能够区别海带与衣藻的是[ ]
A．是否有根和叶
B．是否有叶绿素
C．多细胞还是单细胞
D．营养方式
答案：C
---They say there is a new restaurant nearby.
---Yes, and it__________ for no more than a week.
A．has been open
B．opened
C．has been opened
D．was opened
明朝第二位皇帝是谁？他死后葬于何处？
