在立式铣床上铣封闭槽时大都选用（）。
A.键槽铣刀
B.立铣刀
C.双角铣刀
D.三面刃铣刀
参考答案：B
—____ was the score of the match?
—64 points to 48.[ ]
A. How many
B. How much
C. Which
D. What
怎样集中概括“三个代表”重要思想？
ore of the match?