蒋百里在其著作《国防论》中完善了（）的战略，提出了抗战必胜思想。
A.阵地战
B.闪电战
C.持久战
D.运动战
参考答案：C
—Do you know if Linda is willing to take charge of the program
— (), does it
A. It takes no time
B. It counts for nothing
C. It doesn't hurt to ask
D. It doesn't make sense
人体能量消耗主要有哪几个方面？
