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【单选题】
有一基础,上部结构和基础自重传至基底的压力p=90kPa,若地基土的天然重度 γ=18kN/m3,水的重度γw=10kN/m3,地下水位在地表下1m处,当基础埋置在下列哪一个深度时,该基础正好为全补偿基础?
A.
4.5m
B.
8m
C.
10m
D.
11.5m
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参考答案:
举一反三
【单选题】Both China and the United States from their growing business ties over the past four decades. [     ]
A.
had benefited
B.
benefit
C.
benefited
D.
have benefited
【简答题】属于'体征'的是
【单选题】下列选项中,()是机床数控系统和操作人员进行信息交流、实现人机对话的交互设备。
A.
进给伺服系统
B.
机床强电控制系统
C.
输入/输出设备
D.
数控装置
【判断题】数控操作的“跳步”功能又称为“单段运行”功能
A.
正确
B.
错误
【判断题】人和计算机进行信息交换是通过输入/输出设备实现的。
A.
正确
B.
错误
【单选题】Three-year-old Adrian is admitted to the hospital with a diagnosis of asthma and respiratory distress syndrome. The mother of the child reports to the nurse on duty that she has witnessed slight tremo...
A.
Respiratory Acidosis, Uncompensated
B.
Respiratory Acidosis, Fully Compensated
C.
Respiratory Alkalosis, Fully Compensated
D.
Metabolic Alkalosis, Partially Compensated
【简答题】完形填空。 Shortly after my daughter Julia-Ann was born, I started a loving tradition that I know others (with whom I have subsequently shared this special plan) have also started. Every year, on her 1 , I...
【单选题】Over the past four decades,
A.
the growth rate of real GDP per person in the United States has been increasing.
B.
U.S. real GDP per person has fallen below that of the other rich industrial countries.
C.
U.S. real GDP per person has increased.
D.
Both answers A and C are correct.
【多选题】工业企业的设计地面,一般具有若干个与平面成倾角的整平面,各整平面的连接方法有:
A.
平坡法
B.
混合法
C.
阶梯法
D.
以上均不是
【单选题】My friends and I often _________ after school.
A.
walk to home
B.
walks home
C.
walk home
D.
walking home
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