●For each blank,choose the best answer from the four choices and write down on the answer sheet.

　　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 fries.Display text，display graphics，and (73) hyperlinks�瞭here's 99 percent of the (74) value.That's not to say that the manufacturers didn'tgo all�瞣ut 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?

　　(71) A.superlinks

　　B.links

　　C.hyperlinks

　　D.connections

　　(72) A.displaying

　　B.illustrating

　　C.drawing

　　D.writing

　　(73) A.direct

　　B.navigate

　　C.indicate

　　D.go-on

　　(74) A.Web browser�餾

　　B.terminal's

　　C.emulator's

　　D.network's

　　(75) A.plane

　　B.plant

　　C.plate

　　D.platform