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> 试题题型：未知难度等级：夏天中午光照强，光合作用反而下降，原因是（　　）A．温度过高B．气孔关闭C．水分吸收减少D．叶绿素被破坏夏天中午光照强，光合作用反而下降，原因是（　　） A．温度过高 B．气孔关闭 C．水分吸收减少 D．叶绿素被破坏

问题：

发布时间：2024-09-12

试题题型：未知难度等级：

夏天中午光照强，光合作用反而下降，原因是（　　）A．温度过高B．气孔关闭C．水分吸收减少D．叶绿素被破坏

夏天中午光照强，光合作用反而下降，原因是（　　）

A．温度过高 B．气孔关闭

C．水分吸收减少 D．叶绿素被破坏

参考答案：

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