生产要素的边际技术替代率递减是边际收入递规律造成的。
参考答案:对
给下面的汉字加偏旁组字,再组词。
勾____( ) 真____( ) 官____( )
____( ) ____( ) ____( )
Zheng says that the most dangerous thing about a credit card is____ a person isn’t always aware of the fact____ he’s spending money.
A.that; that
B.what; that
C.that; what
D.what; which