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ID:35374019
大小:114.38 KB
页数:11页
时间:2019-03-24
《河北省邢台市高中英语unit3lifeinthefuture单元检测卷新人教版必修5》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
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
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