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-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．direct

B．navigate

C．indicate

D．go on

冰雪路面、汽车发动机性能不良或制动系统故障等均可能造成车祸而引发人员伤亡，造成车祸的风险因素属于( )。

A．自然风险因素
B．道德风险因素
C．心理风险因素
D．不可抗力风险因素