A:f(x)>g(x)
B:f(x)=g(x)
C:f(x)<g(x)
D:随x值变化而变化
洋务派认为“自强以练兵为要,练兵以制器为先。” 下列能够体现洋务派“自强”主张而创办的军事工业是( )
— How much does this camera _______, please?
— Four hundred dollars.