单项选择题
Why did you eat your words, Billy? ----- Sorry, dear.But I really forgot where I was () to meet you.
A.demanded B.imagined C.supposed D.guessed
问答题 试述民族艺术与世界艺术的关系。
填空题 结构相关发生在()时,如()。
填空题 CPU响应中断后可通过()或()转至中断服务程序入口地址。前者需配有(),后者需配有()。