在对民用调压箱进行停气操作时，关闭调压器中压进口阀门后，再（）低压出口阀门。
A、快速开启
B、缓慢开启
C、半开启
D、关闭
参考答案：D
根据上海市场A股等品种的清算与交收程序，交收系统自动将结算参与人T日应收金额贷记其备付金账户，或将应付金额从其备付金账户中扣除。( )
—Thank you very much for helping me with my English homework.
—______.[ ]
A. You are welcome
B. Don't thank me
C. That's right
D. That's good
