Think of all the food that comes from rain forests. The reading mentions oranges and nuts, but what about all the other fruit? And cocoa beans grow in rain forests. Without cocoa beans there'd be no - gulp! - chocolate!
The sap from the rubber tree is used to make rubber. Think about your life with no tires or kickballs or other things made from rubber.
Take a look at these amazing rain forest facts from Earth.org and National Geographic Kids.
This video also has a bunch of great facts about rain forests.