题目内容
（请给出正确答案）
A.prices("sticker") // 等于 1
B.(prices + ("shoes" -＞ 30))("shoes")// 等于 30
C.(prices - "pen")("book") // 等于 5
D.prices("sock") // 等于 0
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更多“对于val prices = Map（"book" -＞ 5…”相关的问题
第1题
A．Front window, left-hand side.
B．Front window, right-hand side.
C．Back window, left-hand side.
D．Back window, right-hand side.
第2题
A．rigorous
B．stern
C．obstinate
D．harsh
第3题
M: Well, you've come to the right place. Let me ask you some questions. First, are you an employee here?
W: Yes, I am.
M: Have you ever purchased an employee parking sticker before?
W: No, I haven't. This is the first time I've gotten one.
M: Well, do you have your employee's card with you?
W: Yes, I do.
M: And how are you going to pay for the sacker?
W: By check.
M: That's fine. All right...all you need to do is fill out this form. and write your check, give me the form. and the check, and then show me your employee's card.
W: Do I have to bring my car over here so you can put the sticker on it?
M: No, that's unnecessary. I'll give you the sticker, and you can put it on your car. Just be sure to put it in the right place.
W: Where do I need to put it?
M: On the front window of the car, on the right-hand side... no, wait a minute, not on the right-hand side... it should be on the left-hand side.
W: Front window, left side. OK, I've got it.
M: Now, do you know about the location of the parking lot?
W: Yes, just under the building.
M: That's exactly right. Now, let me get that sticker for you.
What does the woman want to get?
A．A driver's license.
B．A parking lot.
C．A parking sticker.
D．A new car.
第4题
Since then, other rich American universities have unveiled【5】initiatives. Yale, Harvard's bitterest【6】, revealed its plans on January 14th. Students whose families make【7】than $60,000 a year will pay nothing at all. Families earning up to $ 200,000 a year will have to pay an average of 10% of their incomes. The university will【8】its financial- assistance budget by 43%, to over $ 80m.
Harvard will have a similar arrangement for families making up to $180,000. That makes the price of going to Harvard or Yale【9】to attending a state-run university for middle-and upper-income students. The universities will also not require any student to take out【10】to pay for their【11】, a policy introduced by Princeton in 2001 and by the University of Pennsylvania just after Harvard's【12】. No applicant who gains admission, officials say, should feel【13】to go elsewhere because he or she can't afford the fees.
None of that is quite as altruistic as it sounds. Harvard and Yale are, after all, now likely to lure more students away from previously【14】options, particularly state-run universities,【15】their already impressive admissions figures and reputations.
The schemes also provide a【16】for structuring university fees in which high prices for rich students help offset modest prices for poorer ones and families are less【17】on federal grants and government-backed loans.
Less wealthy private colleges whose fees are high will not be able to【18】Harvard or Yale easily. But America's state-run universities, which have traditionally kept their fees low and stable, might well try a differentiated【19】scheme as they raise cash to compete academically with their private【20】. Indeed, the University of California system has already started to implement a sliding-fee scale.
(1)
A．cheap
B．reasonable
C．high
D．expensive
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