根据权证行权的基础资产或标的资产，可将权证分为股权类权证、债权类权证以及其他权证。( )
A．正确 B．错误 C．放弃
参考答案：A
即不参与构成人体细胞，又不为人体提供的营养物质是：（ ）。
A．蛋白质；
B．水；
C．维生素；
D．糖类。
— , Tony?
—She was born in Cambridge. [ ]
A. Where were you born
B. When were you born
C. Where was Mrs. Green born
D. When was Mrs. Green born
