1 . 听下面一段独白，回答以下小题。
1. What does the speaker mainly talk about?

A．The development of clocks.

B．The importance of clocks in modern life.

C．The reasons why clocks are less popular.

2. Which country is the birthplace of the first clock?

A．China.

B．Germany.

C．Greece.

3. When was the first most widely used watch invented?

A．In the 10th century.

B．In the 14th century.

C．In the 16th century.

2 . When was tea first discovered as a drink?

A．About 1, 500 years ago.

B．About 3, 500 years ago.

C．About 5, 000 years ago.