下列结论错误的是（　　）

以下行为能正确体现合作与竞争关系（   ）                    

看图读一读，判断句子正误。

    Hi, I'm Sally. On my way to school, I can see some trees, they're green and brown. I can see some clouds(云). They're white. I can see a bike. It's under the tree. It's blueand black. I can see a yellow cat, it's in the tree. I can hear a plane. I canhear a dog. I can hear a car and a bus, too.

3²，（﹣2）²，0，|﹣6 $\frac{1}{2}$ |，﹣3.5，（﹣1）¹⁰，﹣2³

数轴表示：

排列顺序：