对突水点的观测有哪些要点？
参考答案：应详细观测突水的时间、地点、确切位置、出水层位、岩性、厚度、出水形式、围岩破坏、突水点的水量、水温、水质、含砂量等。
胎盘剥离的征象是
A．子宫体变硬呈球形，胎盘剥离后降至子宫下段，下段被扩张，子宫体呈狭长形被推向上，子宫底升高达脐上
B．剥离的胎盘降至子宫下段， * * 口外露的一段脐带自行延长
C． * * 少量流血
D．用手掌尺侧在产妇耻骨联合上方轻压子宫下段时，子宫体上升而外露的脐带不再回
E．以上都是
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) hypefiinks, 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．superlinks
B．links
C．hyperlinks
D．connections
