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梯田是因地制宜发展农业生产的典范。上图是四种不同类型梯田的剖面示意图，下图是某地等高线地形图。读图回答题。 小题1:下图中甲区地形适合修筑的梯田类型是 A．水平梯田 B．坡式梯田 C．隔坡梯田 D．反坡梯田 小题2:在黄土高原缓坡上修筑反坡梯田的优点是 A．保土效果更好 B．修筑难度小 C．利于机械化耕作 D．便于灌溉施肥
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