在完全竞争市场上,只要某生产者的产品售价稍微高于市场通行价格,其产品就不可能卖出去。
查看答案
在完全竞争市场上,行业市场的均衡价格是不会改变的。
A. 对
B. 错
Americans eat ________ vegetables per person today as they did in 1910.
A. twice
B. as twice as many
C. twice as many as
D. twice as many
Paper produced every year is _________ the world's production of vehicles.
A. the three weight of
B. three times the weight of
C. as three times heavy as
D. three times as heavier as
The big stone is _________ that one.
A. three times heavier
B. three times as heavy of
C. three times as heavier as
D. three times as heavy as
微信支付 
支付宝支付