若等差数列{an}的前5项和Sn=25,且a2=3,则a4=______.

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问题:

若等差数列{an}的前5项和Sn=25,且a2=3,则a4=______.

考点:等差数列的通项公式等差数列的前n项和
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文艺学包括的三个分支是文学史、文学理论和()。

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第三部分:阅读理解(共20小题,满分40分)

第一节:阅读下 * * 篇短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。(共15小题,满分30分)

Frank Woolworth was born in Rodman, New York., in 1852. His family were very poor farmers, and there was never enough to eat. Frank decided he did not want to be farmer. He took a short business course, and went to work as a salesman in a large city.

Woolworth realized he had a natural skill for showing goods to attract people’s interest, but he soon learned something more important. One day his boss told him to sell some odds and ends (小商品 ) for as much as he could get. Frank put all these things on one table with a sign which said FIVE CENTS EACH. People fought and pushed to buy the things and the table was soon cleared.

Soon afterwards, Woolworth opened his own store., selling goods at five and ten cents. But he had another lesson to learn before he became successful. That is, if you want to make money by selling low-price goods, you have to buy them in large quantities directly form the factories. Once, for example, Woolworth went to Germany and placed an order for knives. The order was so large that the factory had to keep running 24 hours a day for a whole year. In this way, the price of the knives was cut down by half.

By 1919, Woolworth had over 1000 stores in the US and Canada, and opened his first store in London. He made many millions and his name became famous throughout the world. He always run his business according to strict rules, of which the most important was: “ THE CUSTOMER IS ALWAYS RIGHT.”

51. Frank took a short business course in order to ____________.

A. earn more money for his family    B. learn something from a salesman

C. get away from the farm           D. get enough to eat.

52. Frank sold the odds and ends quickly because _____________.

A. he knew how to get people to buy his goods.     B. he cut down the price by half

C. he had put the goods on a table in a very nice way.

D. the sign he put on the table was well designed.

53. The price of the knives was cut down by half because ______________.

A. the factory workers worked 24 hours a day.

B. knives were ordered in large quantities directly from the factory.

C. the knives were made in Germany, where labour (劳动力) was cheap.

D. the knives were produced in one factory.

54. _____________ make Woolworth a world-famous man.

A. His business skills and his wealth.     B. The low price of the goods he sold.

C. His trip to Germany and his huge order of knives.   

D. His natural skill for showing things.

55. The belief that : “ The customer is always right” suggests that _______________.

A. whenever there is a quarrel between the customer and shop assistant, the customers are always right.

B. If you want to succeed, the rule is the only way.

C. stores must always follow the customer’s orders if they want to make more money.

D. stores should do their best to meet the customer’s needs if they want to be successful.

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做好基层群众工作是落实()的一项重要任务。

A.政工条例

B.纪律条令

C.军队基层建设纲要

D.内务规定

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男,54岁。因感冒发热,使用感冒通和庆大霉素治疗3天后症状好转。继续实施巩固治疗,数日后尿量增多,约2500ml左右,查血Cr360μmol几,尿蛋白(+)。此时应采取的紧急处理措施是

A.继续感冒通和庆大霉素治疗

B.增加静脉补液量

C.停止感冒通和庆大霉素治疗

D.增加其它抗生素治疗

E.限制入液量

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治疗闭角型青光眼应选择

A.新斯的明

B.去甲肾上腺素

C.加兰他敏

D.阿托品

E.毛果芸香碱

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