A:没有垂直结构
B:有垂直结构
C:植物没有分层现象
D:只有竹子一个层次
看图读一读。填空。
super long toy bears robot don't
A: Good morning. Can I help you?
B: Yes.
A: Do you like ____?
B: No, I ____. I like robots. They're ____.
A: Look at this ____. Its legs are ____. It can run. It's cool. Do you like it?
下列实验操作及现象合理的是 ( )
已知m+n=2,mn=﹣2,则(1﹣m)(1﹣n)的值为( )
湖 糊 葫
____芦 模____ ____水