1 . 听下面一段独白，回答以下小题。
1. Where were some of the earliest pots found?

A．In a cave.

B．On a farm.

C．In a river.

2. What do Majiayao mostly look like?

A．Thick and dark.

B．Orange and black.

C．Small and colorful.

3. When were the first examples of white and blue china probably made?

A．About twenty thousand years ago.

B．About five thousand years ago.

C．About two thousand years ago.