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2017职称英语《卫生A级》练习题及答案Highways Withtheincreaseinautoproduction,privateturnpike(收费公路)companiesunderlocalauthoritiesbegantospringup,andby1921therewere387,000milesofpavedroads.Atthattime,therewerenonationalstandardsforsize,weightrestrictions,orweightoftrucks.DuringtheWorldWarI,roadsthroughoutthecountrywerenearlydestroyedbytheweightoftrucks.WhenGeneralEisenhowerreturnedfromGermanyin1919,henoted,Theoldconvoy(车队)hadstartedmethinkingaboutgood,two-lanehighways,butGermany'sautobahnormotorwayhadmademeseethewisdomofbroaderribbonsacrosstheland. Theinterstatehighwaysystemwasfinallystartedin1956.Tobuildits44,000-milewebofhighways,bridges,andtunnels,hundredsofuniqueengineeringdesignsandsolutionshadtobeworkedout.Consideringthemanygeographicfeaturesofthecountrysuchasmountains,steepgrades,wetlands,rivers,desertsandplains,innovativedesignsofroadwaysbegantoweavetheirwayacrossthecountry,foreveralteringthefaceofAmerica. Today,theinterstatesystemlinkseverymajorcityintheU.S.,andtheU.S.withCanadaandMexico.Builtwithsafetyinmind,thehighwayshavewidelanesandshoulders,dividingmedians,orbarriers,longentryandexitlanes,curvesengineeredforsafeturns,andlimitedaccess.ThedeathrateonhighwaysishalfthatofallotherU.S.roads(0.86deathsper100millionmilescomparedto1.99deathsper100milliononallotherroads). ByopeningtheNorthAmericancontinent,highwayshaveenabledconsumergoodsand servicestoreachpeopleinremoteandruralareasofthecountry,spurredthegrowthofsuburbs,andprovidedpeoplewithgreateroptionsintermsofjobs,accesstoculturalprograms,healthcare,andotherbenefits.Aboveall,theinterstatesystemprovidesindividualswithwhattheycherishmost:personalfreedomofmobility. Theinterstatesystemhasbeenanessentialelementofthenation'seconomicgrowthintermsofshippingandjobcreation:morethan75percentofthenation'sfreightdeliveriesarrivebytruck;andmostproductsthatarrivebyrailorairuseinterstatesforthelastlegofthejourneybyvehicle. NotonlyhasthehighwaysystemaffectedtheAmericaneconomybyprovidingshippingroutes,butithasledtothegrowthofspin-offindustrieslikeservicestations,motels,restaurants,andshoppingcenters.Ithasallowedtherelocationofmanufacturingplantsandotherindustriesfromurbanareastoruralareas. 16.Nationalstandardsforpavedroadswereinplaceby1921. A.Right B.Wrong C.Notmentioned 17.EisenhowerfeltthatthebroadGermanmotorwayshadbetterqualitythanthehighwaysofAmerica. A.Right B.Wrong C.Notmentioned 18.Inthe1950stheAmericangovernmentfinallytookactiontobuildanationalhighwaysystem. A.Right B.Wrong C.Notmentioned 19.Manyoftheproblemspresentedbythecountry'sgeographicalfeaturesfoundsolutionsininnovativeengineeringprojects. A.Right B.Wrong C.Notmentioned 20.Withsafetyconsiderations,thedeathrateoninterstatehighwaysisstillhigherthanthatofotherAmericanroads. A.Right B.Wrong C.Notmentioned 21.TheinterstatehighwaysystemprovidesaccessbetweenmajormilitaryinstallationsinAmerica. A.Right B.Wrong C.Notmentioned 22.Servicestations,motelsandrestaurantspromotedthedevelopmentoftheinterstatehighwaysystem. A.Right B.Wrong C.Notmentioned 【参考答案】 16.B。题干:只有在2月我们需要关注孩子的口腔健康。文章第一句讲:“2月是国际儿童牙齿健康月,但是每天都需要重视孩子的口腔健康”。因此题干所述与文章信息不符,选B。 17.A。题干:牙齿和口腔疾病在大人和孩子中都非常常见。文章第一段中提到:“在国际口腔健康日发布了最为综合的研究结果,把口”因此,题干所述与原文相符,故选择A。 18.C。题干:男孩子因为牙疾病问题缺失的课程更多。文章并没有提及题干所述问题,所以选C。 19.A。题干:孩子的口腔问题可以发展成更为严重的问题。文章第三段讲:“这很重要,因为牙齿疾病可以影响孩子的自尊心,并导致吃饭、说话、听力等方面的问题。”题干所述与文章信息相符,因此选A。 20.B。题干:牙齿问题不可能避免。文章第四段讲:“但是很多时候,牙齿问题是可以避免的。

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