河北省邢台市高中英语Unit3Lifeinthefuture单元检测卷新人教版.docx

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1、Unit3Lifeinthefuture第I卷（选择题）I.阅读理解AForyearsscientistshavebeenworriedabouttheeffectsofairpollutionontheearth’snaturalconditions.Somebelievetheairinsidemanyhousesmaybemoredangerousthantheairoutside.Itmaybeonehundredtimesworse.Indoorairpollutioncancauseapersontofeeltired,tosuffereyepain,headache

2、andotherproblems.Somepollutants(污染物质)cancausebreathingdisorders,diseasesofbloodandevencancer.Mostscientistsagreethateverymodernhousehassomekindofindoorpollution.Peoplehavepaidmoreattentiontotheproblemnow.Itissaidthatwhenbuildersbeganmakinghousesandoffices,theydidnotwasteenergy.Todothistheybui

3、ltbuildingsthatlimitedtheflowofairbetweeninsideandoutside.Theyalsobeganusingman-madebuildingmaterials.Thesematerialsarenowknowntoletoutharmfulgases.Astheproblembecamemoreserious,scientistsbegansearchingforawaytodealwithit.Theydiscoveredanaturalpollutioncontrolsystemforbuildinggreenplants.Scie

4、ntistsdonotreallyknowhowplantscontrolairpollution.Theybelievethataplant’sleavesabsorb(吸收；吸引)ortakeinthepollutants.Inexchangetheplantletsoutoxygenthroughitsleavesandsmallorganizationsonitsroots.Scientistssuggestthatallbuildingsshouldhaveonelargeplantorseveralsmallplantsinsideforeveryninesquare

5、metersofspace.Studiesofdifferentplantsshowthateachabsorbsdifferentchemicals.Sothemosteffective(有效的)waytocleantheairistousedifferentkindsofplants.Havinggreenplantsinsideyourhousecanmakeitprettierandmorehealthyplace.1．Generallyspeaking,indoorairpollutionmaybemoreharmfulthanthatoutsidebecause___

6、____.A.indoorairpollutioncanoftenmakepeopleseriouslyillB.man-madebuildingmaterialsgiveoffdangerousgasesC.theremaybemoreharmfulgasesoutsidethebuildingsD.theflowofairindoorsislimited,whichisveryharmful2．Somekindofindoorpollutioncanbefoundin_______.A.everymodernhouseB.everyoldhouseC.allkindsofho

7、usesD.allkindsofoffices3．Theindoorairpollutioniscausedby_______.A.thelimitoftheflowofairbetweeninsideandoutsideB.thebuildingwaythatthebuilderswanttosaveenergyC.thebuildingthingsthataremadeofman-madematerialsD.theman-madebuildingmaterialsandth