问题
多项选择题
在日常经济活动中常见的市场竞争类型有（）。
A、有差别的寡头垄断市场
B、完全竞争市场
C、无差别的寡头垄断市场
D、完全垄断市场
答案
参考答案：A, C
搜题请搜索小程序“爱下问搜题”
在日常经济活动中常见的市场竞争类型有（）。
A、有差别的寡头垄断市场
B、完全竞争市场
C、无差别的寡头垄断市场
D、完全垄断市场
参考答案：A, C
| 完形填空。 | ||||
| A long time 1 people thought the sun went round the earth. In some countries people even said that the sun was a god (神). They thought that he drove across the sky every day 2 a golden horse. Now they know the earth goes round the sun. It 3 the earth a year to go all the way round the sun. Today men even know 4 it is for the earth to go round the sun. They 5 us that the earth travels over a thousand miles a minute on its way round the sun. The sun is really a star. It's 6 bigger than the earth and it is very hot. Some people have been to the moon. 7 no one can 8 to the sun. It's 9 hot for people to live anywhere near it. The sun is three hundred 10 times heavier than the earth and more than a million times larger. | ||||
|