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【单选题】
已知 为作用于刚体上的平面共点力系,其力矢关系如图所示为平行四边形,由此可知 _ _______ 。
A.
力系可合成为一个力偶
B.
力系可合成为一个力
C.
力系简化为一个一个力偶
D.
力系的合力为零，力系平衡
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【简答题】Fill in the blanks with the words given below. Change the form where necessary. contact previous inspire neglect confirm substitute urgent...
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【简答题】Fill in the blanks with the words given below. Change the form where necessary. contact previous inspire neglect confirm substitute urgent...
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【多选题】For the solution for displacements of statically indeterminate structure, which statement is correct?
A.
This displacement formula still work.
B.
The primary structure set up for the calculation of desired displacement should be the same one that has been used to determine internal forces in the original structure.
C.
The primary structure set up for the calculation of desired displacement don't need to be the same one that has been used to determine internal forces in the original structure.
D.
We can choose any primary structure for the original structure to calculate the desired displacement because all primary structures have the same internal forces and displacement with the original structure's.
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【简答题】Home-made parts are being ________ for imported ones.
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【单选题】What is the text structure of this paragraph? Pay attention to the clue words. Park School had a terrible problem. Every day at recess, students would argue over the slides. Teachers had to spend time...
A.
Compare and contrast
B.
Problem and solution
C.
Cause and effect
D.
Chronological order
E.
Main idea and details
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【单选题】下列选项中，()不属于花卉植物所需的微量元素。
A.
硼
B.
钙
C.
氯
D.
锌
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【单选题】从阿玛那书信来看,当时的迦南地区归属( )管控。
A.
埃及法老
B.
巴比伦国王
C.
赫梯国王
D.
亚述国王
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【简答题】Fill in the blanks with the words given below. Change the form where necessary. contact previous inspire neglect abuse substitute urgent remarkable 1. He was arrested on charges of corruption and ____...
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【单选题】( )不属于花卉植物所需的微量元素。
A.
硼
B.
钙
C.
氯
D.
锌
查看完整题目与答案
【单选题】"catach-22" meaning "A situation in which a desired outcome or solution is impossible to attain because of a set of inherently illogical rules or conditions" is from the title of the novel "Catch-22"....
A.
analogy
B.
commonization of proper names
C.
acronymy
D.
reduplication
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【简答题】Fill in the blanks with the words given below. Change the form where necessary. contact previous inspire neglect confirm substitute urgent...
查看完整题目与答案
【简答题】Fill in the blanks with the words given below. Change the form where necessary. contact previous inspire neglect confirm substitute urgent...
查看完整题目与答案
【多选题】For the solution for displacements of statically indeterminate structure, which statement is correct?
A.
This displacement formula still work.
B.
The primary structure set up for the calculation of desired displacement should be the same one that has been used to determine internal forces in the original structure.
C.
The primary structure set up for the calculation of desired displacement don't need to be the same one that has been used to determine internal forces in the original structure.
D.
We can choose any primary structure for the original structure to calculate the desired displacement because all primary structures have the same internal forces and displacement with the original structure's.
查看完整题目与答案
【简答题】Home-made parts are being ________ for imported ones.
查看完整题目与答案
【单选题】What is the text structure of this paragraph? Pay attention to the clue words. Park School had a terrible problem. Every day at recess, students would argue over the slides. Teachers had to spend time...
A.
Compare and contrast
B.
Problem and solution
C.
Cause and effect
D.
Chronological order
E.
Main idea and details
查看完整题目与答案
【单选题】下列选项中，()不属于花卉植物所需的微量元素。
A.
硼
B.
钙
C.
氯
D.
锌
查看完整题目与答案
【单选题】从阿玛那书信来看,当时的迦南地区归属( )管控。
A.
埃及法老
B.
巴比伦国王
C.
赫梯国王
D.
亚述国王
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【简答题】Fill in the blanks with the words given below. Change the form where necessary. contact previous inspire neglect abuse substitute urgent remarkable 1. He was arrested on charges of corruption and ____...
查看完整题目与答案
【单选题】( )不属于花卉植物所需的微量元素。
A.
硼
B.
钙
C.
氯
D.
锌
查看完整题目与答案
【单选题】"catach-22" meaning "A situation in which a desired outcome or solution is impossible to attain because of a set of inherently illogical rules or conditions" is from the title of the novel "Catch-22"....
A.
analogy
B.
commonization of proper names
C.
acronymy
D.
reduplication
查看完整题目与答案