能调节维生素A、C、E、K吸收与消耗的元素是()
A.钙
B.铁
C.硒
D.锌
E.锰
参考答案:C
It is reported that many a new house at present in the disaster area. [ ]
A. are being built
B. were being built
C. was being built
D. is being built
西周时期有哪几种分科().
A.食医
B.疾医
C.幼医
D.兽医
E.疡医