《在传统与变革之间——英国文化模式溯源》一书描写道：“大贵族的所有利益已经在下院得到很好的代理……工业和商业的利益却几乎全无代表！他们是国家最重要的利益所在，是国家财富和力量的源泉。相比之下他们的代表不足，而和国家的累赘有千丝万缕联系的每一项利益，却又代表得足而又足。”这表明

    I asked many classmates and friends, “What do you think you will be1you grow up?”2of them told me what they would like to be in the future,3others said, “I don't know.” I'm4to hear that because I think it's bad. I think5dreams or hopes about the future will help us do better at school.

    6middle school students, it's time for us to7what we want to be in the future. If we know it better, we will know8to do it better at school. For example, if you are outgoing and like to meet people, you can be a9in the future. Then you should practice10more articles. If you're11with children and like12, you can teach English as a job in the future. And then you should work harder13English. If you want to14many interesting places, you can be a guide.

    Of course, all the15that we are learning at school will be useful in the future, so we should work hard at all of them.

下列函数中是偶函数且在$\left(0,+\infty \right)$上单调递增的是 （    ）