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问题 多项选择题

施工进度计划进行偏差纠正，分析不正确的有（）。

A.若出现偏差的工作为关键工作，则无论偏差大小，都对后续工作及总工期产生影响

B.若出现偏差的工作不为关键工作则不对后续工作及总工期产生影响

C.若工作的进度偏差小于或等于该工作的总时差，说明此偏差对后续工作和总工期无影响

D.若工作的进度偏差大于该工作的总时差，说明此偏差必将影响后续工作和总工期

E.若工作的进度偏差小于或等于该工作的自由时差时，原进度计划可以不作调整

答案

参考答案：B, C

选择题
通过内能、热机内容的学习，下列说法错误的是（　　）

A．物体运动的动能和所有分子势能的总和，叫做物体的内能

B．改变物体内能的方式有两种：做功和热传递

C．利用内能来做功的机器叫热机

D．蒸汽机、内燃机、燃气轮机、喷气发动机都是热机
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单项选择题

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.

9（）

A.spread

B.passed

C.printed

D.completed
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