过滤式防护是使用()的防护方式。

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问题:

过滤式防护是使用()的防护方式。

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根据MRI表现考虑为何种疾病是()

A.羊瘙痒病

B.皮质一纹状体-脊髓变性

C.进行性多灶性白质脑病

D.亚急性硬化性全脑炎

E.进行性风疹全脑炎

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马克思主义在中国传播和发展的过程就是马克思主义中国化的过程。马克思主义中国化的最新成果是

A.毛 * * 思想

B.邓 * * 理论

C.“三个代表”重要思想

D.中国特色社会主义理论体系

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某台电烘箱工作时,通过其电阻丝的电流为5A,每分钟产生的热量是6.6×104J,求这台电烘箱工作时的电阻和电功率.

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一个数由7个亿,7个万,7个一组成,这个数写作(    )。

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Weak dollar or no, $ 46,000-the price for a single year of undergraduate instruction amid the red brick of Harvard Yard-is (1) But nowadays cost is (2) barrier to entry at many of America’s best universities. Formidable financial-assistance policies have (3) fees or slashed them deeply for needy students. And last month Harvard announced a new plan designed to (4) the sticker-shock for undergraduates from middle and even upper-income families too.

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.

19()

A. pricing

B. tuition

C. scholarship

D. financial aiding

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