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【单选题】
The optimization principle of dynamic programming is ( )
A.
No matter what the initial state and the initial decision are, the future decisions must constitute the optimal strategy for taking the state formed by the first decision as the initial state
B.
Optimization of linear programming
C.
Optimization of integer programming
D.
If all the sub stages are optimal, then the whole stage is optimal
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【单选题】The method of solving dynamic programming is ( )
A.
branch and bound method
B.
reverse order algorithm
C.
simplex method
D.
large M method and two-stage method
【单选题】Why is the scenic area called "Hot Sea"?
A.
The sea consists of several rivers and the temperature is high.
B.
Its wide variety of springs which appears to be a veritable sea.
C.
There is a sea running across the scenic area.
D.
It is a sea that one can enjoy a day’s sailing.
【单选题】Which is positive balancing or positive regulatory energy?()
A.
Shut down power plants
B.
Take solar cells off the net
C.
Cool down thermal masses
D.
Shut down electric furnaces
【单选题】Which is Not correct in the following sentences?
A.
The largest spring is 6.12 meters wide and 1.5 meters deep.
B.
The smallest spring is no bigger than a pearl.
C.
Geological processes led to the formation of springs in different shapes.
D.
The springs got their names only because of their shapes.
【单选题】When using dynamic programming method to solve maxZ=x1x2x3; x1+x2+x3<=10,x1,x2,x3 all integer, the stages can be ( )
A.
one stage
B.
two stages
C.
three stages
D.
four stages
【多选题】Practical examples for direct control of energy technology are()
A.
The European Union energy-efficiency guideline for production technology
B.
The limits of CO2 emissions per distance that a car or a fleet of cars
C.
The ban on conventional light bulbs
D.
German Center for Aerospace sets the price of CO2 at about 80 dollars.
【单选题】When doing Crossing and Kneeling, two people stand face to face, with （ ） meters apart.
A.
2
B.
3
C.
4
D.
5
【单选题】Why did "The Big Boiling Pot" get its name?
A.
The temperature is so high that can cause flesh to separate from skeleton
B.
There is a big pot near the spring.
C.
The local people use the water to boil food.
D.
Its temperature is 90 degrees centigrade