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时间:2020-04-11
《河北省邢台市高中英语Unit3Lifeinthefuture单元检测卷新人教版.docx》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
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
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