问题
单项选择题
当竞争企业生产的产量达到以下哪一点时，它的利润最大（）
A.边际成本等于总收益。
B.边际收益等于平均收益。
C.边际成本等于边际收益。
D.价格等于平均可变成本。
答案
参考答案：C
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当竞争企业生产的产量达到以下哪一点时，它的利润最大（）
A.边际成本等于总收益。
B.边际收益等于平均收益。
C.边际成本等于边际收益。
D.价格等于平均可变成本。
参考答案：C
| 从方框中所给的选项中选择正确句子补全以下对话。（填序号即可） | |
B: OH, I've been to many places, such as Xi'an, Hangzhou, Shanghai, Guilin and Tibet. A: 2__________ B: Really? What places have you been to? A: Very few. I've only been to Pingyao. B: 3__________ A: It's in Shanxi. It's a small place, but it has a long history. It's one of the oldest towns in China. There you can see a well-kept city wall. B: 4__________ I've just seen a lot of natural beauties, but not much ancient Chinese culture (文化) yet. A: 5 |