A: ______小题1:! B: So it is. The wind is blowing strongly with lots of sand. I couldn’t see anything, and my face hurt while I was walking down the street just now. A: I’m sorry to hear that. But ______小题2:? B: People have cut down too many trees. As a result, lots of rich land has changed into desert. A: That’s too bad, but______小题3:? B: Trees can stop the wind from blowing the earth away. And a lot of water can be saved by forests. They can also prevent the water from washing the earth away. |