He was born the afternoon June 1st. [ ]
A. on; of
B. in; of
C. on; in
D. in; at
答案:A
古尔维奇方法中,炉膛黑度和什麽因素有关?
主统血的是()
A.心
B.脾
C.肝
D.肾
E.肺