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【单选题】
使橡胶分子产生交联，获得弹性的工艺过程称为（）。A.
硫化
B.
塑炼
C.
混炼
D.
压延
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举一反三
【单选题】According to the law of demand:
A.
the intersection of demand and supply establishes the market equilibrium point.
B.
consumers' tastes can influence the quantity demanded.
C.
there is an inverse relationship between price and the quantity demanded.
D.
"all other things held equal" is an important concept.
E.
there is a direct relationship between price and the quantity demanded.
【判断题】"Other things equal, an increase in supply causes a decrease in price" is a normative statement, not a positive statement.
A.
正确
B.
错误
【单选题】"Other things equal, when the price of a good rises, the quantity demanded of the good falls, and when the price falls, the quantity demanded rises." This relationship between price and quantity deman...
A.
equilibrium.
B.
the law of demand.
C.
the relationship between demand and income.
D.
the definition of a normal good.
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