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【多选题】
农用地定级单元划分应遵循的原则主要包括( )。
A.
单元之间的土地特征差异明显，不同地貌类型的土地不划为同一单元
B.
单元边界应跨越地块边界
C.
山脉走向两侧分配有明显差异的不划为同一单元
D.
地下水、土壤条件、盐碱度等定级因素指标有明显差异的不划为同一单元
E.
单元边界可以采用河流、道路、堤坝等线状地物
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【单选题】I couldn't ______ it ______ —did they want our help or not?
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make; off
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【单选题】— What should I do if I want to start a club at school? — Mm, just make sure what club you want to start and _____ by your teacher. [     ]
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查看完整题目与答案