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)
A. hint
B. clew
C. prompt
D. clue
按照《中华人民共和国合同法》规定,由于合同当事人一方缺乏经验造成的重大误解,而订立了损害己方利益的合同,则该当事人可以()。
A. 请求人民法院变更合同
B. 拒绝履行合同,宣布合同无效
C. 请求行政主管部门撤销合同
D. 请求行政主管部门变更合同