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。
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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。 |
 | ( ) 1. — Peter, is this your pencil? — . A. No, it is my pencil B. No, it's not my pencil C. No, it's not her pencil |
 | ( )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 |