填空题
A-socialist economy D-planned economy
B-capitalist economy E-controlled economy
C-collective economy F-rural economy
G-liberal economy O-economic balance
H-mixed economy P-economic fluctuation
I-political economics Q-economic depression
J-protectionism R-economic stability
K-primary sector S-economic policy
L-private sector T-economic recovery
M-public sector U-economic trend
N-economic channels V-economic situation