省行规定汇出国内二级授权金额是（）。 A.大于等于等值100万人民币 B.大于等于等

杂物电梯制动器试验时，轿厢载有额定载重量并以额定速度下行，操作制动器应能使电梯驱动主机停止运转.（)

—We should save some food for____who arrives late.

—There’s no need. _____is here. 

A．anyone;Everyone

B．everyone;Anyone

C．anyone;Anyone

D．everyone;Everyone

The little kid ________ to bed twenty minutes ago, but now he's running around the kitchen.[ ]

A. put

B. has put

C. was put

D. was putting

把接近饱和的硝酸铵溶液变为饱和溶液的方法为①                  

②                                   ③                         

我国古代就会（铁与硫酸铜溶液反应）请写出该反应发生的化学方程式：

                                该反应的基本反应类型           

（）能最好地描述全面质量管理的要点