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 (26) , and that it has a mechanism for (27) graphical files. Display text, display graphics, and (28) hyperlinks-there’s 99 percent of the (29) 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 (30) for application development Remember frames and all their nasty side effects

A．direct

B．navigate

C．indicate

D．go-on

适用于贵重药物和空气中易氧化药物干燥失重测定的方法是

A．差示热分析法
B．热重分析法
C．差示扫描量热法
D．x-射线粉末衍射法
E．电泳法