A: Do you know which is the biggest country in the world?

B: Yes, Russia is the biggest country. And I also know that Canada is second biggest, China, my motherland is the third biggest country in the country.

A: Really? Could you tell me something about China? I really want to know more about it.

B: Of course! In the north-west you find the hottest and driest places in the country. In the west, the countryside becomes more and more beautiful. The mountains become higher and higher. There are mountains more than 7,000 meters high. Ice and snow cover them and people can’t live there.

A: Are there some very famous mountain in the world?

B: Yes, Mount Qomolangma is here in the west. It’s the highest mountain in the world.

A: Oh, it’s full of miracle. And some rivers?

B: Yes, there are two important river named the Changjiang River and the Yellow River.

A: Do you know the biggest and deepest ocean in the world?

B: Yes, the Pacific is the biggest and deepest ocean in the world. The Pacific Ocean has more than half of all water in the world.