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问题 单项选择题

《城市道路绿化规划与设计规范》中规定，行道树定植株距，应以其树种壮年期冠幅为准，最小种植距离应为4米，行道树树干中心至路缘石外侧最小距离为（）米。

A.0.5

B.0.75

C.1

D.1.25

答案

参考答案：B

单项选择题

下列哪项不是肝癌所致肝静脉、下腔静脉癌栓的表现()

A．下腔静脉不规则

B．肝静脉阻塞

C．下腔静脉增宽且密度不均

D．肠系膜上静脉内见同心圆黑影

E．下腔静脉腔内充盈缺损
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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

（73）处填（）。

A．direct

B．navigate

C．indicate

D．go-on
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