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问题 单项选择题 A1型题

风心病长期卧床的心力衰竭患者，当下肢静脉血栓形成时，如血栓脱落可导致的栓塞部位是（）

A.肾栓塞

B.脑栓塞

C.肺栓塞

D.脾动脉栓塞

E.下肢动脉栓塞

答案

参考答案：C

单项选择题

A 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 files. 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

（75）处填（）。

A．plane

B．plant

C．plate

D．platform
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判断题

电功率表示电能对时间的变化速率，所以电功率不可能为负值。
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