一组数据2，x，4，3，3的平均数是3，则这组数据的中位数、众数、方差分别是（   ）

短文改错。

例： Jim get up at seven in the morning.         gets

    I live in the country and my father was ____ a farmer. He is now forty—five year ____ old. Because of years of hard work, he looks old ____ than his age.When I was young, he use ____  to tell me the importance of study. Father knows little about English and other subject____ . But he usually gives me some good advices ____ on how To learn my lessons good____. He is not only kind to me But also very strict with me. With the____  help, I've made great progress. I'll never forgot ____ what he taught me. I think my father is a ____ best father in the world.

The meeting room is ____ ____ ____ ____ .