I'm Kate, and my sister____(be) Gina. I'm tidy, but Gina____(be not). In our room, my books and tapes____(be) in the bookcase. My ____(key) are in my schoolbag. I ____ (have) a clock. It's on the desk. ____(Gina) books are everywhere ----on____(she) bed, on the sofa and under the chair. The white model plane is____(she). It's under the desk. “Where are my keys? Where're my ____(ruler)? Where's my schoolbag?” Gina always ____(ask).

找出不同类的单词.

读某城市用地变化示意图，回答下列问题。

已知函数$f\left(x\right)=\left\{\begin{array}{c}{2}^x,x\ge 0\\ x^2,x<0\end{array}\right.$则$f\left(f\right(-2\left)\right)=$（     ）