A few young people are talking about their best friends on the Internet.    Zhao Jun is my best friend.He enjoys travelling（旅游）a lot.He thinks he can learn a lot of things from travelling.Last month，he went to Xi'an on vacation.He said he ate much delicious food and learned much about Chinese history there.He hopes to go to Chengdu next year. —Li Zhi    My best friend Han Xin is more outgoing than me.She likes making friends，because she thinks friends can make her happy.She lives more healthily than me.She goes to bed early，likes playing sports and goes to the dentist once a year. —Ma Lan    Zhu Kai，my best friend，is as friendly as me.We often go to the old people's home on weekends.What's more，he is a man of many talents.He can sing about 130 English songs，play the guitar and play chess. —Su Lei

（1）What did Zhao Jun learn in Xi'an？

He learned much about Chinese history.

He learned much about Chinese history.

（2）Why does Han Xin like making friends？

Because she thinks friends can make her happy.

Because she thinks friends can make her happy.

（3）How often does Han Xin go to the dentist？

Once a year.

Once a year.

（4）Where do Su Lei and Zhu Kai often go on weekends？

They often go to the old people's home on weekends.

They often go to the old people's home on weekends.

（5）What is Zhu Kai like？

He is friendly and talented.

He is friendly and talented.