期货交易与期货期权交易的不同之处在于( )。
A．合约标的物不同
B．买卖双方的权利义务不同
C．保证金规定不同
D．市场风险不同
参考答案：A,B,C,D
激活APZ21240commandlog功能的命令是（）
改错题。
1. Although we are not in the same school,but we are still good friends._____
2. I would be such tired that I would want to go back home._____
3. He is so young to go to school._____
4. He got up too late that he missed the school bus this morning._____
5. Tom was ill so that he didn’t go to school._____
