Watch and answer the following questions.
What is the main idea of the talk?
a. There are many kinds of paper towel dispensers.
b. You should follow two steps to use a paper towel correctly.
c. People waste too much paper.
d. We should use recycled paper to dry our hands.
According to Joe Smith, how many paper towels do Americans use each year?
a. 130 million.
b. 13 billion.
c. 30 billion.
Joe Smith wants each person to use one less paper towel per day. If we do this, how many pounds of paper can we save in a year?
a. 571,230,000
b. 57,100,230
c. 517,130,000
How many recycled paper towels do people normally use to dry their hands?
a. Three
b. Four
c. Five
What is special about the paper towel dispenser Smith describes in the building?
a. It stops dispensing as soon as you tear.
b. It is smarter than people.
c. It dispenses half towel.

