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1、1ReadingComprehensionPractice5Passage1Thesedaystyresareanintegralpartofyourcar’sperfmance(性能)modernprestigecarsaredesignedtoruntotheirmaximumcapabilitiesonlyinconjunctionwiththepropertypeoftyres.Thatswhyyoushouldneverdow
2、ngrade(降低等級(jí))fromthetyresthatwerefittedaspartofyourcar’siginalequipment.Sowhenchoosingahighperfmancetyrekeepinmindthesesimplefacts.1.Thepriceofatyreistheleastreliableguideastohowitwillperfmonyourcar.Thecostoftyresisoftena
3、ffectedbyproductionvolumesimptdutiesdevelopmenttransptcostssojustbecauseonetyrehappenstobemeexpensivethananotheritdoesntnecessarilymeanitsbetter.2.Withperfmancetyresthe“realwld“meanstheremustbeacompromisebetweentreadwear
4、(輪胎磨損度)outoutperfmance.3.Thereisnosuchthingas“thebestperfmancetyre“becausethereisntatyrethatsperfectfeverycareverysituation.Whenyoulookfyournewtyreslookfamanufacturerwithagoodrangeofperfmancetyres.4.Withperfmancetyresbig
5、gerisnotalwaysbetter.Thewidesttyreyoucanputonmaynotincreaseperfmance“toowide“mayslowthecardownincreasepetrolconsumptionadversely(不利地)affectthesuspensionyourcarshlinginthewet.5.Justbecauseperfmancetyres“l(fā)ookright“doesntme
6、antheyare.Itseemsobviousbutmanypeoplepaythepricefahastydecision.thatswhywevewrittenthisguidetohelpyoumaketherightchoiceofperfmancetyre.Onethatsperfectfyourneeds.1.Thispieceofwritingismostprobably_____.A.aprefacetoatextbo
7、okabouttyremanufacturingB.anintroductiontoanewtypeoftyresC.partofatyreadvertisementD.aboutthedifferentfeaturesofvariousoldfashionedperfmancetyres2.Accdingtothepassagethepriceofatyre_____.A.isalwaysdecidedbyitsqualityB.do
8、esnotalwaysagreewithitsperfmanceC.isonlyinfluencedbytransptcostsD.isneveraffectedbyimptduties3.Byfact2“Withperfmancetyres...outoutperfmance“theauthmeansthat_____.A.reallygoodperfmancetyreswillneverbewnoutB.youshouldnever
9、compromisewithtyremanufacturersC.infactyoucantexpectperfmancetyrestofunctionperfectlywellwithouttreadwearD.perfmancetyrescanonlybeusedwithcarsthathavethebesttreadwearoutstingperfmance4.WhichofthefollowingisNOTtrueaccding
10、totheauthA.Thehigherthepriceisthebetterthetyreis.B.Thebestperfmancetyredoesnotexist.C.Itisadvisablefacustomertoseekamanufacturerwithvarioustypesoftyres.D.Thewidthofatyredoesnotmeanmuch.5.Intheauthsviewifyouwanttobuyanewt
11、yre_____.A.youshouldalwayschoosethecheapesttypeB.youmustbuythewidesttype3A.undamagedbuildingsB.manmadestructuresC.effectofaftershocksD.rescueoperationsPassage3Therearegrowingenvironmentalconcernsabouttheairnearthedestroy
12、edWldTradeCenterinNewYkCity.ThetwohugebuildingsweredestroyedSeptembereleventhwhenterristscrashedtwopassengerplanesintothem.Somepeoplesaytheyaresufferinghealthproblemsasaresultoftheattacks.WhentheWldTradeCenterfellitlefta
13、boutonemilliontonsofcrushedconcreteglassdust.Somepeoplefearthatcancercausingsubstancesmayhavebeenreleasedintotheairfromtheresultingfiressmoke.Fexampleasbestos(石棉)otherharmfulsubstanceswereusedinbuildingtheWldTradeCenter.
14、SinceSeptembereleventhfederalstatelocalagencieshavebeentestingtheairinaroundtheruinedarea.Scientistsfromuniversitiesmedicalschoolsprivatecompaniesalsoaredoingtests.Theyarelookingfthepresence(存在)ofpollutants(污染物)intheairt
15、hatmightpresentahealthrisktothewkersremovingthewreckagetothepublic.Federalofficialssaynolongtermhealthriskshavebeendiscoveredsofar.Yetdoctssaymanyofthewkershavebeensufferingfromseverecoughchestpainnosebleedsbreathingprob
16、lems.Manywkerswithcontinuingproblemshavetakenlegalactionagainstthecity.Doctssayrescuewkersotherpeoplewhowkedintheareafalongperiodoftimearemostatriskfhealthproblems.Wkerswhodidnotwearprotectivecoveringsontheirfacesareatev
17、engreaterrisk.AboutftythouspeopleliveneartheruinsoftheWldTradeCenter.Someofthesepeoplewrythatopentruckscarryingtheruinsfromtheareaarestillspreadingpollutants.SomepeoplehavecriticizedNewYkCityscleanupefftsasmanybuildingsi
18、ntheareahavenotbeencleaned.theinfmationreleasedtothepublicfromairqualitytestsisoftenconfusingthefederalgovernmentshouldkeepclosewatchoncleanupeffts.11.Themajpointdiscussedinthepassageis___.A.theeffectoftheSeptember11atta
19、cksonNewYkCityB.healthproblempeoplesufferresultingfromtheSeptember11attacksC.theefftofthecleaningupofbuildingsintheareaD.theeffectonthehealthofthepeopleoftheruinedarea12.Manywkershavetakenlegalactionagainstthecitybecause
20、___.A.theyaresufferingfromnosebleedsB.theyhavecontinuinghealthproblemsC.theyarecoughingseverelyD.theyhavebreathingproblems13.WhoarehavinggreaterriskofhealthproblemsaccdingtothepassageA.Thepeoplewholiveneartheruins.B.Thew
21、kerswhowkedintheareaflongtime.C.Thescientistswhoaretestingtheair.D.Thewkerswhodidnotwearprotectivecoverings.14.Thefederalgovernmenthasbeencriticizedfthefollowingreasonsexcept_____.A.cleanupefftsB.airqualitytestsC.unclean
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