亲水性凝胶骨架片的材料为A.硅橡胶 B.蜡类 C.海藻酸钠 D.聚氯乙烯 E.脂肪

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问题:

亲水性凝胶骨架片的材料为

A.硅橡胶

B.蜡类

C.海藻酸钠

D.聚氯乙烯

E.脂肪

考点:西药执业药师药剂学缓(控)释制剂(一)
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寄售

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据中国B2B研究中心相关调查数据显示,截至2009年6月,我国规模以上电子商务网站总量已经达12282家。其中,B2B电子商务服务企业有5320家,B2C、C2C与其他非主流模式企业达6962家,特别是自进入2008年以来,呈现出高速增长、乃至井喷之势。目前国内电子商务服务企业主要分布在长三角、珠三角一带以及北京等经济较为发达的省市。其中长三角占有33.52%的份额,珠三角占有32.04%,北京占有8.86%,国内其他地方共占有25.58%。

另外,在电子商务服务企业的行业分布中,据中国B2B研究中心调查显示,排在前十名的依次为纺织服装、数码家电、钢铁机械、化工医药、建筑建材、农林、五金、包装印刷、食品糖酒、礼品饰品这些行业领域。

2009年B2C、C2C电子商务服务企业数量的增幅比B2B电子商务服务企业数量增幅高约()个百分点。

A.15

B.17

C.27

D.23

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随境转移常见于()

A.精神分裂症 

B.抑郁症 

C.躁狂症 

D.脑器质性精神障碍 

E.强迫症

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In the latest round of credit-card reforms, issuers and retailers are both playing the consumer-friendly angle. Currently lawmakers are debating whether to cut interchange fees, the tab that merchants pay to card issuers each time a customer uses plastic. While retailers claim they would pass the savings on to shoppers in the form of lower prices, card companies argue the legislation will make credit less convenient and more costly--and they may be right.

Merchants have long complained about interchange fees. They say the costs, which amount to roughly 1.6% of every transaction, erode already razor-thin margins. Last year retailers, the main supporters of three bills now working their way through Congress, forked over an estimated $ 48 billion in card fees. "We can’t keep absorbing these fees," Kathy Miller, a grocery store owner in Elmore, Vt. , testified at a congressional hearing in early October.

In their quest to win over lawmakers, retailers maintain consumers won’t get hurt--and may actually benefit. "Our market is extraordinarily competitive," says Mallory B. Duncan, general counsel of the National Retail Federation, a trade group. "If costs go down, that tends to drive down prices. "

That’s not what happened in Australia, though. In 2003 the country’s regulators cut the average interchange fee to around 0.5 % of the total bill, from 1%. But most retailers never dropped their prices, and credit-card issuers jacked up borrowers’ fees to make up for the lost revenue, according to a report by CRA International, a consultancy. After the regulation was passed, the annual fee paid by cardholders rose by 22%, to an average of $ 25.65. Annual fees on rewards cards jumped by as much as 77% since issuers’ profits took a bigger hit. Australian card companies generally levied a higher interchange fee on rewards cards to cover the added cost of the perk--as they do in the U.S.

Analysts worry that retailers and card issuers in the States would respond in much the same way. Already U.S. lenders have been raising rates and tacking on new charges for borrowers following a ban earlier this year from Congress on certain practices, including late-payment penalties. "When the banks have a major source of revenue eliminated, they need to raise [other fees] to make up for that," says David S. Evans, a lecturer at the University of Chicago Law School.Any new rules could make it less convenient for consumers to opt for credit over cash. As part of the proposals, lawmakers are considering whether to let retailers set a minimum payment for purchases with plastic; they now risk paying a hefty fine for doing so. If such changes are made, customers won’t be able to pull out their cards all the time. Merchants may also have the option of rejecting a specific card, like a reward card, if they think the interchange fees are too high. Currently retailers must accept all products under a single brand such as Visa. "Consumers want to be able to use their card for any kind of purchase," says Shawn Miles, MasterCard World wide’s head of global public policy. The legislation is "anti-consumer. "

Such a defense may work A report by the Government Accountability Office, an investigative arm of Congress, due out by Now. 19, is weighing the potential impact of proposed rules on the care-carrying masses. If the GAO finds that only merchants benefit from lower interchange fees, card companies may win. Says Brian Gardner, a vice-president at research firm Keefe, Bruyette & Woods. "If the report comes out and says there is little evidence that [the benefits] would be passed on to consumers, then I think the oxygen gets sucked out of this thing. \

1.What are interchange fees Why does the author say "issuers and retailers are both playing the consumer-friendly angle" (Para. 1)

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职业院校的心理健康教育是预防、发展重于矫治。

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