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【单选题】
What can be inferred from the whole passage?A.
The baron is a selfish man.
B.
The art collection is so eye-catching just because it can bring much income to the exhibitor.
C.
The baron has the finest art collection in the world.
D.
Britain is the second country which will display the art collection.
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举一反三
【单选题】For the structure shown in the figure, the stiffness of each member is as shown. If displacement method is used to analyze the structure, the coefficient【图片】 in the equation is:【图片】
A.
6 i
B.
7 i
C.
10 i
D.
13 i
【单选题】The physical meaning of the coefficient in the typical equation of displacement method is:
A.
Member end force or moment caused by unit displacement.
B.
Reaction force or moment of additional restraint caused by unit displacement.
C.
Member end force or moment caused by unit load.
D.
Reaction force or reaction moment of additional link caused by unit load.
【单选题】The following information for advertising and sales has been established over the past six months: Using the high-low method which of the following is the correct equation for linking advertising and ...
A.
Sales revenue = 62,500 + (25 × advertising expenditure)
B.
Advertising expenditure = – 2,500 + (0.04 × sales revenue)
C.
Sales revenue = 95,000 + (20 × advertising expenditure)
D.
Advertising expenditure = – 4,750 + (0.05 × sales revenue)
【判断题】The equation of Carothers method is derived based on an asumption that gelation occurs when the degree of polymerization becomes infinitely large.
A.
正确
B.
错误
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