题目内容

在同一条等高线上各点高程()。

A. 不同
B. 相等
C. 相交
D. 无规定

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相邻两条等高线之间的高差称()。

A. 等高距
B. 等高线平距
C. 高程之差
D. 坡度

相邻两条等高线之间的水平距离称()。

A. 等高距
B. 等高线平距
C. 高程之差
D. 坡度

绘制地形图时,等高线可以穿过公路。

A. 对
B. 错

Which of the following descriptions about China’s greening projects is not correct?

A. China’s greening projects were launched 20 years ago.
B. Deforestation in China reduced 7.362 million hectares of trees in 2017.
C. Green constructions, such as returning farmlands to forest andcity parks,are increasing.
D. The greening projects are the respond of the concept of “clear water and green hills are gold and silver mountains” promoted by President Xi.

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