Unit 13 Section A(3a-3b)(课件PPT)-【优翼·学练优】2021-2022学年九年级下册初三英语（人教版）

九年级（下） Go for it! 优翼英语教学课件 Section A (3a-3b) 优翼九年级英语下（RJ） 教学课件 Unit 13 We’re trying to save the earth! 学习目标 Key words & phrases: shark,fin,cruel,harmful,be harmful to,at the top of,chain,the food chain,ecosystem,industry,law,scientific. Key sentences: 1.But do you realize that you are killng a whole shark each time you enjoy a bowl of shark fin soup? 2. But in fact ,around 70 million sharks are caught and traded in this industry every year. To have the awareness of protecting sharks and respecting nature. South China tiger 华南虎 Crested Ibis 朱 鹮 Let’s look at pictures of endangered animals in our country. adj. 濒危的；濒临灭绝的 Warming-up Panda 大熊猫 Brown Eared-pheasant 褐马鸡 Golden Monkey 金丝猴 Chiru 藏羚羊 Do you know anything about them? Free talk What do you know about sharks? Do you think sharks are endangered? Why? What do you think might have caused a fall in the number of sharks? Let's watch a video ! Pre-reading shark/ʃɑ:(r)k / n. 鲨鱼 fins/fInz/ n.（鱼）鳍 new words & expressions Let's read chain [tʃeɪn] n. 链子；链条 cruel [kru:əl] adj. 残酷的；残忍的 new words & expressions Let's read new words & expressions Let's read the food chain [tʃeɪn] 食物链 at the top of 在……顶部或顶端 at the top of the food chain ecosystem [ˈi:kəʊˌsɪstəm] n. 生态系统 WildAid [ˈwaɪldeɪd ] 野生救援协会（美国） WWF (World Wide Fund for Nature) 世界自然基金会 new words & expressions Let's read industry [ˈɪndəstri] n. 工业；行业 science [ˈsaɪəns] n. 科学 scientific [ˌsaɪənˈtɪfɪk] adj. 科学的；科学上的 scientific studies 科学研究 new words & expressions Let's read harmful [ˈhɑ:(r)mfl] adj. 有害的 be harmful to 对……有害 e.g. Smoking is harmful to our health. new words & expressions Let's read What’s happening to sharks? the shark is caught (catch) by people. First, the fins are cut (cut) off by people. Next, 切除 the shark fins are cooked (cook) into the shark fin soup by people. 鱼翅羹 Then, the shark without fins is thrown (throw) back into the ocean by people. Finally, 扔回到…