麻花钻的切削进给量，是指钻头每转一周沿进给方向转动的（），单位为mm/r。
参考答案：距离
可用于治疗抑郁症的药物是（）
A.氯氮平
B.五氟利多
C.奋乃静
D.阿米替林
E.碳酸锂
Only after ____ to go to school. [ ]
A. New China was founded; he was able
B. was New China founded; was he able
C. New China came into being; was he able
D. New China founded; he was able
