题目内容：

Choose the best topic from A to F according to the meaning of the passage.

1.

The world has many beautiful sounds. We can hear the songs of birds and the laugh of people. We can listen to cool music. And it's all because of our ears!

They bring us a world of sounds.

2.

China is famous for tea, both in the past and now. Tea is produced in lots of different areas in China, such as Fujian and Zhejiang Tea plants are grown on the sides of mountains. When the leaves are ready, they are picked by hand or by machine and then are sent for processing.

3.

The ancient Chinese made the world's first toothbrush. They took some hard hair from pigs and fixed it onto a handle. The handle is made of bamboo. Later, toothbrushes were brought to the rest of the world.

4.

When you do nothing, you learn nothing. But when you try, even though you may not be successful, you'll learn what doesn't work. This brings you closer to what will work. It doesn't matter how many times you fail. What matters is that one day you'll be successful.

5. 

Sunglasses are invented in China. Chinese people use smoke to make the glasses dark. But these glasses are not used to keep the strong sunshine out. In those days, only judges wore them and others didn't know what they were thinking.

Real sunglasses didn't come into being until the 20th century.

A.Something about tea

B.Try the best to do everything

C.Ears bring us sounds

D.Who can wear sunglasses

E.Something about sunglasses

F.The earliest toothbrush