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问题 多项选择题

飞轮的主要作用包括（）。

A.储存做功冲程产生的能量

B.克服其他冲程的阻力

C.保持曲轴旋转的连续性和均匀性

D.使柴油机运转平稳

答案

参考答案：A, B, C, D

填空题

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．process

B．course

C．finance

D．source
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单项选择题 案例分析题

患者男性，因右眼石灰烧伤3周来院就诊，结膜充血水肿，下方近角膜缘处的结膜苍白坏死，角膜上皮大范围缺损，基质形成溃疡，残余角膜厚度约为正常角膜的1／2，房水混浊，虹膜肿胀纹理不清，其余眼内结构窥不清。

为进一步明确诊断，对该患者可进行的检查项目是（）

A.Schirmertest、泪膜破裂时间、泪液渗透压

B.乳铁蛋白测定、泪液溶菌酶测定、泪膜破裂时间

C.Schirmertest、脂质干涉成像、泪液蕨类结晶

D.脂质干涉成像、泪液蕨类结晶、泪液渗透压

E.乳铁蛋白测定、泪液溶菌酶测定、泪液蕨类结晶
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