Unit2 Topic 2 课文详解课件2023-2024学年仁爱科普版九年级英语上册

Unit 2 Topic 2 单击添加副标题 汇报人：小明 202X Section A Kangkang, Maria and Jane are talking in a room. The wind outside is blowing strongly. Maria: What a strong wind! Kangkang: Yes. But it's better than the last few years. There was sandstorm before. While I was walking down the street, I couldn't see anything. The sand really hurt my face. Maria: Why was the weather so bad? Jane: People cut down too many trees. As a result, a lot of rich land changed into desert. Trees can stop the wind from blowing the earth away. blow 吹 blow out吹灭 blow away吹走 What+a/an+adj.+n.!感叹句 比……更好 沙尘暴 sand n.沙子 storm n.风暴 当我走在街上的时候 砍倒 cut down砍倒 cut into 切成 cut off切断 cut up切碎 因此 change……into将……变成 stop ……from +v.ing阻止 因此，很多肥沃的土壤变成了沙漠。树木可以阻止土壤被吹走。 Kangkang: And a lot of water can be saved by forests. Jane: Trees can also stop the water from washing the earth away. Maria: Cutting down tree affects the weather so much. Kangkang: Yes. It is harmful to human beings, animals and plants. Although there were sandstorms before, now we have built “ the green Great Wall”. Our environment has become much better. be+过去分词+by “被……” 被保存 树木同样也能阻止水土流失。 v. 影响 effect n.影响 have an effect on sth. 对……有影响 这对人类，动物，植物都有害。 尽管 绿色长城 环境 Setion B Michael: Kangkang, read this article. Kangkang: What's it about? Michael: It's about enviroment in our city. It says that the condition of the air has become better than before. Although we are one of the largest producers and users of coal， the air pollution has been under control. Kangkang: Yeah, The government has done something useful to protect the environment. 文章 这是关于什么的？ the condition of ……的条件 尽管 one of+ the+最高级+可数名词复数，动词用单数 尽管我们是最大的最大的煤炭生产者和使用者之一， be under control 在……控制 be under control在控制之下 be out of control失控 做了一些有用的事 保护 Michael: That's great. None of us likes pollution. Kangkang: Yes, we shouldn't leave rubbish here and there. Don't spit anywhere in public. Don't walk on grass or pick flowers. Everyone should care for wild animals and plant more trees. Michael