Unit 8 Lesson 4 课件 2025-2026学年冀教版英语七年级下册

Lesson 4 It’s time to protect them! Unit 8 I love nature! 23021 1 To learn about some endangered animals and the reasons for the loss of wildlife. To write an introduction to an endangered species. 01 02 学习目标 To master some new words and phrases. 03 23021 1. Match the words with the pictures. 新课讲授 tiger snow leopard blue whale wolf giant panda Asian elephant Matching 23021 1. Do you know which animals are endangered? Talk with your partner. These animals are all endangered. What are some of the reasons why wildlife is endangered? Try to list them out. Talking 23021 Learning Tips Endangered animals are those that are at risk of dying out. They must be protected to keep our environment balanced. Amur tiger 东北虎 Tibetan antelope 藏羚羊 Pangolin 穿山甲 Chinese alligator 扬子鳄 23021 23021 Loss of wildlife can happen naturally. Dinosaurs, for example, died out about 65 million years ago. Loss of wildlife can happen because of human activity. Expanding housing, industry and farming harms wildlife. A study from 2016 shows that nearly 72% of the endangered animals are at risk because of hunting and fishing. Nearly 62% are endangered by farming, 35% by city development, and 27% by diseases. For example, long-nosed monkeys live in Southeast Asia. They are famous for their large noses. But now, they become endangered because of habitat loss, pollution and hunting. Reading 23021 2. Read the passage and answer the question. What can you find in the 2016 study about the loss of wildlife? ______________________________________________________ The loss of wildlife happens mainly because of human activities. A study from 2016 shows that nearly 72% of the endangered animals are at risk because of hunting and fishing. Nearly 62% are endangered by farming, 35% by city development, and 27% by diseases. 23021 3.Read the passage again and tick the reasons mentioned for the loss of wildlife. □hunting □fishing □littering □fights between animals □diseases □air pollution □farming □city development What other reasons do you think there are? ______________________________________________________ Climate changes, wildlife trade, invasive species, etc. 23021 均表示部分列举,列举对象通常为同类的人或事物。 such as：常位于列举对象之前,列举对象可以是名词(短语)或动词-ing(短语)。 for example：常用逗号与列举对象隔开,可位于列举对象之前或之后。列举对象可以是名词(短语)、动词-ing(短语)等，还可以是句子。 e.g. Some children like junk food, for example, they often eat hamburgers and French fries.一些孩子喜欢垃圾食品，比如，他们经常吃汉堡 包和炸薯条。 I like fruits such as apples, bananas and oranges. 我喜欢水果，例如苹果、香蕉和橙子。 1.for example, such as Language points 23021 die out 灭绝；逐渐消失（指物种、传统等）。 e.g. Dinosaurs died out long ago. die of 表示因疾病、年老等内在原因死亡。 e.g. She died of cancer. die from 表示因外部原因（如事故、受伤）死亡。 e.g. He died from a car accident. die down （风雨、声音等）减弱，平息。 e.g. The noise died down slowly. 2.die短语 23021 n. 丧失；失去；去世；损失 e.g. The loss of her mother was a great blow to her. 母亲的去世对她是一个巨大的打击。 The company suffered a heavy loss last year. 这家公司去年遭受了重大亏损。 His sudden loss of memory worried his family. 他突然失忆，这让他的家人十分担忧。 3.loss 23021 because 连词，引导原因状语从句（后接完整的句子，来说明原因） e.g. I didn't go to school because I was ill. 我因为生病没去上学。 because of：介词短语，后接名词、代词、动名词或 what 引导的名词性从句 e.g. I didn't attend the party because of his rudeness. 因为他的无礼，我没有参加聚会。 She was worried because of not passing the exam. 她因为没有通过考试而担心。 4.because, because of 23021 n. 伤害；损害；危害 e.g. Excessive drinking can do harm to your health. 过量饮酒会对你的健康造成伤害。 v. 伤害；损害；危害 e.g. The noise pollution is harming our lives. 噪音污染正在危害我们的生活。 do harm to 对…… 造成伤害 harm to sb./sth. 对某人 / 某物的伤害 5.harm 23021 “百分数 + of + 可数名词复数” 作主语，谓语动词用复数形式。 e.g. 60% of the apples are red. 60% 的苹果是红色的。 “百分数 + of + 可数名词单数或不可数名词” 作主语，谓语动词用单数形式。 e.g. 40% of the work has been finished. 40% 的工作已经完成了。 30% of the trees in this forest are pine trees. 这片森林里 30% 的树是松树。 6.百分数+of 23021 7.risk 作为动词的用法：risk + 名词 冒…的风险 risk doing sth. 冒险做某事 e.g. He risked his life to save the child. 他冒着生命危险救了那个孩子。 She risked losing all her money. 她冒着失去所有钱的风险。 作为名词的用法：take a risk 冒险 at risk 处于危险中 e.g. Don’t take a risk if you are not sure.如果你不确定，就不要冒险。 The old building is at risk of falling down.这座旧建筑有倒塌的危险。 23021 be famous for 因……而出名（后接出名的原因） be famous to 为……所熟知（后常接人） be famous as 作为……而出名（后常接表示职位、身份等的词） e.g. France is famous for its wine. 法国因其葡萄酒而闻名。 The singer is very famous to young people. 这位歌手为年轻人所熟知。 Yao Ming is famous as a basketball player. 姚明作为一名篮球运动员而出名。 8.famous 23021 4.Search the internet and find more information about long-nosed monkeys to complete the card. Name: Proboscis monkey Habitat: Southeast Asia Foods: ________________________________ Characteristics: __________________________ Living situation: □extinct □endangered Protection: _____________________________ leaves , fruits, seeds, etc. long noses , reddish-brown fur, long tails make laws, build natural reserves Search and complete 23021 23021 The Proboscis monkey is a special kind of monkey. It lives only on the island of Borneo in Southeast Asia. Male Proboscis monkeys have big and long noses, while females' noses are small and upturned. They usually live in groups and are good at swimming. They mainly eat leaves and some fruits. However, they are now endangered. One main reason is habitat loss. People cut down many forests for farming and building houses, so the monkeys lose their homes. Also, some people hunt them for food or other uses. We should try our best to protect them, like setting up more nature reserves, so that they can live safely. 4.Introduce the long-nosed monkey to your partner. Introducing 23021 5.Work in pairs. Find information about an endangered species. Write an introduction to it. Useful expressions: • It gets its name from… • It lives in… • Its population is… Pair work 23021 Sample: The golden monkey gets its name from its beautiful golden fur. It lives in the forests of Sichuan, Shaanxi, and Gansu Provinces in China. These lovely creatures mainly eat leaves, fruits, and flowers, and they live in groups and are active during the day. Unfortunately, its population is less than two thousand because of habitat loss and illegal hunting. To protect them, China has set up nature reserves and made laws against hunting. We should all take action to save these unique animals before it’s too late! 23021 1. There is a lot of w____________ in the nature reserve. 2. Tigers will h____________ for food on their own if they live in the wild. 3. The development of i____________ brings more jobs for young men. 4. Eating too much junk food will do h____________ to your health. 5. It's dangerous to go through the forest at night. We can't take a r____________. ildlife　 unt　 一、单词拼写 ndustry　 arm　　 isk 当堂检测 23021 二、完成句子 1. 有些动物由于疾病濒临灭绝。 Some animals are endangered _____________________. 2. 例如，篮球在世界上很受欢迎。 Basketball，_____________________，is very popular in the world. 3. 恐龙很久以前就灭绝了。 Dinosaurs _____________________ a long time ago. by diseases for example died out 4. 杭州因西湖而著名。 Hangzhou ______________________ the West Lake. 5. 由于栖息地丧失，熊猫处于危险之中。 The pandas are ___________________ because of the loss of habitat. is famous for at risk 23021 ✍ Finish and polish your composition. ✍ Preview the next lesson. Homework 23021 Lavf58.46.101 Lavf58.46.101 $