— He is a very hard-working student．

—       ．As far as I know, he often burns the midnight oil．

A．You can say that again

B．Absolutely not

C．Heaven knows

D．No way

摇台鼓轮和摇台座组成的滚动导轨副及摇台蜗轮副。滚动导轨副的精度其径向间隙最大不允许超过（）mm，当用（）mm的塞尺检查，不应插人。

A.0.01

B.0.02

C.0.03

D.0.04