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【单选题】
C25抗冻混凝土所用砂的类别应为（ ）。A.
Ⅰ类
B.
Ⅱ类
C.
Ⅲ类
D.
Ⅳ类
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举一反三
【单选题】Which of the following is true about the relationship between supply and demand?
A.
A limited supply of a certain product, regardless of its demand, will make consumers want to pay more for it.
B.
Supply for a product is placed in proportion to demand.
C.
When supply exceeds demand, prices inevitabley go up.
D.
When supply exceeds demand, prices inevitably drop.
【单选题】What is the present demand-supply relationship like?
A.
Supply exceeds demand
B.
Demand exceeds supply
C.
Demand and supply strike a balance
【单选题】What is the present demand-supply relationship like?
A.
Supply Exceeds demand.
B.
Demand exceeds supply.
C.
Demand and supply strike a balance.
【单选题】which one of the following statements about supply and demand is true?
A.
if demand increases and supply remains constant, equilibrium price will fall.
B.
if supply increases and demand remains constant, equilibrium price will rise
C.
if demand increases and supply increases, equilibrium quantity will fall
D.
if demand increase and supply decreases, equilibrium price will increase
【简答题】According to the conversation, in the chemical fertilizer market, the demand the supply.
【单选题】What is the present demand-supply relationship llike?
A.
supply exceeds demand
B.
demand exceeds supply
C.
demand and supply strike a balance
【单选题】elasticity of demand or supply is:
A.
a measure of how sensitive the demand for or supply of a product is to a change in its price
B.
a measure of how flexible the demand or supply of a product is when preferences change
C.
a measure of how flexible the firm is with respect to responding to the needs of the consumers
D.
a measure of how well a firm's strategic plan is able to adapt to changes in demand or supply
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