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问题 单项选择题

直径为d的实心圆轴受扭，若使扭转角减小一半，圆轴的直径需变为（）。

A.A

B.B

C.C

D.D

答案

参考答案：A

解析：

多项选择题

处方：氯霉素2.5g 氯化钠9.0g 羟苯甲酯0.23g 羟苯丙酯0.1lg 蒸馏水加1000ml关于0.25%氯霉素滴眼剂，正确的有

A．氯化钠为等渗调节剂

B．羟苯甲酯、羟苯丙酯为抑菌剂

C．分装完毕后热压灭菌

D．可加入助悬剂

E．氯霉素溶解可加热至60℃以加速其溶解
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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．in terms of

B．as a result of

C．regardless of

D．instead of
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