放射治疗常用的放射源中，不包括以下哪一项（）
A.钴60
B.磷32
C.碘131
D.中子
E.铀235
参考答案：E
—Do you think I should accept his invitation, Jim?
—________If I were you, I certainly would.
A．None of your business.
B．It depends.
C．Why not?
D．I don’t think so.
厄里根那的“小宇宙”理论对于世俗艺术的发展有何重大意义？
