放电率依据IEC标准，有（）小时率及分钟率。
A.50、7、2
B.40、8，2
C.10、3、1
D.30、9、6
参考答案：C
spindle (纺锤体)
You should ________ these bad habits. [ ]
A. get yourself rid of
B. rid yourself of
C. get rid of yourself with
D. rid of yourself with
