经济运行主体，可以分为()三个层面。

A、个人、企业、社会

B、个人、企业、国家

C、个人、企业、经济

D、个人、社会、国家

Soccer is one of the most popular sports in our modern world. But many years ago, each country had its own kind of soccer game with its own hales.

In 1863, a group 0f people met in England. They made some changes (改变) to the game. They made one set of new rules for every country to follow. After that, soccer teams from different countries could play against each other.

Some of the rules are still the same today.

Now teams from all over the world take part in the World Cup every four years. It' s one of the most important things for all soccer fans.

小题1:Soccer is the only popular sport in our modem world.

小题2:After 1863, soccer teams from different countries could play against each other.

小题3:Today, the World Cup is one of the most important things for all soccer fans in the world.

小题4:The topic of this article is about the World Cup.