Vertical farming does not need as much land as traditional f

Vertical farming does not need as much land as traditional farming.A.True B.Fals

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()根据儿童道德认知发展的阶段性提出了“道德两难法”。

()根据儿童道德认知发展的阶段性提出了“道德两难法”。A.罗杰斯 B.皮亚杰 C.科尔伯格 D.马斯洛

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