Lesson 42 The Great Green Wall Answer the questions: 1 How do forests help prevent drought? 2 How can forests prevent floods? 3 What does “the Great Green Wall” mean? 4 Why has China built the “Great Green Wall”? 5 How long and how wide is the Great Green Wall? 6 Why is the Great Green Wall so important? 7 How did Wang Feng feel when he was talking about their future in Yulin? 8 What will happen to the mountain and people’s lives there in a few years’ time? Language points: 1 hear of 听说 hear from: hear sb. do sth. 听到某人做某事 2 keep/stop/prevent…from doing…阻止…做 3 wash away 4 in this way 5 across :横过,横穿 through: 从物体内部穿过 It’s dangerous to go _____ the road when the traffic lights are red. The train is running ______ the tunnel. 6 数词+n.+adj. The wall is three meters high. The boy is 8 years old. 7 toward/towards: 向,朝 forward backtoward uptoward northtoward 8 The more, the better. the +比较级, the+比较级. “越是…, 就越…” In fact, the busier he is, the happier he feels. The sooner, the better. 9 in few years’ time “在几年之后” in…’s/s’ time 在某段时间之后 I will be back in a week’s time. In a few years’ time, these students will work in different places. 10 point to :指远处, 强调方向 point at :指近处, 强调对象, 可以用做point…at She was pointing her finger ___ me. He pointed___ the house on the other side of the road. 11 thank to+n./pron.= because of…, with the help of… Thanks to your help, I finished the work on
