The form and physiology of leaves vary according to the______in which they develop: for example, leaves display a wide range of

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问题 The form and physiology of leaves vary according to the______in which they develop: for example, leaves display a wide range of adaptations to different degrees of light and moisture.

选项 A、relationship
B、species
C、patterns
D、environment

答案D

解析 句意:树叶的形状和牛理机能随着外界环境的改变而改变。例如:树叶会随着光线和水分的不同而做出多种调整。environment环境,外界。relationship关系;关联。speies物种;种类。pallem模式;图案;样品。
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