下列操作中能降低己内酰胺萃取塔残液的含己的是()。
A、加大苯/粗油配比
B、将苯贮槽中含己高的苯水洗
C、提高转盘转速
D、将萃取温度从45℃降到35℃
参考答案:A, B, C
存款准备金率调整会影响商业银行可以自由运用的资金量,利率调整会影响商业银行的存款成本和贷款收益。( )
— Why are the Woods selling their belongings?
— They _____ to another city. [ ]
A. had moved
B. have moved
C. moved
D. are moving