设全集U={O，1，2，3，4，5}，集合A={2，4}，B={y|y=${\log }_{\sqrt{3}}\left(x-1\right),x\in A$，则集合（∁_∪A）∩（∁_∪B）=（　　）

      Yesterday when my son and I were eating dinner, I saw a policewoman walking past our house. A woman with a1look was following her.
      I opened the 2 , went out and asked if everything was OK. The policewoman said that the woman's3 had gone missing(失踪) an hour earlier. I said that we hadn't seen the girl, but wecould4.Iexplained to my son that we couldn't finish our5 right then. He said,” Be a kind person, Dad. "We got in our car and6 the girl all over the town. Along the way,a group of chil­dren were playing.  7they heard what had happened, they said they would help8 . They rode their bikes and joined us. 9 the little girl was found safe a few miles away. I was so 10to see many people help a stranger. It is a nice world.

①任何自由都是条件的

②在世界上，不受任何约束，随心所欲的自由是根本不存在的

③人们只在恰到好处的约束范围内活动，才能获得真正的自由

④鱼儿能跃到陆地上，鸟能飞出大气层