Unit 8 Lesson 3课件- 2025-2026学年冀教版初中英语八年级上册

该初中英语课件围绕“环境保护”主题，核心讲解动词不定式作目的状语，通过图片对比（荒无人烟土地与绿色山林）导入，引导学生观察差异并思考原因，以塞罕坝案例为学习支架，串联词汇（如hardly、inspire）、语法及主题内容，构建知识脉络。 其亮点在于融合文化意识（塞罕坝精神培育家国情怀）、语言能力（词汇变形、短语释义及语法练习提升表达）和思维品质（问题链分析塞罕坝变迁培养推断能力），采用时间轴梳理历史、对话活动巩固知识，助力学生提升综合素养，教师可高效推进教学。

Protecting the environment Unit 8 Lesson 3 The green miracle A What’s the difference between the two pictures? The first picture shows a deserted(荒无人烟的) land. The second one shows green mountains and trees, and a clear blue sky. It’s more beautiful. Look at the pictures and answer the questions. Look and answer B What do you think led to the difference? Maybe people planted many trees to change it. Also, they did more to protect the environment. Look at the pictures and answer the questions. Look and answer lead - led - led lead to 导致 Saihanba, located in the far-northern part of Hebei Province, became a green miracle. 1. Where is Saihanba located? 2. What did it become? It is located in the far-northern part of Hebei Province. It became a green miracle. 塞罕坝 最北部的 n.奇迹 Around the late 1950s, you could hardly see a tree or a flower anywhere in Saihanba. In 1962, the local government decided to change this dead land into a forest. To carry out the task, a group of 369 foresters, mostly in their 20s, was organised. 1. What was Saihanba like around the late 1950s? 2. What did the government decide to do in 1962? 3. How many foresters carried out the task? There were almost no trees or flowers. It decided to change this dead land into a forest. 369 foresters. 大约在20世纪50年代末 n.政府 decide to do决定做某事 change ... into把...变成 n.土地，着陆 一组，一群 实施 n.林务员 in one’s 20s/twenties在某人20多岁时 1.Around the late 1950s, you could hardly see a tree or a flower anywhere in Saihanba. 大约在20世纪50年代末，在塞罕坝几乎看不到一棵树、一朵花。 hardly adv.几乎不；几乎没有(常与can、could 连用) hardly ever 很少；几乎从不 hardly...when... 刚……就…… e.g. He hardly ever arrives late, always being early. 他几乎从不迟到，总是提前到达。 Hardly had I sat down when the phone rang.我刚坐下，电话就响了。 hardly 副词 “几乎不”，表示否定含义 hard 副词 努力地；猛烈地 形容词 困难的；坚硬的 e.g. I can hardly hear you over the noise.噪音太大，我几乎听不清你说话。 She had a hard life. 她过着艰苦的生活。 You should study hard if you want to get good grades in the exam. 如果你想在考试中取得好成绩,就应该努力学习。 7 2. In 1962, the local government decided to change this dead land into a forest. 1962年，当地政府决定将这片废弃的土地变成森林。 dead adj. 死气沉沉的；无生命的(反义词alive adj. 活着) e.g. The tree lost all its leaves and now it looks dead. 这棵树掉光了所有的叶子，现在看上去死了。 e.g. The fish in the tank are all alive and swimming happily. 鱼缸里的鱼都活着，游得很开心。 dead 形容词，强调的是“死”的状态，意为“死的；无生命的”。 die 不及物动词，强调的是“死”的动作，意为“死；去世”，一般指因生病、负伤等原因死去。 death 抽象名词，意为“死；死亡”，通常作不可数名词。 dying 形容词，表示“垂死的；将死的”。the dying 临终者 8 “At the very beginning, I did not realise that the working conditions would be so harsh and the weather so bad,” said Zhao Zhenyu, one of the first-generation foresters. But they never gave up. The foresters carried on, overcoming the challenges of the land. They used science and technology to help trees to survive harsh conditions. The Saihanba people worked hard with their hearts and minds for more than half a century. 1. What does Zhao Zhenyu do? 2. How long did it take them to complete the task? He was one of the first-generation foresters. For more than half a century. 起初 工作条件 adj.恶劣的，严酷的 第一代 放弃 继续 克服 挑战 n.科技，技术 v.存活，幸存survival n.生存，存活 恶劣的条件 n.世纪，百年 4.At the very beginning, I did not realise that the working conditions would be so harsh and the weather so bad. 一开始，我没有意识到工作条件会如此艰苦，天气会如此恶劣。 condition n. 条件；状况 e.g. The employees have good conditions of service. 雇员有良好的工作条件。 be in (a) bad / good condition 处于糟糕的/ 良好的状态 be out of condition 不在状态 living / working condition生活/工作条件 mental / physical condition 精神/身体状况 The Saihanba Spirit inspired the foresters to complete the difficult task. Saihanba is now the largest human-made forest in the world. It plays an important role in environmental protection. People can enjoy fresh air, birds singing, and beautiful scenery there. 1. What is Saihanba like now? 2. What can people enjoy there? It is now the largest human-made forest in the world. Fresh air, birds singing, and beautiful scenery. n.精神 in the spirit of 本着……的精神 v.完成 人工的，人造的 在…中起重要作用 环境保护 n.风景 inspire v. 鼓舞；激发 inspire sb to do sth 鼓舞/ 激励某人做某事 e.g. She thinks the story will inspire others to help. 她认为这个故事会激励他人伸出援手。 inspiring adj. 鼓舞人心的 inspiration n. 灵感；鼓舞人心的人（或事物） e.g. Last year’s school play was truly inspiring. 去年的校园剧非常鼓舞人心。 We love the museum because it’s full of inspiration. 我们喜欢这个博物馆，因为它充满灵感。 8.The Saihanba Spirit inspired the foresters to complete the difficult task. 塞罕坝精神鼓舞着护林人完成了艰巨的任务。 now 1962 around the late 1950s People could ___________ a tree or a flower anywhere The local government decided ________________________________________________ Saihanba is ___________ _____________________ __________________. hardly see to change this dead land into a forest the largest human-made forest in the world Read the sentences and pay attention to the parts in yellow. Read and think ● To carry out the task, the government organised a group of 369 foresters. ● The Saihanba Spirit inspired the foresters to complete the difficult task. inspired sb. to do sth. 接宾语后再跟to do 说明做某事的原因或目的 Read and learn We use the to-infinitive to express purpose(目的). We also use the to-infinitive after certain verbs. Some verbs are followed by a direct object（直接宾语） and then the to-infinitive. 动词不定式作目的状语 除了作宾语之外，动词不定式还可以在句中作目的状语，表示行为动作的目的。不定式既可放在句首，也可放在句尾。 · He went to the supermarket to buy a pen. 他去超市买了一支钢笔。 · To get to school on time, he left home without breakfast. 为了准时到校，他没有吃早饭就离开家了。 动词不定式作目的状语，表示“做某事是为了什么” 16 拓展：动词不定式作目的状语，除了直接使用to do sth. 外，还可用in order to do sth. 和so as to do sth. 来表示，其否定形式为in order not to do sth.；so as not to do sth.。 · He closed the window in order to stay warm. 他关上窗户取暖。 · In order not to miss the early bus, he got up early in the morning. 为了不错过早班车，他一大早就起床了。 · They came in quietly so as not to wake up the children. 他们悄悄地进来，以免吵醒孩子们。 拓展：to/in order to/so as to 之间的转换 · He got up early to catch the early bus. =He got up early in order to catch the early bus. =He got up early so as to catch the early bus. =To catch the early bus, he got up early. =In order to catch the early bus, he got up early. 他为了赶上早班车早早起床。 用法 例词 否定形式 例句 表目的 直接跟在动词之后 借助助动词：don’t/ doesn’t/ didn’t+实义动词+to do sth. 接宾语后再跟to do 实义动词+宾语+ not to do sth. want, hope, plan, decide, agree, wish, learn, try, choose To improve math, I do exercises every evening.为了提高数学成绩，我每晚都做题。 I hope to visit my grandparents this Sunday.我希望这周日去看望爷爷奶奶。 ask, tell, teach, invite, advise, 动词不定式的三种常见用法 Complete the table based on the provided information. Read and complete The teacher asks us to hand in homework on time.老师要求我们按时交作业。 Choose and fill 1 I study hard ____________ my grades. 2 She exercises daily _________ fit and healthy. 3 We can ask our family members ___________ water. 4 They save money _________ a new car. 5 _________ the morning train, they get up very early. 6 I expect her _________ a skilled musician. to improve to stay not to waste to buy Fill in the blanks with the correct forms of the verbs. waste catch become improve buy stay To catch to become 1. We need ________ (plant) more trees ________ (make) the air cleaner. 2. My parents asked me __________ (finish) my homework before 9 p.m. 3. I got up early this morning __________ (catch) the first bus. 4. She hopes __________ (travel) to the UK with her friends next summer. 5. The teacher told the students __________ (not talk) loudly in the library. Fill in the blanks with correct forms of the verbs. to plant to make to finish to travel Practice to catch not to talk Jenny: Do you know about Saihanba? Li Ming: Yes. It used to be a deserted land around the late 1950s. Jenny: Really? That's hard to imagine. What happened next? Li Ming: ______ the government organised many foresters and started planting trees. Jenny: Did they meet any difficulties? Li Ming: Of course. The working conditions were so harsh and the weather was bad. But scientific and technological methods helped trees ______. Jenny: How brave the foresters were! What is Saihanba like now? Li Ming: Nowadays, Saihanba is not only the largest human-made forest but also a popular tourist spot. Jenny: Wow, I want ______. A. to survive harsh conditions B. to visit it someday C. To change the situation C A B Green miracle in Saihanba Lavf58.20.100 Lavf58.46.101 $