宏观经济发展的总体目标包括( )。
A．经济增长
B．充分就业
C．通货膨胀和缓
D．物价稳定
E．国际收支平衡
参考答案：A,B,D,E
—I haven't got a digital camera.
—I think you should buy _______. It's useful for you. [ ]
A. one
B. this
C. that
D. it
最后产量恒值法则Y=W·d中，d的含义是______。
