题目内容
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[主观题]
Rainfall and mountain springs were important sources of water in the mountainous areas.
提问人：网友huangweidang
发布时间：2022-01-07
题目内容
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更多“Rainfall and mountain springs …”相关的问题
第2题
After being ________, the particles of water unite and form. clouds; then they fall down in the form. of fog, rain, snow, or hail.
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A、obliged
B、absorbed
C、captured
D、absent
第3题
Which of the following is NOT included among the contribution of terraces?
A、They scientifically minimize the soil erosion.
B、They reduce soil surface runoff.
C、They improve the soil fertility.
D、They decrease water conservation.
第4题
________ invented the alternating fields method.
A、Ban Gu
B、Zhao Guo
C、Fan Shengzhi
D、Lin Zexu
第5题
Concerning the alternating fields method, which of the following are TRUE?
A、Crop seeds are sowed on the ridges in order to help them resist wind and preserve moisture.
B、Crop seeds are sowed in the furrows in order to help them resist wind and preserve moisture.
C、The furrows and ridges of the field are rotated every year.
D、This farming method increases land-use efficiency.
第6题
Terraces can be found in __________.
A、Hunan Province
B、Jangxi Province
C、Guizhou Province
D、Fujian Province
第7题
Which of the following statements are right?
A、The sandy layer on top of sandy fields allows more rainfall to soak into the soil if it rains.
B、The sandy layer on top of sandy fields slows water evaporation down if it doesn’t rain.
C、The sandy layer on top of sandy fields absorbs the sun’s heat into the soil more slowly.
D、The sandy layer on top of sandy fields dissipates the soil heat into the atmosphere more slowly.
