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问题 单项选择题

根据《倒置式屋面工程技术规程》5.1.4要求，当倒置式屋面坡度大于（）%时，应在结构层采取防止防水层、保温层及保护层下滑的措施。

A.2

B.3

C.5

D.10

答案

参考答案：B

单项选择题

下列哪类病人麻醉前病情分级(ASA)为m级

A．病人心、肺、肝、肾和中枢神经系统功能正常，发育营养良好，能耐受手术和麻醉。
B．病人心、肺、肝、肾等实质器官病变严重，功能代偿不全，威胁生命安全，实施麻醉和手术有危险性。
C．病人心、肺、肝、肾等实质器官病变严重，虽在代偿范围，但施行手术和麻醉有一定危险性。
D．病人心、肿、肝、肾等实质器官轻度病变，但代偿健全，尚能耐受手术和麻醉。
E．病人生命垂危，麻醉和手术异常危险。
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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.

[A] another [B] other [C] one another [D] the other
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