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【单选题】
When doing Beat 2 of the big Waist-twining Beating, lift up the right foot and withdraw to the right rear side with a distance about 40cm away from the left foot, point the tiptoe to ( ) degrees on the ( ).
A.
30right
B.
45right
C.
45left
D.
30left
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A.
正确
B.
错误
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【单选题】When the generator is running with load, there is only energy () between the generator and the load.
A.
Consumption process
B.
Exchange process
C.
Consumption process and exchange process
D.
Not necessarily
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【单选题】The array (λ1,,λ2……,λn)are the judgement coefficients in the optimal table of the canonical form original problem (max problem) , and the judgement coefficients of relaxation variables are(λn+1,λn+2,…...
A.
(λ1, λ2,……λn)
B.
(-λ1,-λ2,……,-λn)
C.
(-λn+1,-λn+2,……,-λn+m)
D.
( λn+1,λn+2,……,λn+m)
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【单选题】During symmetrical load operation, the impedance of salient pole synchronous generator is in the order of ().
A.
B.
C.
D.
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【单选题】How many streams are there in Mount Canshang?
A.
13
B.
19
C.
18
D.
20
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【单选题】How did Mount Cangshan get the name?
A.
The mountain has 19 peaks.
B.
The mountain is covered by the luxuriant vegetation.
C.
There are glaciers on the mountain top .
D.
There are a variety of wild animals in the mountain.
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【单选题】If the objective coefficient of a basic variable in the optimal basis of linear programming problem changes, then ( )
A.
The test number of this basic variable changes
B.
The test number of other basic variables changes
C.
The test numbers of all non-basic variables change
D.
The test numbers of all variables change
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【判断题】When doing Beat 1 of the big Waist-twining Beating, land the right foot on the ground sufficiently.
A.
正确
B.
错误
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【单选题】The relationship between leakage resistance , armature reaction reactance and synchronous reactance of synchronous generators ( ).
A.
>
>
B.
>
>
C.
>
>
D.
>
>
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【单选题】The main function of sensitivity analysis of linear programming is to analyze the influence of the change of linear programming parameters on ( ).
A.
regularity
B.
feasibility
C.
feasible solution
D.
optimal solution
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