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