根据微观经济学的观点，边际技术替代率只能用一种特定的比值来表达。
参考答案：错
.—You are always full of _______.Can you tell me the secret?
—Taking plenty of exercise every day.
A．power
B．strength
C．force
D．energy
自动变速器液压泵齿轮与泵盖间的间隙不超过（）mm。
A.0.1
B.0.2
C.0.5
D.0.8
