文档介绍：公共英语等级考试(PETS)oofar."Allthishueandcryabouteatingsaltisunnecessary,"."Formostofusitprobablydoesn'tmakemuchdiffereneehowmuchsaltweeat."Dustan'mostrecentshort-termstudyof150peopleshowedthatthosewithnormalbloodpressureexperieneed nochangeatallwhenplacedonanextremelylow-saltdiet,,however,halfofthoseonthelow-saltdietdidexperieneeadropinbloodpressure,whichreturnedtoitspreviouslevelwhensaltwasreintroduced."Anadequatetosomewhatexcessivesaltintakehasprobablysavedmanymorelivesthanithascostinthegeneralpopulation,”."mendationthatthewholepopulationshouldavoidsaltmakesnosense."Medicalexpertsagreethateveryoneshouldpracticereasonable"moderation",amoderateamountmightrunfromfourtotengramsaday,orroughly1/2to1/,preparation ,liverorheartproblemsmayhavetolimitdietarysalt,"lowsalt"exponent,,"wedonotknowwhetherincreasedsodiumconsumptioncauseshypertension."Infact,thereisgrowingscientificevideneethatotherfactorsmaybeinvoIved:deficienciesincalcium,potassium,perhaps magnesium; obesity(muchmoredangerousthansodium);icpredisposition; stress."Itisnotyourenemy,"." ofallhumantissue,andtheideathatyoudon'-relatedhealthproblem,thereisnoreasontogiveitup."Accordingtosomedoctorsandpoliticians,theamountofsaltconsumed[A] exhibitsasanaggravating factortopeopleinpoorhealth.[B]curesdiseasessuchasstrokeandcirculatorydisorders.[C]correlates highlywithsomediseases.[D]isirrelevanttopeople 'sstudywecaninferthat[A]alow-saltdietmaybeprescribedforsomepeople.[B]theamountofsaltintakehasnothingtodowithone'sbloodpressure.[C]thereductionofsaltintakecancureahypertensivepatient.[D]anextremelylow-saltdietmake