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【单选题】
The cost of producing the typical unit of output is the firm’sA.
average total cost.
B.
opportunity cost.
C.
variable cost.
D.
marginal cost.
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【简答题】After the war, fish & chips went to top market and found its way onto the ____________of all classes.
【单选题】By the mid-nineteenth century, the term 'ice-box' had entered the American language, but ice was still only beginning to affect the diet of ordinary citizens in the United States. The ice trade grew w...
A.
The influence of ice on the diet.
B.
The transportation of goods to market.
C.
The development of refrigeration.
D.
Sources of the term 'ice-box'.
【单选题】（ ）是裴斯泰洛齐教学理论的核心，认为教育过程必须从一些最简单的因素开始，逐步提高儿童的认识水平。
A.
道德教育论
B.
自然教育论
C.
要素教育论
D.
活动教育论
【单选题】By the mid-nineteenth century, the term 'icebox' had entered the American language, but ice was still only beginning to affect the diet of ordinary citizens in the United States. The ice trade grew wi...
A.
The influence of ice on the diet.
B.
The development of refrigeration.
C.
The transportation of goods to market.
D.
Sources of ice in the nineteenth century.
【简答题】I. Fast reading By the mid-nineth century, the term “ icebox ” had entered the American language, but ice was still only beginning to affect the diet of ordinary citizens in the United States. The...
【简答题】By the mid-nineth century, the term 'icebox' had entered the American language, but ice was still only beginning to affect the diet of ordinary citizens in the United States. The ice trade grew wi...
【简答题】By the mid-nineth century, the term “icebox” had entered the American language, but ice was still only beginning to affect the diet of ordinary citizens in the United States. The ice trade grew wi...
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