A:植物体、器官、液泡
B:器官、组织、细胞
C:器官、组织、细胞液
D:植物体、组织、细胞质
基因型为Aa的高等植物体产生的雌雄配子的比例是
阅读判断,用“正确”或“错误”表示。
This is my classroom. It is not small. The windows are clean. There are many pictures in the classroom. We clean the door every day. I come to the classroom early in the morning. I do my homework in the classroom in the afternoon. I like my classroom.
— How can I stay in shape?
— A well-balanced diet together with regular exercise ______ you'll make it.