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【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
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刷刷题刷刷变学霸
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【单选题】下列关于四肢CT扫描范围的叙述,错误的是()
A.
扫描长骨时不应包括相邻关节
B.
扫描定位像时应包括关节及相邻长骨
C.
股骨扫描范围自髋关节上缘至膝关节下缘
D.
骨盆扫描范围自髂嵴至小转子平面
E.
腕关节扫描范围自尽桡骨远端至掌骨体
【单选题】The dynamic programming model includes ( )
A.
Decision variables and state variables
B.
Decision variables and deviation variables
C.
Decision variables and goal variables
D.
Target variable and deviation variable
【单选题】Which are not the kinds of geothermal features?
A.
fumaroles, steaming surfaces
B.
boiling springs, fountains, hot water sinters
C.
hydrogeothermal outbreaks and poisonous gas pores
D.
various microelements
【多选题】What difficulty arises when one looks at the design of emission allowance trading systems in Europe?()
A.
Prices too high.
B.
Important countries are not participating.
C.
Only industries with low emissions are included.
D.
The EAUs were first assigned to the companies without costs.
【多选题】Which helps to approach an appropriate price?()
A.
Threshold for a real impact on behavior 30 to 40 dollars per ton
B.
Summing up investigations range between 18 and 330 dollars per ton
C.
Willingness-to-pay method
D.
Extreme marginal costs when going over a tipping point
【单选题】Why do springs emit a distinctive odor?
A.
The springs contain various microelements.
B.
There are rotten creatures in the springs.
C.
There are waste materials on the surface of springs
D.
The springs release poisonous gas.
【单选题】Using dynamic programming method to solve maxz=8x12+4x22+x33; x1+x2+x3<=20,x1,x2,x3>=0 ,the optimal solution ( )
A.
x1=0,x2=0,x3=20
B.
x1=0,x2=20,x3=0
C.
x1=20.x2=0,x3=0
D.
x1=10; x2=10; x3=0
【多选题】Which are important sources of renewables?()
A.
Fossil fuels
B.
Biomass
C.
Terrestrial heat
D.
Nuclear energy
【多选题】Advantages of an energy turnaround are()
A.
Consequences of climate change disappear completely.
B.
New sustainable economic growth
C.
Decentralization reducing vulnerability
D.
Cheap, sustainable, reliable energy for future generations