问题标题:
Treescan___waterinthesoil,sothestrongwindcan'tblowtheearthaway.选什么?ApreventBprotectCsaveDkeep
问题描述:
Treescan___waterinthesoil,sothestrongwindcan'tblowtheearthaway.选什么?
ApreventBprotectCsaveDkeep
汪芳子回答:
D保持水土
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