Unit2Topic2SectionA课件2023-2024学年仁爱科普版英语九年级上册

Unit 2 Saving the Earth Unit 2 Topic 2 All these problems are very serious. n.沙 n. 沙暴 n. 沙漠 v. 遗弃，舍弃 conj.虽然，尽管，即使 v.减少，减轻 adv.彻底地，完整地 转换成，变成 人，人类 New words in Section A sand sandstorm desert desert   although reduce completely change into human being (s) 1. /sænd/ 2. /ˈsændˌstɔːm/ 3. /'dezət / /dɪ'zɜːt/ 4. /ɔːlˈðəʊ/ 5. /rɪˈdjuːs/ 6. /kəmˈpliːt/ 7. 8. 1. change…into… 转换成，把……变成 大量肥沃的土地变成了沙漠 A lot of rich land has changed into desert. /'dezət / n. 沙漠 /dɪ'zɜːt/ v.舍弃, 摒弃 change into = turn into 变成… change … into… = turn … into… 把…变成… 寒冷的天气把水都变成冰了。 The cold weather changed / turned water into ice. 2. human being 人 human beings 人类 3. although [ɔːl'ðəʊ] conj.虽然，尽管 though 4. reduce [rɪˈdjuːs] v.减少；减轻 减少浪费 reduce waste 5. completely adv.彻底地；完整地 彻底灭绝 die out completely sandstorm How is the weather? It’s terrible. There are sandstorms. Do you know how sandstorms come into being? sandstorms There used to be many trees. People have cut them down. many trees cut down forests gone wash the earth away 冲走 The forests have gone. The water has washed the earth away. change into desert 转换成，变成 沙漠 A lot of rich land has changed into desert . sandstorms come into being wash the earth away many trees change into desert forests gone sandstorms come into being cut down trees ( ) ( ) ( ) ( ) ( ) ( ) 1 2 4 3 5 6 P36 3 The boy and girls are talking about —————. different types of sandstorms the reasons for sandstorms sandstorms in different cities 1b Listen to 1a and choose the best answer. Focus on the main idea of the conversation when you listen for the first time. √ （Kangkang, Maria and Jane are talking in a room. The wind outside is blowing strongly.） M： What a strong wind! 风刮得猛 K：Yes. But it’s better than the last years. There were sandstorm before.While I was walking down the stree