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刷刷题刷刷变学霸
举一反三
【单选题】Water Resource Humanity uses a little less than half the water available worldwide. Yet occurrences of shortages and droughts (干旱) are causing famine and distress in some areas, and industrial and agr...
A.
build big lakes to store water
B.
construct big pumping stations
C.
build small and cheap irrigation systems
D.
channel water from nearby rivers to cropland
【单选题】下图为我国季风区某地地质剖面图，读图回答下列各题。 该地区在温暖湿润气候条件下易形成的地貌类型及其特点是（）
A.
黄土地貌千沟万壑
B.
喀斯特地貌崎岖不平
C.
丹霞地貌顶平身陡
D.
雅丹地貌垄槽纵横