根据生产的火灾危险性分类,闪点为()度液体的生产属于甲类生产。
A、小于28
B、大于28,小于60
C、在于或等于60
参考答案:A
— I am interested in that laptop. It seems to be the latest style.What do you charge for it?
— $8000.
— ________, but I can't afford it. [ ]
A. It's worth that
B. It's really nice
C. Please lower the price
D. That's too dear
下列说法正确的是( )
A.物体运动的加速度为零时,速度一定为零
B.物体运动的加速度减小,速度可能增大
C.物体运动的加速度不为零,速度一定不变
D.物体运动的加速度越来越小,速度变化可能越来越快