【Alotofpeoplebelievethattheyshoulddrink8glassesor2litresofwateraday.Anewreportthinksd_____.Thereportsuggeststhatpeopledrinkwaterwhentheyfeelthirsty.Thereportgivesaguideforwateramount.Forexample,menshouldgetabo】

　　Alotofpeoplebelievethattheyshoulddrink8glassesor2litresofwateraday.Anewreportthinksd_____.Thereportsuggeststhatpeopledrinkwaterwhentheyfeelthirsty.

　　Thereportgivesaguideforwateramount.Forexample,menshouldgetabout3.7litresdailywhilew_____shouldgetabout2.3litresdaily.Butit'shardtoknowhowmanyglassesofwaterareenough,becausethefoodweeateverydaya_____containsalotofwaterweneed.

　　SomeexpertthinkthatthemisunderstandingmaybetracedtoanAmericanhealthreportin1945.Itsaidagoodamountofwaterformostadultswas2.5litresdaily,becauseanadultneedsonemilliliterofwaterforeachcalorieoff____thatheeats.Butthatwasonlypartofthereport.Italsos_____themostofthewaterweneediscontainedinthefoodweeat.

　　Manyexpertsbelievethatwateramountd_____onmanyfactors,suchasfoodin-take,personalhealth,weather,theenvironment,andevenhowoftenyouexercise.Toomuchortoolittlewaterish_____toyourhealth.