The price system is a complex network co
题型:选择题
问题:
The price system is a complex network composed of the prices of all the products bought and sold in the economy as well as of a great number of services.
A.the one
B.that
C.ones
D.those
The price system is a complex network composed of the prices of all the products bought and sold in the economy as well as of a great number of services.
A.the one
B.that
C.ones
D.those