Look and Guess眼力大比拼

請根据提示，猜猜这4张图都是什么？

1. It is a building or room. It has many books and newspapers. People can read in it.

2. It is a kind of profession（职业）. The person is good at driving.

3. It is a white and black animal. It likes eating bamboos.

4. He or she is a doctor. But the doctor only cares for（关心） teeth.