【正文】
w River erosion and bad effects. Para 1 Para 2 Para 3 Para 4 1. Which river is being talked about in the text? Task 3 : Read and listen to the passage. Answer the questions in on P12. The Yellow River 2. What’ s the problem with the Yellow River? 1. Every year, about ___ billion tons of sand flows into the Yellow River. 2. Over time, the removal of sand has caused serious __________. soil erosion 3. In which area has soil erosion almost destroyed farming land? In some areas in Shanxi Province 4. What can people do to help stop soil erosion? Plant trees 5. Why does the writer say 5 yuan is important? Why? Because we can use it to buy a tree, which helps prevent erosion. 6. Which example is given to show that 5 yuan can help to develop a local economy? Jiuchengong Valley Some information about Jiiuchengong Va