A:So has she; so you have
B:So she has; so have you
C:So has she; so have you
D:So she has; so you have
1号瓶
2号瓶
3号瓶
4号瓶
处理方法
10粒种子,拧紧瓶盖
10粒种子,适量的水,拧紧瓶盖
10粒种子,较多的水拧紧瓶盖
室温
低温
想一想: