Rickets()a childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus


Rickets()a childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus

A.are

B.is

C.were

D.was

正确答案:is


Tag:英文医学论文写作 时间:2023-12-23 10:31:45