The penguins are interesting. [ ]
A. kinds
B. kind.
C. kinds of
D. kind of
答案：D
---Are you taking morning exercise tomorrow?
---Sure. We do sports every morning_____ it rains
A．as long as
B．unless
C．as though
D．in case
规范收入分配秩序的途径有（）。
A.取缔非法收入
B.整顿不合理收入
C.调节过高收入
D.完善个人所得税制
E.科学管理
