河北邢台市高中英语Unit3Lifeinthefuture单元检测卷5Word文件下载.docx
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Indoorairpollutioncancauseapersontofeeltired,tosuffereyepain,headacheandotherproblems.Somepollutants(污染物质)cancausebreathingdisorders,diseasesofbloodandevencancer.Mostscientistsagreethateverymodernhousehassomekindofindoorpollution.
Peoplehavepaidmoreattentiontotheproblemnow.Itissaidthatwhenbuildersbeganmakinghousesandoffices,theydidnotwasteenergy.Todothistheybuiltbuildingsthatlimitedtheflowofairbetweeninsideandoutside.Theyalsobeganusingman-madebuildingmaterials.Thesematerialsarenowknowntoletoutharmfulgases.
Astheproblembecamemoreserious,scientistsbegansearchingforawaytodealwithit.Theydiscoveredanaturalpollutioncontrolsystemforbuildinggreenplants.Scientistsdonotreallyknowhowplantscontrolairpollution.Theybelievethataplant’sleavesabsorb(吸收;
吸引)ortakeinthepollutants.Inexchangetheplantletsoutoxygenthroughitsleavesandsmallorganizationsonitsroots.Scientistssuggestthatallbuildingsshouldhaveonelargeplantorseveralsmallplantsinsideforeveryninesquaremetersofspace.Studiesofdifferentplantsshowthateachabsorbsdifferentchemicals.Sothemosteffective(有效的)waytocleantheairistousedifferentkindsofplants.Havinggreenplantsinsideyourhousecanmakeitprettierandmorehealthyplace.
1.Generallyspeaking,indoorairpollutionmaybemoreharmfulthanthatoutsidebecause_______.
A.indoorairpollutioncanoftenmakepeopleseriouslyill
B.man-madebuildingmaterialsgiveoffdangerousgases
C.theremaybemoreharmfulgasesoutsidethebuildings
D.theflowofairindoorsislimited,whichisveryharmful
2.Somekindofindoorpollutioncanbefoundin_______.
A.everymodernhouseB.everyoldhouse
C.allkindsofhousesD.allkindsofoffices
3.Theindoorairpollutioniscausedby_______.
A.thelimitoftheflowofairbetweeninsideandoutside
B.thebuildingwaythatthebuilderswanttosaveenergy
C.thebuildingthingsthataremadeofman-madematerials
D.theman-madebuildingmaterialsandthelimitofair-flow
4.Thereasonwhyweshouldusedifferentkindsofplantstocleantheairisthat_______.
A.plantscanletoutallkindsofpollutantsindoors
B.plantsmaytakeinmoreoxygenwhichpeopleneed
C.plantscanabsorbsomekindsofharmfulindoorchemicals
D.plantscanmakeourhousesprettierandmorehealthy
B
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