麻花钻螺旋槽的作用是（）和（）。
参考答案：构成切削刃；排出切屑
混合性公共品的供给方式是（）。
A.市场机制
B.政府全额负责
C.以政府为主，市场为辅
D.市场为主，政府为辅
“Writers and publishers,（）rights were infringed(侵犯)，are expecting Baidu to take proper actions to solve the probleem,”Murong Xuecun,a famous online writer who joined in the campaign,told the Global Times yesterday.
A．whom
B．who
C． whose
D．which
