单项选择题

The aim to build the Panama Canal was to connect America and Panama.（）

A.正确
B.错误

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单项选择题

If Gambinia has many workers but very little land and even less productive capital, then, following the Heckscher-Ohlin model, we predict that Gambinia will export ______________.

A．both labor- and land-intensive goods.
B．capital-intensive goods.
C．both capital- and land-intensive goods.
D．labor-intensive goods.

单项选择题

对于需求价格弹性较小的产品，以下（）项表述是错误的。

A．价格变动对销售收入不产生影响
B．日用必需品需求价格弹性小
C．价格变动对需求量影响不大
D．又称为缺乏弹性的需求