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【简答题】
国际上有两类城市化扩容模式，一类是以美国、加拿大、澳大利亚为代表的“外延式”，该模式建筑密度较低，主要在两维空间内扩大城市空间容量；另一类是以日本、新加坡和中国香港为代表的“内含式”，该模式既保持城区较高的建筑密度，又充分开发利用地下空间。据此回答1—2题。 1、相对于“内含式”而言，美国、加拿大、澳大利亚之所以采取“外延式”的城市扩容模式，其直接原 因是 [     ] A、城市地价上涨快 B、城市人口增长快 C、地广人稀 D、经济发展水平快 2、若我国也采用“外延式”的城市扩容模式，则 [     ] A、城市中心区萎缩加剧 B、就业困难，失业人数增多 C、土地资源利用率降低 D、交通拥挤、居住条件差
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【判断题】如果微分方程的解中含有任意常数,且所含的独立的任意常数的个数和方程的阶数相同,则称这样的解为微分方程的通解.
A.
正确
B.
错误
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【单选题】在凸轮的主视图主要表达了凸轮的（）
A.
工作曲线
B.
厚度
C.
基圆形状
D.
内部结构
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【单选题】The Leontief paradox states that __________
A.
owners of abundant factor do not gain from trade.
B.
US exports are less capital-intensive than US imports.
C.
prices of factors of production are not equalized across countries.
D.
countries export goods that use available technology inefficiently.
查看完整题目与答案
【单选题】The Leontief paradox:
A.
Suggested that the U.S. exports labor-intensive goods
B.
Was applied to the product life cycle theory
C.
Found that national income differences underlie world trade patterns
D.
Implied that diseconomies of scale occur at low output levels
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【单选题】桡骨头半脱位最常见的年龄是（）
A.
1岁以下
B.
2岁以下
C.
4岁以下
D.
4～6岁
E.
6～10岁
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【判断题】微分方程的通解中所含独立的任意常数的个数必须与微分方程的阶数相同。
A.
正确
B.
错误
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【单选题】微分方程 的通解中所含相互独立的任意常数的个数为( )
A.
2
B.
5
C.
4
D.
3
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【单选题】桡骨头半脱位最常见的年龄( )
A.
10岁以上
B.
5～10岁
C.
4岁以下
D.
2岁以下
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【单选题】The Leontief Paradox
A.
supported the validity of the Ricardian theory of comparative advantage.
B.
supported the validity of the Heckscher-Ohlin model.
C.
failed to support the validity of the Ricardian theory.
D.
failed to support the validity of the Heckscher-Ohlin model.
E.
proved that the U.S.economy is different from all others.
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【单选题】The Leontief Paradox
A.
still accurately applies to today's pattern of U.S. international trade.
B.
refers to the finding that U.S. Exports were more capital intensive than its exports.
C.
refers to the fact that Leontief an American economist had a Russian name.
D.
refers to the finding that U.S. exports were more labor intensive than its imports.
E.
refers to the finding that the U.S. produces outside its Edgeworth Box.
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相关题目：
【判断题】如果微分方程的解中含有任意常数,且所含的独立的任意常数的个数和方程的阶数相同,则称这样的解为微分方程的通解.
A.
正确
B.
错误
查看完整题目与答案
【单选题】在凸轮的主视图主要表达了凸轮的（）
A.
工作曲线
B.
厚度
C.
基圆形状
D.
内部结构
查看完整题目与答案
【单选题】The Leontief paradox states that __________
A.
owners of abundant factor do not gain from trade.
B.
US exports are less capital-intensive than US imports.
C.
prices of factors of production are not equalized across countries.
D.
countries export goods that use available technology inefficiently.
查看完整题目与答案
【单选题】The Leontief paradox:
A.
Suggested that the U.S. exports labor-intensive goods
B.
Was applied to the product life cycle theory
C.
Found that national income differences underlie world trade patterns
D.
Implied that diseconomies of scale occur at low output levels
查看完整题目与答案
【单选题】桡骨头半脱位最常见的年龄是（）
A.
1岁以下
B.
2岁以下
C.
4岁以下
D.
4～6岁
E.
6～10岁
查看完整题目与答案
【判断题】微分方程的通解中所含独立的任意常数的个数必须与微分方程的阶数相同。
A.
正确
B.
错误
查看完整题目与答案
【单选题】微分方程 的通解中所含相互独立的任意常数的个数为( )
A.
2
B.
5
C.
4
D.
3
查看完整题目与答案
【单选题】桡骨头半脱位最常见的年龄( )
A.
10岁以上
B.
5～10岁
C.
4岁以下
D.
2岁以下
查看完整题目与答案
【单选题】The Leontief Paradox
A.
supported the validity of the Ricardian theory of comparative advantage.
B.
supported the validity of the Heckscher-Ohlin model.
C.
failed to support the validity of the Ricardian theory.
D.
failed to support the validity of the Heckscher-Ohlin model.
E.
proved that the U.S.economy is different from all others.
查看完整题目与答案
【单选题】The Leontief Paradox
A.
still accurately applies to today's pattern of U.S. international trade.
B.
refers to the finding that U.S. Exports were more capital intensive than its exports.
C.
refers to the fact that Leontief an American economist had a Russian name.
D.
refers to the finding that U.S. exports were more labor intensive than its imports.
E.
refers to the finding that the U.S. produces outside its Edgeworth Box.
查看完整题目与答案