一个NODEB有几条NCP？（）A.无数条 B.255条 C.16条 D.1条

Please speak _______ to those children with hearing problems so that they can read your

lips more easily and understand better. [ ]

A. honestly

B. politely

C. quietly

D. slowly

_______ the injures in the face and hands, he broke both legs while playing the final game.

A．Except

B．Beside

C．Apart from

D．In addition

通过半年的学习，我们已经能书写并读过许多化学式和化学方程式。回忆你在书写和读时的情景，你可能知道：化学式的组成中除了有字母外还有________；化学方程式中的“＋”读作________。

当驾驶员踏下制动踏板开始制动时，轮胎与路面之间即出现路面制动力。路面制动力越大，停车就越快，制动距离就越长。（）

简述空重车自动调整装置的作用？