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【单选题】
哺乳类骨骼肌三联体位于:( )A.
和暗带交界处
B.
位于Z线水平
C.
位于M线水平
D.
位于H带两侧
E.
位于暗带
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【单选题】How does monopolistic competition differ from perfect competition?
A.
In a market characterized by monopolistic competition, individual firms have some control over price.
B.
There are more sellers in a market characterized by monopolistic competition.
C.
In a perfectly competitive market, products are more dissimilar.
D.
It is easier for sellers to enter a market/industry characterized by monopolistic competition.
【单选题】Monopolistic competition differs from perfect competition primarily because______.
A.
in monopolistic competition, firms can differentiate their products
B.
in perfect competition, firms can differentiate their products
C.
in monopolistic competition, entry into the industry is blocked
D.
in monopolistic competition, there are relatively few barriers to entry
【单选题】Which of the following is true regarding the similarities and differences in monopolistic Competition and monopoly?
A.
The monopolist faces a downward-sloping demand curve while the monopolistic Competitor faces an perfect elastic demand curve.
B.
The monopolist makes economic profits in the long run while the monopolistic Competitor makes zero economic profits in the long run.
C.
Both the monopolist and the monopolistic competitor operate at the efficient Scale.
D.
The monopolist charges a price above marginal cost while the monopolistic Competitor charges a price equal to marginal cost.
【多选题】谈及曹操的《蒿里行》其艺术价值不凡,以下对该作品赏析正确的是( )。
A.
真实反映了汉末动乱的现实，堪称“汉末实录”。
B.
是曹操按旧题写的新辞，表达作者一统天下的抱负。
C.
该诗的背景起于曹操北征乌桓升胜利班师回朝有感而发。
D.
该诗在艺术气质方面具有“古直悲凉”的特点，需要细细体味才能理解。
E.
该浑厚质朴，不加雕琢；慷慨悲凉，富于同情心。 答案:AE
【简答题】平面交叉口有何交通特征?如何减少或消灭交叉口冲突点?
【简答题】该作品具有真正( )艺术 的特征 。
【单选题】One difference between perfect competition and monopolistic competition is that
A.
a perfectly competitive industry has fewer firms.
B.
in perfect competition, firms produce slightly differentiated products.
C.
monopolistic competition has barriers to entry.
D.
firms in monopolistic competition face a downward-sloping demand curve.
【单选题】An example of' product in monopolistic competition is ______ .
A.
corn
B.
electricity
C.
airline tickets
D.
coffee
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