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2.从运输业与社会总产品的生产和国民收入的创造关系看，以下描述准确的是（）。

A. 运输业参与社会总产品的生产和国民收入的创造，增加社会产品实物总量
B. 运输业不参与社会总产品的生产和国民收入的创造，增加社会产品实物总量
C. 运输业不参与社会总产品的生产和国民收入的创造，不增加社会产品实物总量
D. 运输业参与社会总产品的生产和国民收入的创造，不增加社会产品实物总量

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1.运输业的产品是（）。

A. 旅客人公里和货物吨公里
B. 旅客发送量和货物运送量
C. 旅客和货物在时间上的节省
D. 旅客和货物的空间位移

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Which of the following is not a zone in an open ocean ecosystem?

A. benthic
B. photic
C. neritic
D. aphotic
E. intertidal

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As urbanization increases, natural soil surfaces are covered with impenetrable materials like concrete. As a result, the groundwater supply

A. decreases due to increased evaporation
B. increases due to decreased evaporation
C. decreases due to decreased surface runoff
D. increases due to increased surface runoff
E. decreases from the loss of recharge area

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The oceanic zone in which I would find an organism like a crab, octopus, or clam would be the

A. benthic
B. pelagic
C. oceanic
D. neritic
E. profundal

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2.从运输业与社会总产品的生产和国民收入的创造关系看，以下描述准确的是（ ）。

1.运输业的产品是（ ）。

Which of the following is not a zone in an open ocean ecosystem?

As urbanization increases, natural soil surfaces are covered with impenetrable materials like concrete. As a result, the groundwater supply

The oceanic zone in which I would find an organism like a crab, octopus, or clam would be the

2.从运输业与社会总产品的生产和国民收入的创造关系看，以下描述准确的是（）。

1.运输业的产品是（）。