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【单选题】
全局变量是相对于( )语块作用域来说的,使用关键字( )进行声明A.
循环 for
B.
条件 if
C.
跳转 break
D.
函数 global
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举一反三
【单选题】The best reason that leads to a larger gap between organ demand and supply is
A.
in prosperous and middle-income countries, more and more people die of various diseases.
B.
in prosperous countries, the supply of organs reduces for the fewer traffic accident deaths.
C.
there is a larger and larger demand while the supply seems to become less and less.
D.
more and more nations begin to take measures to ban the once legal sale of organs.
【单选题】If demand and supply both increase, the:
A.
equilibrium price will decrease while the quantity produced and sold could increase, decrease or remain constant.
B.
quantity produced and sold will increase while the equilibrium price could increase, decrease, or remain constant.
C.
quantity produced and sold will decrease while the equilibrium market price could increase, decrease, or remain constant.
D.
equilibrium price will increase while the quantity produced and sold could increase, decrease, or remain constant.
【单选题】184 _____ is based on information gathered and analyzed about demand and supply. This forecast provides a prediction of short and long term prices and the underlying reasons for those trends.
A.
Demand forecast
B.
Price forecast
C.
Supply forecast
D.
Production forecast
E.
None of the above
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