问题
名词解释
辅助蜜源植物
答案
参考答案:
花期短,数量少,面积小,只能维持蜂群生活和繁殖,不能或只能取得少量商品蜜的蜜源植物。
辅助蜜源植物
参考答案:
花期短,数量少,面积小,只能维持蜂群生活和繁殖,不能或只能取得少量商品蜜的蜜源植物。
看图选择最佳答案。 |
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![]() | ( )2. —Is it Fanny's marker? — . A. Yes! It's his marker B. Yes! It's not her marker C. Yes! It's her marker |
![]() | ( )3. —Where is Mary? —She is in the . A. classroom B. gym C. library |