--Fang yonggang was given___honour of being one of the 10 yearly figures in China.

--That’s really ___great encouragement to those serving in the army.            [ ]

A．the；a    

B．a；a    

C．the； the        

D．不填；the

根据恩格尔定律，随着家庭收入的增加，家庭总支出中用来购买食物的支出比例将会()。

A.下降 

B.上升 

C.不变 

D.变为60%左右