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　　【Inrecentyearstherehasbeenasteadyattackonsaltfromthedoctors:saltisbadforyou—regardlessofyourhealth.Politiciansalsogotaboard.“Thereisadirectrelationship”USCongressmanNealSmithsaid“betweentheamoun】

　　Inrecentyearstherehasbeenasteadyattackonsaltfromthedoctors:saltisbadforyou—regardlessofyourhealth.Politiciansalsogotaboard.“Thereisadirectrelationship”USCongressmanNealSmithsaid“betweentheamountofsodium(钠)apersonconsumesandheartdiseasecirculatory(循环的)disordersstrokeandevenearlydeath.”

　　Frighteningiftrue!Butmanydoctorsandmedicalresearchersarenowbeginningtofeelthesaltscarehasgonetoofar.“Alltheseremarksandcryaboutsaltisunnecessary”Dr.Dustaninsists.“Formostofusitprobablydoesnotmakemuchdifferencehowmuchsaltweeat.”Dustan’smostrecentshort-termstudyof150peopleshowedthatthosewithnormalbloodpressureexperiencednochangeatallwhenplacedonanextremelylow-saltdietorlaterwhensaltwasreintroduced.Ofthehypertensive(高血压的)patientshoweverhalfofthoseonthelow-saltdietdidexperienceadropinbloodpressurewhichreturnedtopreviouslevelwhensaltwasreintroduced.

　　“Anadequatetosomewhatexcessive(过度的)saltintakehasprobablysavedmanymorelivesthanithascostinthegeneralpopulation”saidDr.JohnHLaragh.“Soanopinionthatthewholepopulationshouldavoidsaltmakesnosense.”

　　Medicalexpertsagreethateveryoneshouldpracticereasonable“moderation”(节制)insaltconsumption.Fortheaveragepersonamoderateamountmightrunfromfourtotengramsadayorroughly1/2to1/3teaspoons.Onetotwogramsofsaltwouldcomefromthenaturalsodiuminfood.Therestwouldbeaddedinprocessingpreparationoratthetable.

　　“Naisnotyourenemy”saysComek’sDr.Laragh.“SaltistheNo.1naturalcomponentofallhumantissueandtheideathatyoudonotneeditiswrong.Unlessyourdoctorhasproventhatyouhaveasalt-relatedhealthproblemthereisnoreasontogiveitup.”

　　1.Whyissaltattackedbydoctorsandpoliticians?

　　A.It’sunnecessary.

　　B.Itdoesnogoodtohumanhealth.

　　C.Itishatedbymostpeople.

　　D.Itwillalwaysleadtoheartdiseaseandcirculatorydisorders.

　　2.FromDr.Dustan’sstudyinParagraph2wecaninferthat_____.

　　A．alow-saltdietmaybegoodtosomepatients

　　B．theamountofsaltintakehasnothingtodowithone’sbloodpressure

　　C．thereductionofsa

1回答

2020-05-24 17:53

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马会玲

　　1.B

　　2.A

　　3.B

　　4.C

　　5.A

　　分析：

　　本文主要在讲述对于盐的摄入量的恐惧，不可过多，但不吃也是不行的，合理的摄入，一天四到五克

　　1.B细节理解题。根据第一段提到Inrecentyearstherehasbeenasteadyattackonsaltfromthedoctors:saltisbadforyou—regardlessofyourhealth.可知得知盐对健康没有任何的好处，故选B项。

　　2.A细节推断题。根据第二段可知halfofthoseonthelow-saltdietdidexperienceadropinbloodpressurewhichreturnedtopreviouslevelwhensaltwasreintroduced.低盐饮食使血压下降，回归正常的血压，故选A项。

　　3.B细节推断题。根据第三段提到“Soanopinionthatthewholepopulationshouldavoidsaltmakesnosense不吃盐的理论也是没有任何意义的，故B项。

　　4.C细节理解题。根据第四段提到Medicalexpertsagreethateveryoneshouldpracticereasonable“moderation”(节制)insaltconsumption.Fortheaveragepersonamoderateamountmightrunfromfourtotengramsadayorroughly1/2to1/3teaspoons合理控制盐的摄入，一天四到五克，大约是二分之一或三分之一茶匙，故选C项。

　　5.A主旨大意。本文主要在讲述对于盐的摄入量的恐惧，不可过多，但不吃也是不行的，合理的摄入，一天四到五克，故选A项。

　　考点：

　　科普类阅读。

2020-05-24 17:56:46

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