如图漫画蕴含的道理是（    ）

阅读理解A
    I'm Linda．I can't find my keys．I lost them this morning．There is a Lost and Found box in our classroom．My keys may (可能)be in the box．
    Oh, there are many things in the box．This is a pencil box．What color is it? It's yellow．That is a white eraser．And what's that? It is a watch．A picture of a CD is on it．It's Sara's．Wow! I find my keys．One is to my classroom，and the other (另一个)is to my house．That green cup is Jack's．This baseball is his，too．I will(将)ask him to take his things．Three rulers, two pencils and two nice pens are also in the box．Whose are they? I don't know．
根据材料内容判断正误。

已知集合A={f（x）|f（x）=x，x∈1，5}与集合B= $\left\{g\left(x\right)|g\left(x\right)=\frac{x}{2}+1,x\in 1,5\right\}$ ，设函数y=max{f（x），g（x）}（即取f（x），g（x）中较大者）．

下列实验方案不合理的是（   ）

“有心栽花花不开，无心插柳柳成荫。”在此俗话中，柳树的繁殖方式是(    )