皮皮学，免费搜题
登录
搜题
【单选题】
Why can't a firm in a perfectly competitive industry charge a price above the market-clearing price?A.
Government-imposed price ceilings prevent prices from being raised.
B.
Firms in a perfectly competitive industry face significant barriers to entry.
C.
Perfectly competitive firms are price searchers.
D.
Numerous competitors produce the same product and charge the market price.
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】关于消化道管壁结构的叙述,错误的是
A.
由内至外依次为粘膜、粘膜下层、肌层和外膜
B.
粘膜内有分泌消化液和粘液的腺体
C.
粘膜下层为疏松结缔组织组成
D.
外膜为薄层结缔组织
E.
食管上部和肛门周围为平滑肌
【简答题】Once many years ago, I pulled a family out of a burning car somewhere in Wyoming. Last week I received a telephone call from a woman who could not stop crying as she told me that one of my stories had...
【单选题】Many salesmen receive a _________of 10 percent on all sales made .
A.
committee
B.
commission
C.
commodity
D.
commerce
【简答题】[A]workers [B]salesmen [C]farmers [D]people
【简答题】消化管粘膜是由()、()和()组成。
【单选题】关于消化管壁的结构的说法，错误的是
A.
消化管壁除口腔外，由内向外分为粘膜、粘膜下层、肌层和外膜
B.
粘膜自内向外由上皮、固有层和粘膜肌层组成
C.
固有层内含有小消化腺
D.
肌层全是平滑肌
E.
胃、小肠的外膜为浆膜
相关题目：
参考解析：
知识点：
题目纠错 0
发布
