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【单选题】
在垄断竞争市场上，平均收益与边际收益的关系是：（）A.
平均收益大于边际收益
B.
平均收益小于边际收益
C.
平均收益等于边际收益
D.
无法确定
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】Who did you stay with?
【单选题】Who did you the wall yesterday?
A.
have painted
B.
have paint
C.
have to paint
D.
have painting
【单选题】现代汉民族共同语和方言的关系是
A.
互相排斥
B.
互相依存,方言从属与汉民族共同语
C.
方言是从民族共同语中分化出来的。
D.
随着有些地方广播影视方言节目的传播,方言会慢慢扩大影响,并逐渐流行
【单选题】— Can you tell me _____? — Two weeks ago. [ ]
A.
when you bought the toys
B.
who did you buy the toys for
C.
how much the toys cost
D.
how many toys did you buy
相关题目：
【单选题】Who did you the wall yesterday?
A.
have painted
B.
have paint
C.
have to paint
D.
have painting