工质在汽油机内的加热过程为( )。
A．定压过程
B．定温过程
C．定容过程
D．绝热过程
参考答案：C
望远镜视准轴
– Jenny, the teacher will ________ your mobile phone if you use it in class.
– Sorry, I won’t do that again.
A. take out B. take away C. take off
