问题
单项选择题
在分区存储管理中，系统提供一对硬件寄存器，它们是( )。
A) 基址寄存器和限长寄存器
B) 直接地址寄存器和间接地址寄存器
C) 上界寄存器和下界寄存器
D) A或C
答案
参考答案：D
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在分区存储管理中，系统提供一对硬件寄存器，它们是( )。
A) 基址寄存器和限长寄存器
B) 直接地址寄存器和间接地址寄存器
C) 上界寄存器和下界寄存器
D) A或C
参考答案：D
| Choose the best response from A to G in the box to complete the dialogue. Each choice should be used only once. | |
| Tom: Excuse me. I'm from our school newspaper. My classmates and I would like to interview some students. Can I ask you a few personal questions? Emily: Um … Tom: 1_______ They're not too difficult! Emily: OK. What would you like to know? Tom: Well, what does it feel like to be at school in China? Emily: It's great! 2_______ But people here are friendly, so 1 am never alone any more! Tom: What do you think is the most difficult thing for a foreigner living in China? Emily: 3_______ I'm learning it now, but it's going to take a long time. Tom: 4_______ Emily: My parents. But they're coming over to visit me in a few months. Tom: OK! Thank you! Emily: 5______ | |
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