作为社区的成员、社会的公民，我们每一个人都从他人、社区和社会那里获得了服务和帮助。因此，我们应该（    ）
①以同样的方式回报他人和社会 ②多履行义务而少享受权利 ③只享受权利而不履行义务  ④承担起关心社会、爱护社会、服务社区、建设社区的义务和责任     

    Jodie doesn't like her job. She is a ____. She____to work in the evening. She has to work on____. She is always busy. She doesn't want to work in a restaurant. It's boring.

    She wants to be an ____. She likes to sing and dance. She likes to work ____ other young people. She wants to be in the pop play. She wants to be known by many people.

    ____ now she can only work in the restaurant. She is very unhappy every day.____ can she do? Can you help her?____a letter to her soon.

已知函数$f\left(x\right)=e^x-1,g\left(x\right)=-x^2+4x-3$ 若存在$f\left(a\right)=g\left(b\right)$，则实数b的取值范围为（   ）