股指期货合约到期时，交易所将按照交割结算价将投资者持有的未平仓合约进行现金交割，投资者将无法继续持有到期合约。
参考答案：对
— What can we learn from Lei Feng?
— We should not only think about , we should think about others as well.
A．yourself
B．ourselves
C．themselves
D．yourselves
当辅机启动前的检查工作完成，确认已具备投运条件后，方可送上辅机及相关设备的（）。
