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【简答题】
材料力学中的内力是指( ) (A)构件内部的力; (B)构件内部各质点间固有的相互作用力; (C)构件内部一部分与另一部分之间的相互作用力; (D)因外力作用，而引起构件内部一部分对另一部分作用力的改变量
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参考答案：
举一反三
【单选题】60Si2MnA is a kind of ( ), its Si content is ( ), its Mn content is ( )
A.
alloy structural steel or alloy spring steel, <2%, <1%
B.
high strength low alloy steel, <2%, <1%
C.
alloy structural steel or alloy spring steel, between 1.5% and 2.49%, <1.5%
D.
high strength low alloy steel, between 1.5% and 2.49%, <1.5%
查看完整题目与答案
【多选题】Describing a story you have read (choose THREE correct answers)
A.
The story is about a person who…
B.
I don't really read books.
C.
The main character of the story is…
D.
I read the book many years ago, but it impressed me.
查看完整题目与答案
【单选题】Constant smiling without apparent reason ______.
A.
is a sign of one's friendliness
B.
is a sign of one's unfriendliness
C.
makes people feel happy
D.
makes people feel uncomfortable
查看完整题目与答案
【单选题】Peoples of Britain Introduction The story of early Britain has traditionally been told in terms of waves of invaders displacing or annihilating(消灭) their predecessors. Archaeology suggests that this p...
A.
Y
B.
N
C.
NG
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【单选题】Only after being asked several times ______ us the story of his strange life.
A.
he could tell
B.
then he told
C.
did he tell
D.
he began to tell
查看完整题目与答案
【单选题】When the customers decide to buy a company's product, they prefer to choose______.
A.
its technical features.
B.
its market ability.
C.
its value-added service.
查看完整题目与答案
【单选题】SI is a ______________ demanding task because many processes need to take place at one and the same moment in time.
A.
cognitively
B.
analytically
C.
systematically
D.
methodically
查看完整题目与答案
【判断题】When a photon breaks a Si-Si bond, a free electron and a hole in the Si-Si bond is created. The result is the photogeneration of an electron and a hole pair (EHP)
A.
正确
B.
错误
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【单选题】Si is organizing
A.
a special team to protect the environment
B.
a meeting to discuss the problem of pollution
C.
an event named “Environment Day”
查看完整题目与答案
【单选题】________ of the two story books are very interesting, so I can't decide which one to choose. [     ]
A.
All
B.
Any
C.
Either
D.
Both
查看完整题目与答案
相关题目：
【单选题】60Si2MnA is a kind of ( ), its Si content is ( ), its Mn content is ( )
A.
alloy structural steel or alloy spring steel, <2%, <1%
B.
high strength low alloy steel, <2%, <1%
C.
alloy structural steel or alloy spring steel, between 1.5% and 2.49%, <1.5%
D.
high strength low alloy steel, between 1.5% and 2.49%, <1.5%
查看完整题目与答案
【多选题】Describing a story you have read (choose THREE correct answers)
A.
The story is about a person who…
B.
I don't really read books.
C.
The main character of the story is…
D.
I read the book many years ago, but it impressed me.
查看完整题目与答案
【单选题】Constant smiling without apparent reason ______.
A.
is a sign of one's friendliness
B.
is a sign of one's unfriendliness
C.
makes people feel happy
D.
makes people feel uncomfortable
查看完整题目与答案
【单选题】Peoples of Britain Introduction The story of early Britain has traditionally been told in terms of waves of invaders displacing or annihilating(消灭) their predecessors. Archaeology suggests that this p...
A.
Y
B.
N
C.
NG
查看完整题目与答案
【单选题】Only after being asked several times ______ us the story of his strange life.
A.
he could tell
B.
then he told
C.
did he tell
D.
he began to tell
查看完整题目与答案
【单选题】When the customers decide to buy a company's product, they prefer to choose______.
A.
its technical features.
B.
its market ability.
C.
its value-added service.
查看完整题目与答案
【单选题】SI is a ______________ demanding task because many processes need to take place at one and the same moment in time.
A.
cognitively
B.
analytically
C.
systematically
D.
methodically
查看完整题目与答案
【判断题】When a photon breaks a Si-Si bond, a free electron and a hole in the Si-Si bond is created. The result is the photogeneration of an electron and a hole pair (EHP)
A.
正确
B.
错误
查看完整题目与答案
【单选题】Si is organizing
A.
a special team to protect the environment
B.
a meeting to discuss the problem of pollution
C.
an event named “Environment Day”
查看完整题目与答案
【单选题】________ of the two story books are very interesting, so I can't decide which one to choose. [     ]
A.
All
B.
Any
C.
Either
D.
Both
查看完整题目与答案
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