—Isn’t it getting dark earlier tonight?

—I think so.I see_________is on already.

A．the street light

B．the light of the street

C．the street’s light

D．the light street

紧固气缸盖的各个螺栓的轴线，应与各个相应的安装表面垂直，允许的不垂直度就螺栓的长度而言不得超过（）毫米。

A．0.15～0.2

B．0.25～0.3

C．0.3～0.35

D．0.35～0.4