河北邢台市高中英语Unit3Lifeinthefuture单元检测卷5Word文件下载.docx

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

MetroPocketGuide

Metrorail（地铁）

Eachpassengerneedsafarecardtoenterandgoout.Uptotwochildrenunderfivemaytravelfreewithapayingcustomer.

Farecardmachineareineverystation,Bringsmallbillsbecausetherearenochangemachinesinthestationandfarecardmachineonlyprovideupto$5inchange.

GetoneofunlimitedMetrorailrideswithaOneDayPass.BuyitfromafarecardmachineinMetrostations.Useitafter9:

30a.m.untilclosingonweekdays,andalldayonweekendsandholidays.

HoursofService

Open:

5a.m.Mon-Fri7a.m.Sat—Sun.

ClosemidnightSun—Thur.3.a.m.Fri—Sat.nights

Lasttraintimesvary.Toavoidmissingthelasttrain,pleasecheckthelasttraintimepostedinthestation.

Metrobus

Whenpayingwithexactchange,thefareis$1.35.WhenpayingwithasmatTripCARDthefareis$1.25

FaresfortheSenior/disabledcustomers

Seniorcitizens65andolderanddisabledcustomersmayrideforhalftheregularfare.OnMetrorailandMetrobus,useasenior/disabledfarecardorSmarTripcard.Formoreinformationaboutbuyingsenior/disabledfarecards,farecardorsmartripcardandpasses,pleasevisitMetroOpenDorcall202-637-7000and202-637-8000.

SeniorcitizensanddisabledcustomerscangetfreeguideonhowtouseproperMetrobusandMetrorailservicesbycalling202-962-1100

Traveltips

.Avoidridingduringweekdayrushperiods–before9:

30a.m.andbetween4and6p.m.

.Ifyoulosesomethingonabusortrainorinastation,pleasecallLost&

Foundat202-962-1195.

5．Whatshouldyouknowaboutfarecardmachine?

A.Theystartsellingticketsat9:

30a.m.

B.Theyareconnectedtochangemachines.

C.Theyofferspecialservicetotheelderly.

D.Theymakechangefornomorethan$5.

6．AtwhattimedoesMetrorailstopserviceonSaturday?

A.AtmidnightB.at3a.m.C.at5amD.at7p.m.

7．Whatisgoodaboutasmartripcard?

A.ItisconvenientforoldpeopleB.Itsavesmoneyforitsusers

C.itcanbeboughtatanytimeD.itissoldontheInternet

8．WhichnumbershouldyoucallifyoulosesomethingontheMetro?

A.202-962-1195B.202-962-1100C.202-673-7000D.202-673-