2009职称英语考前每日一练[理工类第60期-b级]

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1、人事考试教育网www.chinatat.com版权所有，转载请注明出处！2009职称英语考前每日一练［理工类第60期－Ｂ级］U.S.BlacksHard-hitbyCancer　　　Deathratesforcancerarefallingfor,allAmericans,butblackAmericansarestillmorelikelytodieofcancerthanwhites,theAmericanCancerSocietysaidMonday.　　Inaspecialreportoncancerandblacks,theorganizationsaidblacksareusu

2、allydiagnosedwithcancerlaterthanwhites,andtheyaremorelikelytodieofthedisease.　　Thiscouldbebecauseofunequal（不平等的）accesstomedicalcare,becauseblacksaremorelikelytohaveotherdiseasesaswell,andperhapsbecauseofdifferencesinthebiology（生物学）ofthecanceritself,thereportadded.　　"Ingeneral,blackAmericanshaveles

3、shopeofsurvivingfiveyearsafterdiagnosisthanwhitesforallcancersitesandallstagesofdiagnosis,"thereportsaid.　　"IndescribingcancerstatisticsforblackAmericans,thisreportrecognizesthatmanyofthedifferencesassociatedwithracemaybecausedbyunfairsocialandeconomicdifferencesandunequalaccesstomedicalcare."　　Th

4、ecancersocietysaidblacksshouldbeencouragedtogetcheck-ups（体格检查）earlier,whencancerismoretreatable,anditsaidmoreresearchisneededtoseeifbiologicaldifferencesplayarole.　　"Thenewstatisticsemphasizethecontinuingimportanceofwipingouttheseunfairsocialdifferencesthroughpublicpolicyandeducationefforts,"theor

5、ganizationsaidinastatement.　　Butitalsonotedadropincancerdeathrates.　　"CancerdeathratesinbothsexesforallsitescombinedhavedroppedgreatlyamongblackAmericanssince1992,ashaveincidencerates（发生率）,"saidthereport.　　　1　BlackAmericansaremorelikelytodieofcancerthan　　A　peopleinothercountries.　　B　whiteAmericans

6、.　　C　allotherAmericans.　　D　theirancestors.　　　2　WhichmayNOTbeareasonforhighercancerdeathratesamongUSblacks?　　A　Unequalaccesstomedicalcare.　　B　Greaterprobabilityofhavingotherdiseases.　　C　Differencesinthebiologyofthecancer.　　D　Earlydiagnosis.　　　3　Cancerismoretreatableifitisdetected　　A　inanearlystage.

7、　　B　inalatestage.　　C　allofasudden.　　D　togetherwithotherdiseases.　　　4　Publicpolicyandeducationeffortsmayhelptodoawaywith　　A　deathrates.　　B　variouscancers.　　C　unfairsocialdifferences.　　D　biologicaldifferences.　　　5