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【单选题】
计算机内存与外存的区别是______
A.
是否包括在主机中
B.
是否包括在主机箱中
C.
是否由主机控制
D.
是否由操作系统控制
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【单选题】The Exploding Lakes of Cameroon What comes to mind when youthink of a lake? You probably imagine a pretty scene with bue water, brds, and fish. FOr the people in the northwestern Cameroon, however,the...
A.
Water will flow down the hills.
B.
Poisonous gases will bereleased suddenly.
C.
A strong wind will rise from the lakes.
D.
The volcanoes will come to life.
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【多选题】柴油发电机组容量在方案或初步设计阶段，按下述方法( )估算并选择其中容量最大者。
A.
按建筑面积估算。建筑面积在10000m2以上的大型建筑按15～20W/m2，建筑面积在10000m2及以下的中小型建筑按10～15W/m2
B.
按配电变压器容量估算。占配电变压器容量的10％～20％
C.
按电动机起动容量估算。当允许发电机端电压瞬时降为20％时，发电机组直接起动异步电动机的能力为每1kW电动机功率，需要5kW柴油发电机组功率
D.
柴油发电机的额定功率指外界大气压力为101．325kPa(760mmHg)、大气温度为20℃、相对湿度为50％的情况下，保证能连续运行12h的功率(包括超负荷110％运行1h)
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【简答题】建设工程质量试验检测方法 某城市建设项目，建设单位委托监理单位承担施工阶段的监理任务，并通过公开招标选定甲施工单位作为施工总承包单位，工程实施中发生了下列事件。 事件1：桩基工程开始后，专业监理工程师发现甲施工单位未经建设单位同意将桩基工程分包给乙施工单位，为此，项目监理机构要求暂停桩基施工。征得建设单位同意分包后，甲施工单位将乙施工单位的相关材料报项目监理机构审查，经审查，乙施工单位的资质条...
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【简答题】起步阶段的度量方案。
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【单选题】As nobody here knows what’s wrong with the machine, we must send for an engineer to _______ the problem.
A.
raise
B.
face
C.
present
D.
handle
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【简答题】阅读理解 A. what is dementia? B. A new opinion on the cause of disability C. A study on disability problems of children D. What should the World Health Organization do to solve the problem? E. A study on ...
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【单选题】What is the main topic of this passage?
A.
The solution to the Nebraskan settlers' fuel problem.
B.
Life in Nebraska in the late nineteenth century.
C.
The importance of the American buffalo.
D.
The forestation in Nebraska in the late nineteenth century.
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【单选题】What does the underlined word 'litter' mean in paragraph 2 ?
A.
not many
B.
serious problem
C.
bits of waste things
D.
indtustrial pollution
查看完整题目与答案
【单选题】As nobody here knows what is wrong with the machine, we must send for an engineer to ______ the problem.
A.
handle
B.
raise
C.
face
D.
present
查看完整题目与答案
【单选题】Every human being, no matter what he is doing, gives off body heat. The usual prob-lem is how to dispose of it. But the designers of the Johnstown campus of the University of Pittsburgh set themselves...
A.
was difficult to collect
B.
came in a variety of forms
C.
was difficult to get rid of
D.
tended to be absorbed by physical objects
查看完整题目与答案
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【单选题】The Exploding Lakes of Cameroon What comes to mind when youthink of a lake? You probably imagine a pretty scene with bue water, brds, and fish. FOr the people in the northwestern Cameroon, however,the...
A.
Water will flow down the hills.
B.
Poisonous gases will bereleased suddenly.
C.
A strong wind will rise from the lakes.
D.
The volcanoes will come to life.
查看完整题目与答案
【多选题】柴油发电机组容量在方案或初步设计阶段，按下述方法( )估算并选择其中容量最大者。
A.
按建筑面积估算。建筑面积在10000m2以上的大型建筑按15～20W/m2，建筑面积在10000m2及以下的中小型建筑按10～15W/m2
B.
按配电变压器容量估算。占配电变压器容量的10％～20％
C.
按电动机起动容量估算。当允许发电机端电压瞬时降为20％时，发电机组直接起动异步电动机的能力为每1kW电动机功率，需要5kW柴油发电机组功率
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柴油发电机的额定功率指外界大气压力为101．325kPa(760mmHg)、大气温度为20℃、相对湿度为50％的情况下，保证能连续运行12h的功率(包括超负荷110％运行1h)
查看完整题目与答案
【简答题】建设工程质量试验检测方法 某城市建设项目，建设单位委托监理单位承担施工阶段的监理任务，并通过公开招标选定甲施工单位作为施工总承包单位，工程实施中发生了下列事件。 事件1：桩基工程开始后，专业监理工程师发现甲施工单位未经建设单位同意将桩基工程分包给乙施工单位，为此，项目监理机构要求暂停桩基施工。征得建设单位同意分包后，甲施工单位将乙施工单位的相关材料报项目监理机构审查，经审查，乙施工单位的资质条...
查看完整题目与答案
【简答题】起步阶段的度量方案。
查看完整题目与答案
【单选题】As nobody here knows what’s wrong with the machine, we must send for an engineer to _______ the problem.
A.
raise
B.
face
C.
present
D.
handle
查看完整题目与答案
【简答题】阅读理解 A. what is dementia? B. A new opinion on the cause of disability C. A study on disability problems of children D. What should the World Health Organization do to solve the problem? E. A study on ...
查看完整题目与答案
【单选题】What is the main topic of this passage?
A.
The solution to the Nebraskan settlers' fuel problem.
B.
Life in Nebraska in the late nineteenth century.
C.
The importance of the American buffalo.
D.
The forestation in Nebraska in the late nineteenth century.
查看完整题目与答案
【单选题】What does the underlined word 'litter' mean in paragraph 2 ?
A.
not many
B.
serious problem
C.
bits of waste things
D.
indtustrial pollution
查看完整题目与答案
【单选题】As nobody here knows what is wrong with the machine, we must send for an engineer to ______ the problem.
A.
handle
B.
raise
C.
face
D.
present
查看完整题目与答案
【单选题】Every human being, no matter what he is doing, gives off body heat. The usual prob-lem is how to dispose of it. But the designers of the Johnstown campus of the University of Pittsburgh set themselves...
A.
was difficult to collect
B.
came in a variety of forms
C.
was difficult to get rid of
D.
tended to be absorbed by physical objects
查看完整题目与答案