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【单选题】
我国在江苏、浙江的一些海滩上引种栽培大米草，主要因为大米草是一种优良的（）。
A.
杂粮作物
B.
牧草
C.
纤维植物
D.
海滨先锋植物
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
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