异位妊娠时,人类绒毛膜促性腺激素(HCG)一般是 A.比正常宫内妊娠稍高 B.比正常

题型:单项选择题

问题:

异位妊娠时,人类绒毛膜促性腺激素(HCG)一般是

A.比正常宫内妊娠稍高
B.比正常宫内妊娠低
C.比正常宫内妊娠高50%
D.比正常宫内妊娠高100%
E.与正常宫内妊娠相同

考点:大型设备上岗证考试彩色多普勒(CDFI)上岗考试CDFI医师业务能力考评
题型:单项选择题

下列说法不正确的是()。

A.征税对象是区分不同税种的重要标志

B.税目是征税对象的具体化

C.税率是衡量税负轻重与否的唯一标志

D.纳税义务人即纳税主体

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已知集合M={(x,y)|y=x2},用自然语言描述M应为(  )

A.函数y=x2的值域

B.函数y=x2的定义域

C.函数y=x2的图象上的点组成的集合

D.以上说法都不对

题型:单项选择题

欲除去不纯物质中的杂质(括号内为杂质),所用试剂和方法均不正确的是

选项待提纯物质选用试剂操作方法
ACO2(H2O)浓硫酸洗气
BCaCl固体(CaCO3盐酸蒸发结晶
CCuSO4溶液(稀硫酸)氧化铜蒸发、洗涤
DCu(Fe)稀硫酸过滤、洗涤、灼烧

题型:单项选择题

对于一般的工业与民用建筑钢筋混凝土构件,延性破坏时的可靠指标β为()

A.2.7

B.3.7

C.3.2

D.4.2

题型:单项选择题

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.

5()

A.different

B.same

C.similar

D.encouraging

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