与IA-32相比，Inte164架构的微处理器为了能够兼容32位和64位两种工作模式，对芯片内部的寄存器进行了相应的扩展。下面相关叙述中错误的是______。
A. 通用寄存器组从32位扩展为64位，并且增加了8个64位通用寄存器
B. 增加了8个128位SSE寄存器XMM8～XMM15
C. 指令指针和标志寄存器从32位扩展为64位
D. 段寄存器从16位扩展为64位
查看答案
以太局域网中需要传输的数据必须预先组织成若干帧，每一数据帧的格式如下所示：
其中“？”表示的是______。
A. 填充信息
B. IP地址
C. 协议信息
D. 有效载荷
What is Peter Jackson writing this letter for？
A. He wants to thank this company.
B. He wants to get a job.
C. He is angry with the company.
Why does Peter want to be a driver？
A. Because he has nothing to do.
Because he has dreamed to be a driver since he was very young.
C. Because his father told him to do so.
Besides driving, what else has Peter learned in school？
A. English and Chinese.
B. History and swimming.
C. English and history.
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