河北省邢台市高中英语unit3lifeinthefuture单元检测卷新人教版必修5

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1、Unit3Lifeinthefuture第i卷（选择题）i.阅读理解AForyearsscientistshavebeenworriedabouttheeffectsofairpollutionontheearthJsnaturalconditions.Somebelievetheairinsidemanyhousesmaybemoredangerousthantheairoutside.Itmaybeonehundredtimesworse.Indoorairpollutioncancauseapersontofeeltired,tosuffereyepain

2、,headacheandotherproblems.Somepollutants（污染物质）cancausebreathingdisorders,diseasesofbloodandevencancer.Mostscientistsagreethateverymodernhousehassomekindofindoorpollution.Peop1ehavepaidmoreattentiontotheproblemnow.Itissaidthatwhenbuildersbeganmakinghousesandoffices,theydidnotwasteener

3、gy.Todothistheybuiltbuildingsthatlimitedtheflowofairbetweeninsideandoutside.Theyalsobeganusingman-madebuildingmaterials.Thesematerialsarenowknowntoletoutharmfulgases.Astheproblembecamemoreserious,scientistsbegansearchingforawaytodealwithit.Theydiscoveredanaturalpollutioncontrolsystem

4、forbuildinggreenplants.Scientistsdonotreallyknowhowplantscontrolairpollution.Theybelievethataplant"sleavesabsorb（吸收；吸弓I）ortakeinthepollutants.Inexchangetheplantletsoutoxygenthroughitsleavesandsmallorganizationsonitsroots.Scientistssuggestthatal1buildingsshouldhaveonelargeplantorsever

5、alsmal1plantsinsideforeveryninesquaremetersofspace・Studiesofdifferentplantsshowthateachabsorbsdifferentchemicals.Sothemosteffective（有效的）waytocleantheairistousedifferentkindsofplants.Havinggreenplantsinsideyourhousecanmakeitprettierandmorehealthyplace.1.Generallyspeaking,indoorairpoll

6、utionmaybemoreharmfulthanthatoutsidebecause.A.indoorairpollutioncanoftenmakepeopleseriouslyillA.man-madebuildingmaterialsgiveoffdangerousgasesB.theremaybemoreharmfulgasesoutsidethebui1dingsC.theflowofairindoorsislimited,whichisveryharmful2.Somekindofindoorpollulloncanbefoundin.A.ever

7、ymodernhouseB・everyoldhouseC.allkindsofhousesD.allkindsofoffices3.Theindoorairpollutioniscausedby.A.thelimitoftheflowofairbetweeninsideandoutsideB・thebui1dingwaythatthebuilderswanttosaveenergyC・thebuildingthingsthataremadeofman-madematerialsD.theman-madebuildingmaterialsandthelimitof

8、air-flow4.Th