Many doctors ___ upon a diet which contains a lot of fat.A.frownB.crownC.drownD.brown

A healthy diet should contain all the necessary______.

Nearly all the doctors______upon a diet which contains a lot of fat and few vegetables.A．d

_________(59)A.onto B.aroundC.into D.upon

_________(52)A.towards B.againstC.upon D.through

_________(54)A.recovery B.diet C.drug D.diagnosis

54._________A.without B.by C.from D.upon