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【简答题】
设函数f(x)在[a，b]上连续，在(a，b)内可导，且f(a)=f(b)=0．求证：(1)存在ξ∈(a，b)，使f(ξ)+ξfˊ(ξ)=0；(2)存在η∈(a，b)，使nf(η)十fˊ(η)=0．
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举一反三
【单选题】The _____ theory argues that the pattern of international trade is determined by differences in factor endowments.
A.
comparative advantage
B.
Leontief Paradox
C.
Heckscher-Ohlin
D.
absolute advantage
【单选题】Factor endowments refer to the extent to which a country:
A.
supports education, research, and development.
B.
develops the infrastructure to support industrialism.
C.
supports free trade.
D.
is endowed with such resources as land, labor, and capital.
【判断题】Factor endowments refer to the extent to which a country is gifted with such resources as land, labor, and capital.
A.
正确
B.
错误
【简答题】淀粉在适当温度下吸水膨胀形成均匀糊状溶液的现象称为____________。淀粉溶液经过缓慢冷却或淀粉凝胶长期放置,会变为不透明甚至产生沉淀,这种现象称为____________。
【判断题】Factor endowments refer to the extent to which a country is endowed with such factors as land, labor, and capital.
A.
正确
B.
错误
【简答题】What's factor intensity? What's factor endowments?
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