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渗透泵型片剂

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Intercampus buses will leave the main hall every hour on the half hour and make all of the regular stops on their route around the campus. The cafeteria will serve breakfast, lunch, and early dinner from7 a.m. to 7 p.m. during the week and from noon to 7 p.m. on weekends. The library will maintain regular hours during the week, but shorter hours on Saturdays and Sundays. The weekend hours are from noon to 7 p. m.
All students who want to use the library borrowing services and the recreational, athletic, and entertainment facilities must have valid summer identification cards. This announcement will also appear in the next issue of the student newspaper.
Which of the following is the main purpose of this announcement？

A. To tell campus personnel of the new library services.
B. To announce the new movies on campus this summer.
C. To notify university people of important schedule changes.
D. To remain students to validate their identification cards.

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在实际运用中，在比较各种筹资方式时，使用()；在进行资本结构决策时，使用()；在进行追加筹资决策时，使用()。

A. 个别资本成本边际资本成本加权平均资本成本
B. 加权平均资本成本个别资本成本边际资本成本
C. 边际资本成本平均资本成本个别资本成本
D. 个别资本成本加权平均资本成本边际资本成本

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Slang(俚语) is one of those things that everybody can recognize and nobody can define(下定义). Not only is it hard to wrap slang in a definition, it is also hard to distinguish (区别)it from such similar things as colloquialism (口语) , provincialism (方言) , jargon (行话) or trade talk (行业话).
Usually, slang tends to be transient (短暂的). Thus their children often laugh at parents when this older generation uses slang which was considered to be the height of fashion in their own youth. Of course, the slang teenage children use today is very different from that of their parents. Indeed it might ever be some obscure (晦涩的) foreign language as far as the older generation is concerned for it is totally beyond their understanding.
It is often said that a slang term stops to be slang when it is "accepted by the dictionary". This is not really the ease. You will find many slang terms listed in dictionaries are still slang terms. The term stops to be slang when it drives (派生) its respectable synonym (同义词)out of use, or when it gets a meaning that cannot be expressed otherwise.
Such things have happened. The term "hot dog" was once a slang term, but it couldn't be considered so now. No one in America would go up to a counter and order "a sausage sandwich". Similarly "vanity", originally a slang contraction (缩写) of university, has acquired a special meaning which only it expresses and is no longer slang. Jazz, when it means a particular kind of music, is scarcely a slang form, since there is no more respectable word meaning that kind of music.
What can readers know about slang from this article？

A. Nobody has defined and recognized slang, although they are used by a generation after another generation.
B. Slang tends to be transient though they have found their way in dictionaries.
C. Having difficulty in defining slang and telling slang from similar things, people still use slang frequently.
D. Slang can be totally beyond the understanding of the old.

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下列关于安置补助费的表述中,正确的是（)。A．安置补助费,按照需要安置的农业人口数计算,需要安置下列关于安置补助费的表述中,正确的是()。

A. 安置补助费,按照需要安置的农业人口数计算,需要安置的农业人口数,按照被征用的耕地数量除以征地前被征地单位平均每人占有耕地的数量计算
B. 每一个需要安置的农业人口的安置补助费标准,为该耕地被征用前3年平均年产值的4~5倍。但每公顷被征用耕地的安置补助费,最高不得超过被征用前3年平均年产值的30倍
C. 征用其他土地的安置补助费标准,由省、自治区、直辖市参照征用耕地的安置补助费标准规定
D. 在人均耕地特别少的地区,按前述标准支付的土地补偿费和安置补助费,尚不能使需要安置的农民保持原有生活水平,经省级人民政府批准,可以增加安置补助费。但土地补偿和安置补助费之和不得超过该土地被征用前3年平均年产值的30倍
E. 每一个需要安置的农业人口的安置补助费标准,为该耕地被征用前3年平均年产值的4至6倍

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