设$f\left(x\right)=\left\{\begin{array}{c}2e^{x-1},x<2\\ {\log }_3(x^2-1),x\ge 2\end{array}\right.$，则不等式$f\left(x\right)>2$的解集为  （   ）

直流电路如图所示，在滑动变阻器的滑片P从图示位置向右移动时．电源的（   ）

大庆适宜发展的工业是

    I'm Yangyang. I like table tennis. I don't like skipping. I have a bike, and I like riding my bike. My father likes swimming. He likes tea and coffee. My mother likes skipping. And she likes her brown cat .