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?