问题
单项选择题
指令IN AL，DX对I/O端口的寻址范围是______。
A．0～255
B．0～65535
C．0～1023
D．0～32767
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
指令IN AL，DX对I/O端口的寻址范围是______。
A．0～255
B．0～65535
C．0～1023
D．0～32767
参考答案：B
完形填空（15分） Bill is an Australian __41___. He is twelve. He lives ___42___ his family in China. There are __43___ people in his family. His father John Smith, his mother Catherine and his little sister Abbey. He has a yellow dog. ___44___ name is Barbi. Look! Abbey is ___45__with Barbi. His father is mending his car. His mother is cleaning the house. What is Bill doing? Ah, he is doing __46__ homework in Chinese. He can’t __47___ Chinese well, but he loves Chinese very much. Bill’s ___48___ works in a middle school as an __49____ teacher. His mother works at a TV factory. Bill and his __50____ go to the same school.
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