本装置所用的HYPO是()。A、氧化剂 B、还原剂 C、链转移剂 D、防粘剂

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问题:

本装置所用的HYPO是()。

A、氧化剂

B、还原剂

C、链转移剂

D、防粘剂

考点:聚丙烯酰胺装置操作工聚丙烯酰胺装置操作(初级工)聚丙烯酰胺装置操作(初级工)题库
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合同中约定安全生产费按施工费的1.5%计取。有何错误?

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气割的缺点是( )。

A.设备简单

B.使用灵活

C.被割工件的切口两侧金属变形

D.耗电量大

题型:单项选择题

假设有下列声明语句:
int i,j;
float x,y;
double u,v;
下面______个赋值是合法的 ( )

A.i=x;

B.x=u+y;

C.x=23.4+j*y;

D.v=(int)x;

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Part 4


Questions 26-45


·Read the following text and decide which answer bestfits each space.
·For questions 26-45, mark one letter A, B, C or D on the Answer Sheet.

Newspapers


Who won the World Cup 1994 football game What happened at the United Nations How did the critics like the new play When an event takes place, newspapers are on the streets (26) the details. (27) anything happens in the world, reporters are on the spot to (28) the news.
Newspapers have one basic (29) to get the news as quickly as possible from its source, from those who make it to those who want to (30) it. Radio, telegraph, television, and (31) inventions brought competition for newspapers. So did the development of magazines and other means of communication. (32) this competition merely spurred the newspapers on. They quickly made (33) of the newer and faster means of communication to improve the speed and (34) the efficiency of their own operations. Today more newspapers are printed and read than ever before.
Competition also led-newspapers to branch out into many other fields. Besides keeping readers (35) of the latest news, today’s newspapers (36) readers about politics and other important and serious matters. Newspapers influence readers’ economic choices (37) advertising. Most newspapers depend on advertising for their very (38) Newspapers are sold at a price that (39) to cover even a small fraction of the cost of production. The main (40) of income for most newspapers is commercial advertising. The (41) in selling advertising depends on a newspaper’s value to advertisers. This is measured (42) circulation. How many people read the newspaper Circulation depends (43) on the work of the circulation department and on the services or entertainment (44) in a newspaper’s pages. But for the most part, circulation depends on a newspaper’s value to readers as a source of information (45) the community, city, country, state, nation, and world—and even outer space.

A.way

B.means

C.opinion

D.success

题型:单项选择题

有关胸腔穿刺的方法,下列哪项不正确 ()

A.穿刺抽液时,穿刺点取浊音明显部位,一般取肩胛线7~9肋间隙或腋中线6~7肋间

B.穿刺抽气时,穿刺点取患侧锁骨中线第2肋间

C.穿刺时应沿肋骨下缘进针

D.抽液量每次不超过1000mL

E.抽气量每次可大于1000mL

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