1 . 听下面一段独白，回答以下小题。
1. Why is the baobab’s trunk really fat?

A．It is shaped by people.

B．It stores a large quantity of water.

C．It must be strong enough to support the tree.

2. What is the full height of a baobab?

A．About 12 metre.

B．About 15 metre.

C．About 30 metre.

3. What are baobabs often used as nowadays?

A．Shops.

B．Wildlife habitats.

C．Bus shelters