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【简答题】
目前，大多数计算机系统都支持虚拟页式地址转换机制。试回答下列问题： 1．页式存储管理方案中，用户地址空间怎样划分?内存地址空间怎样划分?内存分配过程是怎样的? 2．页表应设计哪些数据项，每个数据项的作用是什么? 3．页式存储管理方案中，地址映射机制需要哪些寄存器的支持?为了加快地址映射速度，需要采取什么措施?该措施的作用是什么?
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举一反三
【单选题】Which of the following proverbs is closest in meaning to the message the text tries to convey?
A.
Forgive and forget.
B.
Forgotten, but not gone.
C.
When the wound is healed, the pain is forgotten.
D.
Every dog is valiant at his own door.
【简答题】Proverbs are quite common in both written and (speak)English.
【单选题】Which of the following proverbs is closest in meaning to the saying, 'Birds of a feather flock together.'?
A.
One swallow doesn't make a summer.
B.
A bird in hand is worth two in the bush.
C.
A man is know by the company he keeps.
D.
Fine feathers make fine birds.
【简答题】Please match the following English proverbs with the correct chinese meaning. 请正确搭配以下中英文谚语。
【简答题】背景 某公司承接一座钢筋混凝土框架结构的办公楼，内外墙及框架间墙采用GZI。保温砌块砌筑。目标成本为305210.50元，实际成本为333560.40元，比目标成本超支了28349.90元，用因素分析法分析砌筑量、单价、损耗率等因素的变动对实际成本的影响程度，有关对比数据见下表。 问题 (1)请简单陈述因素分析法的基本理论。 (2)用因素分析法分析成本增加的原因。
【简答题】Match the English proverbs with its Chinese meaning. (谚语中英文搭配)
【单选题】There aremany proverbs in Chinese_______, thereare also many proverbs in English
A.
meanwhile
B.
Similarly
C.
usually
D.
typically
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