直流电机的电刷对换向器的压力均有一定的要求，各电刷的压力之差不应超过±5％
参考答案：错
选择填空。
It's 5:00 now. Kate ______ up, but she often ______ up at 6:30. [ ]
A. is getting; gets
B. gets; is getting
C. is getting; gets
某被评估资产的年生产能力为90吨，参照资产的年生产能力为120吨，评估时点时参照资产的市场价格为20万元，求被评估资产的评估价值。
