五加科植物的主要特征为（）
A、多为木本
B、茎常中空
C、伞形花序
D、子房下位
E、双悬果
参考答案：A, C, D
— Where can I get your new novel?
— I'm sorry, but it ____and will soon come out. [ ]
A. has printed
B. has been printing
C. is printed
D. is being printed
城镇职工补充医疗保险（二次报销）待遇期限？
