Miss Taylor never wastes money on anything too expensive, even though (尽管)

she can _______ to. She has donated much of the money she saved to charities.

A．afford

B．spend

C．pay

D．cause

电机电流上限值是（），如果压缩机驱动电机电流达到这个数据微机将调整压缩机负荷，以保持压缩机电机低于这一设定数值的运行。

A.过载保护值

B.接地保护

C.过流保护

D.压力高保护