单项选择题
下列关于绝热过程的表述正确的是( )。
单项选择题 A．On TV or by radio.B．At home.C．On the job market.D．At a local institution of education.
单项选择题 A．Useful skills.B．Applied courses.C．Finding a job.D．Working close with the teachers.
单项选择题 A．At the back of the plane.B．In the smoking area.C．ES, by a window.D．ES, at the hack of the plane.
