下列何项不是妇女在病理上特有的疾病()
A.月经病
B.带下病
C.外感病
D.妊娠病
E.产后病
参考答案:C
They ran to the finishing line _______[ ]
A. at the same time
B. in the same time
C. at same time
D. at the same times
60Si2Mn的含碳量是()。
A.6%
B.0.06%
C.60%
D.0.6%