题目内容
(请给出正确答案)
[单选题]
If you eat at a Las vegas casino that charges $12 for its all you can eat buffet, then the marginal cost of your third trip to the buffet is
A.zero
B.$4
C.$12
D.$24
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A.zero
B.$4
C.$12
D.$24
第1题
A、Don't depend on me to help you win.
B、Don't trust you will win.
C、Don't tell me you will win.
D、Don't assume that you will make it until you win the money.
第3题
A. help
B. to help
C. eat
D. to eat
第7题
A.What did you eat last night
B.What are you eating
C.What is Darning going to eat
第9题
—Which ______ , bread or rice?—______ will do.
A.had you better eat; Both
B.would you like; All
C.do you like most; None
D.would you rather have; Either
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