用种子繁殖的植物,其种子内的胚是由下列哪一结构发育来的 [ ] A.精子 B.卵 发布时间:2017-05-20 23:00 │ 来源:www.tikuol.com 题型:选择题 问题: 用种子繁殖的植物,其种子内的胚是由下列哪一结构发育来的 [ ]A.精子B.卵细胞C.受精卵D.子房
题型:选择题 million lose gold sing go few real friend we care Tom is looking forward to ()China because he likes Chinese culture. 查看答案