Tom bought this radio ____￡150. [ ]
A. with
B. on
C. for
D. over
答案：C
革兰染色后镜检衣原体的形态是（）。
A.始体
B.原体
C.内基小体
D.革兰阳性圆形体
E.革兰阴性圆形体
Auatar（阿凡达）is such _________ wonderful science fiction movie that I want to see it _________ second time．
A．a, a
B．a, the
C．／, the
D．／, a
