Unit 13 Were trying to save the earth!,Section B 1 1a-1e,Dont use paper napkins.,What can we do to help save the earth?,You can help reduce pollution by putting that soda can in different bins.,Leave your car at home. Take a bus or ride your bike to work.,Turn off the lights when you leave a room.,Turn off the shower while you are washing your hair.,recycle books and paper,v. 回收利用；再利用,What can we do to help save the earth? Rank these items from the easiest (1) to the most difficult (5).,_ stop r
