农业对经济的贡献不包括（）。
A.产品贡献
B.市场贡献
C.要素贡献
D.外汇贡献
E.都不正确
参考答案：E
.Most of the problems the government had been paying much attention to __ at last.
A．solve
B．being solved
C．were solved
D．are solved
612÷3，商的首位在（ ）位上。
