选择题:某消费者逐渐增加某种商品的消费量,直到达到了效用最大化,在这个过程中,该商品的( )

题目内容:
某消费者逐渐增加某种商品的消费量,直到达到了效用最大化,在这个过程中,该商品的( )

选择一项:
A. 总效用不断增加,边际效用不断下降
B. 总效用和边际效用不断下降
C. 总效用不断下降,边际效用不断增加
D. 总效用和边际效用不断增加
参考答案:

4.党内政治文化,以中华优秀传统文化为指导、以革命文化为源头、以社会主义先进文化为主体。( )

4.党内政治文化,以中华优秀传统文化为指导、以革命文化为源头、以社会主义先进文化为主体。( )选择一项:对错

查看答案

When the couple was planning to buy a house, they

When the couple was planning to buy a house, they had to ______ every penny. ( )

查看答案

There were several wet __________ on the wall.(本题3

There were several wet __________ on the wall.(本题3.5分) A、 parts B、 decreases C

查看答案

He could do nothing but ____ for the bus _____. (

He could do nothing but ____ for the bus _____. ( )(本题2.5分) A、 wait … to come B

查看答案

No sooner____ to bed than he heard a knock at the

No sooner____ to bed than he heard a knock at the door. ( )(本题2.5分) A、 had he go

查看答案