2019届高考英语（译林版）一轮复习练习：必修41Unit1知能演练轻松闯关Word版含解析

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1、知能演练▲轻松闯关［幺练促学•弥补短板―课时练1阅读理解提速练I阅读理解A（2018-吉林长春七校高三第一次联考）JosephGoldbergerwasadoctorfortheUnitedStatesPublicHealthServiceandhewasanadvocateforscientificandsocialrecognitionofthelinksbetweenpovertyanddisease.In1914,GoldbergerwasaskedbyU.S.SurgeonGeneralRupertBluetostudyaskindiseasethatwaskil

2、lingthousandsofpeopleintheSouth.Thediseasewaspellagra（糙皮病）.GoldbergertraveledtothestateofMississippiwheremanypeoplesufferedfrompellagra・Hestudiedthevictimsandtheirfamilies.Mostofthepeoplelivedahardlife.Thedoctorcametobelievethatthediseasedidn'tpassonfromonetoanother,butwasinsteadrelatedtof

3、ood.HereceivedpermissionfromthestategovernortotestthisideaataprisoruPrisonerswereofferedpardonsiftheytookpart・Onegroupofprisonersreceivedtheirusualfoods,mostlycornproducts・Asecondgroupatemeat,freshvegetablesanddrankmilk.Membersofthefirstgroupdevelopedpellagra.Thesecondgroupdidnot.Butsomeme

4、dicalresearchersrefusedtoacceptGoldberger1sidea・FortheSouth,pellagrawasmorethansimplyamedicalproblem.Therewereotherthings,includingSouthernpride・SoGoldbergerhadhimselfinjected（注身寸）withbloodfromapersonwithpellagra.Healsotookliquidfromthenoseandthroatofapellagrapatientandputthemintohisownnos

5、eandthroat.Heevenswallowedpillsthatcontainedskinfrompellagrapatients.Anassistantalsotookpartintheexperiments.SodidGoldberger^swife.Noneofthemgotsick・JosephGoldbergerdiedofcancerin1929.Hewasfifty-fiveyearsold.Severalyearslater,researchersdiscoveredtheexactcauseofpellagra：alackofvitaminB3kno

6、wnasniacin・【解题导语】本文是一篇记叙文。文章介绍了美国医生JosephGoldberger研究糙皮病的患病原因的过程。JosephGoldberger医生的认真、牺牲精神令人感动。1•WhowereeasytargetsofpellagraaccordingtoGoldberger?A•PeopleinAmerica.B•Peopleputintoprison.C.Peoplehavingapoordiet.D.Peopletouchingpellagrapatients・C解析：细节理解题。根据第二段中的"Mostofthepeoplelivedahardli

7、fe...thediseasedidn'tpassonfromonetoanother,butwasinsteadrelatedtofood.再结合Goldberger在监狱进行的实验的內容可知，在JosephGoldberger看来，糙皮病和食物有关，而且患者大多生活条件差；再结合实验中提到的主要吃玉米制品的犯人最后患上了该病可知，不良的饮食容易导致人们患糙皮病。2.WhatdidGoldbergerwanttoprovebytheexperimentsmentionedinParagraph4?A.Pellag