﹣a﹣(﹣2a)的计算结果是 [ ]
A.3a
B.﹣3a
C.a
D.﹣a
答案:C
Not far from the club there was a garden, ____ owner seated in it playing bridge with his children every afternoon.
A.whose
B.its
C.which
D.that
总结、整理QC小组活动成果报告,需要注意哪些问题?