车辆轴承正常运行时,内部因运动摩擦和震动产生热量,产生了轴承的()
A.故障热
B.运转热
C.故障热和运转热
D.传导热
参考答案:B
4(x-2)+10=2(x-2)+5.
Mum, I'm feeling even ________ than yesterday.[ ]
A. bad
B. worse
C. worst
D. the worst