题目内容

听力原文：W We're running out of cups and saucers and there are a lot of customers who haven't been taken care of. Where have you been？
M I put a few loads through the dishwasher. We've got enough clean cups and saucers now.
W That's good news. Now can you take some cream over to the man at the end of the counter？
M Sure. I'll take some out there right away.
Where is this conversation taking place？

A. In a cooking class
B. \n a department store
C. In a grocery store
D. In a restaurant

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When one country's potential GDP is higher than its real GDP, this means ______.

A. its exports are higher than its imports.
B. inflation is getting worse.
C. there exists some unemployment.
D. None of the above.

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Decreasing returns to scale may arise from ______.

A. specialization of inputs.
B. duplication of plant and equipment at equal cost.
C. inefficiencies in management.
D. using inputs in unequal proportions.

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The price elasticity of demand curve faced by a competitive firm is ______.

A. 0.
B. -1.
C. -∞.
D. 1.

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For a profit-maximizing firm, the price level equals its marginal revenue (MR) when ______.

A. in an oligopolistic market.
B. in a monopolistic situation.
C. in a perfectly competitive market.
D. sales rise with the increase in price level.

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A. In a cooking class B. \n a department store C. In a grocery store D. In a restaurant

When one country's potential GDP is higher than its real GDP, this means ______.

Decreasing returns to scale may arise from ______.

The price elasticity of demand curve faced by a competitive firm is ______.

For a profit-maximizing firm, the price level equals its marginal revenue (MR) when ______.

A. In a cooking class
B. \n a department store
C. In a grocery store
D. In a restaurant