16.(S=Sally,M=Mike) S:Hey,Mike!It's great to meet you in town. (1)
M:Hi,Sally!Well,I'm busy with a survey with some friends in a neighborhood. S: (2)
M:It's about saving the earth.We have interviewed quite a lot of people here. S:I see.(3)
M:Yes.Everyone is doing something to pollute our environment.For example,about 60 percent of people have private cars.They drive at least once a week.And most people use paper napkins(餐巾紙)and this certainly produces a lot of waste. S:(4)
M:Well,more than 30 percent of people don't turn off the lights when they leave home.And some keep the water running while brushing their teeth. S.That sounds bad.(5)
M:You're right.Everyone should take actions now.
A.What else have you learned? B.Oh.what is it about? C.Do they recycle paper in their daily lives? D.We should try to save electricity and water. E.What are you doing these days? F.Only a few people take shopping bags. G.Have you found anything?