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【单选题】
It is suggested in the passage that ______.A.
Aids case is rare in highly advanced countries
B.
South Africa has the highest Aids rate in the world
C.
the press tried to report a phoney war
D.
minority young women are more often raped
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【简答题】幼儿注意分散的原因主要有哪些?
【单选题】Economists believe that oligopolists like American Airlines and the Kellogg Company:
A.
make price and output decisions without regard to what their competitors might do.
B.
have no perceptible influence on the market price, but choose output where marginal revenue equals the marginal cost of production.
C.
carefully watch and anticipate the moves of their competitors.
D.
have no control over market but produce output to the point where demand equal marginal cost.
【简答题】（）是构成矿床的基本*单位。
【简答题】No __________ engañarme: te conozco bien.
【简答题】、 、 是组成人体细胞的主要有机物，并且能为生命活动提供 。其中， 是最主要的供能物质； 是备用的能源物质， 主要用于人体的生长发育以及受损细胞的修复和更新。
【简答题】我们每天摄入的营养成分中，构成人体细胞的基本物质是______；人体最主要的供能物质是______；在一般情况下，通常作为储备的能源物质在体内储存的是______．
【简答题】No (intentar, tú) __________ engañarme.
【单选题】If oligopolists engage in collusion and successfully form a cartel, the market outcome is
A.
the same as if it were served by competitive firms.
B.
efficient because cooperation improves efficiency.
C.
the same as if it were served by a monopoly.
D.
known as a Nash equilibrium.
【单选题】Which is the following is true of games, in interactions between oligopolists?
A.
All games are cooperative in nature.
B.
Those in cooperative games are assumed to act independently.
C.
Communication is an important facet of noncooperative games.
D.
Most games are noncooperative games.
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