For each blank, choose the best answer from the four choices and write down on the answer sheet. When we just had text on scr

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问题 For each blank, choose the best answer from the four choices and write down on the answer sheet.
   When we just had text on screen, the basic user interface was a DOS(66)or maybe a simple list of choices. Now that we have graphics and text at the same time, we can have a much mom intuitive mouse - driven graphics based user interface with(67)menus, as in the Macintosh, Microsoft Windows, and Presentation Manager. When we can add photograph - quality images, animation, good -quality sound, and interactivity, then we ought to be able to make computers much more powerful - and much easier to use. That’s tile concept behind(68), the newest buzzword. Multimedia, which typically refers to a synthesis of graphics, animation, optical storage, image processing, and sound, is not a single technology, product, or market.  Instead, it is a collection of technologies that proponents believe will one day be joined together. So far, most of the activity in Multimedia has taken place on the Macintosh and on the Amiga because of their(69)graphics and sound features but you can expect this technology to spread to other(70)

选项 A、foldaway
B、popup
C、pulldown
D、pullup

答案C

解析 此处是指下拉式菜单,固定用法。
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