新建装置引入原料前要进行检查和最终确认，检查项目分为（） A.后勤保障 B.专业检查

有两根绳子，如果两根绳子都剪掉同样的长度，剩下的长度比为2：1，如果两根绳子再剪掉与上次剪掉的同样长度，剩下的长度比是3：1．求原来两绳子的长度比？

补写出下列名篇名句中的空缺部分。

（1）______________，两朝开济老臣心。________________，____________。

（2）早岁那知世事艰，中原北望气如山。_______________， ____________。

（3）世间行乐亦如此，古来万事东流水。别君去兮何时还？且放白鹿青崖间，须行即骑访名山。______________，使我不得开心颜！

（4）细草微风岸，危樯独夜舟。_________________，__________________。

（5）亲朋无一字，老病有孤舟。__________________，_________________。

电源内部的电流方向总是由电源负极流向电源正极。

十八大报告指出鼓励和引导（）为中国特色社会主义事业作出更大贡献。

A.宗教界人士

B.新的社会阶层人士

C.各阶层代表

D.群众代表

Who won the World Cup 1994 football game What happened at the United Nations How did the critics like the new play (1) an event takes place, newspapers are on the streets (2) the details. Wherever anything happens in the world, reporters are on the spot to (3) the news.

Newspapers have one basic (4) , to get the news as quickly as possible from its source, from those who make it to those who want to (5) it.

Radio, telegraph, television, and (6) inventions brought competition for newspaper. So did the development of magazines and other means of communication. (7) , this competition merely spurred the newspapers on. They quickly made use of the newer and faster means of communication to improve the (8) and thus the efficiency of their own operations. Today more newspapers are (9) and read than ever before. Competition also led newspapers to branch out into many other fields. Besides keeping readers (10) of the latest news, today’s newspapers (11) and influence readers about politics and other important and serious matters. Newspapers influence readers’ economic choices (12) advertising. Most newspapers depend on advertising for very (13) .

Newspapers are sold at a price that (14) even a small fraction of the cost of production. The main (15) of income for most newspapers is commercial advertising. The (16) in selling advertising depends on a newspaper’s value to advertisers. This (17) in terms of circulation. How many people read the newspaper

Circulation depends (18) on the work of the circulation department and on the services or entertainment (19) in a newspaper’s pages. But for the most part, circulation depends on a newspaper’s value to readers as a source of information (20) the community, city, county, state, nation, and world—and even outer space.

4（）

A.reason

B.cause

C.problem

D.purpose