What department does Mr. Bernstein work in?
A. Secretarial
B. Accounting
C. Shipping
D. Personnel
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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
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.
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.
The price elasticity of demand curve faced by a competitive firm is ______.
A. 0.
B. -1.
C. -∞.
D. 1.