对于非圆形管,当量直径等于四倍的()除以润湿周边。
A.流通截面积;
B.表面积;
C.流动体积;
D.流通体积。
参考答案:A
按要求改写句子。
1. It is about four and a half hours from Fukang to Ununqi by bus. (对划线部分提问)
__________ from Fukang to Unmnqi by bus?
2. This new computer belongs to Daniel. (对划线部分提问)
__________ this new computer __________?
3. There were many students in this school last year. (改为否定句)
There ___________ many students in this school last year.
4. The kid is playing the piano at the school music club. (对划线部分提问)
___________ is the kid ___________ the piano?
5. More and more people speak Chinese in the world. (改为被动语态)
Chinese ____________ by more and more people in the world.
6. 他太累,在公交车上睡着了。 (完成译句)
He was ____________ tired ____________ he fell asleep on the bus.
关于对服务对象充满真挚的爱,表述错误的是()。
A、对服务对象的仁爱之心,不论其身份与地位如何
B、对于教师,即便对服务对象没有真挚的爱,也可以提供优质的服务
C、专业精神是一种神圣的精神,甚至是一种令人尊敬的人格
D、没有专业精很难完成每个专业的职业准则