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问题 多项选择题

读风云2电路图，线路标注为0、5RY代表什么意思（）

A.导线直径为0.5毫米

B.导线横截面积为0.5平方毫米

C.导线主颜色为红色

D.导线主颜色为黄色

答案

参考答案：B, C

单项选择题

For each blank, choose the best answer from the four choices and write down on the answer sheet.
Web browser is simply a terminal emulator, designed to display text on a screen. The two essential differences between an ordinary terminal emulator and a Web browser are that the browser knows how to deal with (71) , and that it has a mechanism for (72) graphical fries. Display text, display graphics, and (73) hyperlinks-there’ s 99 percent of the (74) value. That’s not to say that the manufacturers didn’t go all-out to attach a hyperactive efflorescence of useless capabilities onto their browsers. Remember when media channels in the browser were a big deal, instead of the clutter you can’t wait to delete from your favorites of bookmarks menu Remember when client - side Java applets were supposed to become the preferred (75) for application development Remember frames and all their nasty side effects

A．displaying

B．illustrating

C．drawing

D．writing
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单项选择题

患者，男性，23岁，右腰部撞伤1h。患者腰部剧烈疼痛，肿胀，有淡红色血尿，诊断为右肾挫伤，采用非手术治疗。

对该患者的护理措施错误的是

A．绝对卧床休息
B．输液、使用止血药
C．按时使用抗生素
D．血尿消失即可下床活动
E．做好术前准备
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