Rebecca wants to know more about trees and how they help us. Dr Jones is telling her something about trees.
Trees help us many ways. They keep the air cool and clean. They take in （harm） gases from the air and produce oxygen for us （breathe）. They are major （fight） against air （pollute）. Besides, trees can also make our lives even （convenient）. Many of the things in our daily lives come from trees. For example, paper and pencils. （actual）, we get a lot more from trees. We get fruit and oil from them. Tea also comes from the leaves of trees. Look around this room. A lot of the furniture is （make） of wood. Trees are really important in our daily lives. So we can't imagine the world would be like if there were no trees.
However, we cut down millions of trees every year. We must stop to protect them we don't want a world without trees.
