题目内容

[音频]Host: You are listening to Radio Norwich, and I'm your host Alan Peters. Up next I will be (1) ____________ pop star Anna Lane. Welcome to the show, Anna.Anna: Hi, Alan. It's good to be here.Host: So first why don't you tell us a bit about yourself? Where were you born?Anna: I was born in (2)_________, England. My mother is from England and my father is from Turkey.Host: And do you have any brothers or sisters?Anna: No, I don't. I'm an (3)_________ .Host: How about cousins?Anna: I have two cousins living in Turkey. I've never met them (4)_________ , but sometimes we (5)_________ on Facebook.

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使用中断方式实现CPU与外设的数据交换,优点是:

A. 提升了CPU运行效率
B. 程序简单
CPU同时只能服务一个对象
D. 提升慢速外设的响应时间

中断处理函数的入口地址称为()

A. 断点
B. 中断向量
C. 中断响应
D. 函数指针

CPU的内置ADC转换器转换结束后,产生了中断。按照中断产生的位置称为

A. 外部中断
B. 内部中断
C. 可屏蔽中断
D. 不可屏蔽中断

世界上少有的历史文化从未中断、一直延续至今的国家是( )。

A. 印度
B. 埃及
C. 伊拉克
D. 中国

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