案例分析题
In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
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 （） , and that it has a mechanism for （） graphical files. Display text, display graphics, and （） hyperlinks ——there’s 99 percent of the （） 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 （） , for application development Remember frames and all their nasty side effects.