasGuatemalaandPeru，arealsoatrisk．本段所提及的国家均属于发展中国家，因此可以得出室内空气污染主要集中于发展中国家，故选A．　　28．D．主旨大意题．根据第一段TheWorldHealthOrganization（WHO）warnsthatmillionsofpeoplearedyingeveryyearfromindoorairpollution．TheWHOfindsthatpoorcooking，heatingandlightingtechnologiesarekillingmillionsofpeopleeachyear．以及科普文结构可以得出本句为文章的主题句，故选D．