影响连铸机生产率有哪些因素？
参考答案：
1.提高连铸机的作业率；
2.提高浇注速度；
3.提高连浇炉数；
4.减少两浇次之间间隔时间。
客户在认购基金时，若客户的风险承受能力与基金的风险等级不匹配，而认购交易已经成功打印凭证，客户要求终止该笔认购，柜员应做（）.
A.撤单
B.取消
C.认购回退
D.赎回
So _______that in spite of the rare disease, he managed to live as rich and full a life as we do.
A．optimistic and determined was Marty
B．was Marty optimistic and determined
C．Marty was optimistic and determined
D．optimistic and determined Marty was
