除氧器上水温度高时应如何处理？（）
A、降低上水量
B、适当开大中变气E2204跨线
B、装置降低负荷
D、降低转化炉出口温度
参考答案：B
—Didn't you enjoy yourself at the party?
—_____, there was _____ at the party. [ ]
A. Yes, interesting nothing
B. Yes, nothing interesting
C. No, interesting nothing
D. No, nothing interesting
A．4：1
B．1：
C．2：1
D．：1
：1