【简答题】A.He wanted to work with his friend. B.He wanted to go to Spain. C.He was rejected by the engineering firm he had applied to. D.He enjoyed traveling around the world.
【单选题】设计一个裁判表决电路。裁判组由三个人组成:主裁判 A 、副裁判 B 和 C 。在判定一次比赛的结果时必须按照如下原则:只有当两个或两个以上裁判支持,并且其中有一个为主裁判时,比赛结果的裁决才有效。令 A 、 B 、 C 为1表示支持,为0表示反对。裁决 Y 为1表示有效,为0表示无效。下列表达式中能够实现该电路功能的是 。 A. Y=AB+AC B. Y=ABC C. Y=A+B+C D. Y=A...
【简答题】A.He wanted the railroad to be successful. B.He wanted to have a more powerful steam engine. C.He wanted to own the land near the railroad. D.He wanted to build his own railroads.