Unit 2 Topic 1 Section A课件- 2025-2026学年仁爱科普版英语九年级上册

Unit 2 Saving the Earth Topic 1 Pollution has caused too many problems. Section A I、掌握以下单词和短语：mess, several, pour, waste, shame, bee, butterfly, villager, destroy, cut down, pollute, goodness, see sb./ sth. do sth....等。 II、能用一般过去时和现在完成时描述一个地方发生的变化。 III、能正确使用use there be sb./sth. doing sth. Ⅳ、能认识到环保的重要性，运用相关的语言表达方式，小组合作，角色扮演讲述一个地方污染变化的影响。 Learning aims: Pre-listening Several years ago, this village was a mess. several /'sevrəl/ det./pron. 几个，数个 mess /mes/ n. 肮脏，杂乱；困境 There were several factories pouring waste gas into the sky. pour /pɔ:/ v. 倒出；倾泻；不断流出 pour...into...把...倒入... waste /weɪst/ v. 浪费；adj. 废弃的，无用的 waste-wastes-wasting-wasted-wasted The villagers destroyed the grass. The farmers cut down the trees. This factory polluted the air and rivers. villager /'vɪlɪdʒə/ n. 村民，乡下人 cut down 砍到 pollute /pə'lu:t/ v. 污染 mess n. 肮脏，杂乱；困境 several det.&pron. 几个，数个 pour v. 倒出；倾泻；不断流出 waste adj. 废弃的，丢弃的，无用的 v. 浪费 shame n. 羞耻，羞愧 bee n. 蜜蜂 butterfly n. 蝴蝶；蝶泳 villager n. 村民，乡下人 destory v. 摧毁，破灭 cut down 砍倒 pollute v. 污染 goodness n. 天啊；啊呀 New words Start the trip 摧毁 杂乱 污染 倒出 While-listening Listen to 1a and mark the words with P (Past) or N (Now). ____ beautiful ____ butterflies ____ grass ____ factory ____ bees ____ fresh ____ clean ____waste water P (Past) N(Now) N N N P N N N P 1b Read 1a and complete the sentences in the table. Then retell 1a to your partner. Two years ago Now 1. It was a _______________. 2. There were several ____________________ pouring ____________ into the stream. 1. The air is ________ and the water is _________. 2. You can see _________________dancing. 3. ________________ has changed. mess chemical factories waste water fresh clean bees and butterflies Everything 1c Group work. Read 1a and find the phrases. 限时记忆3 mins see sb doing sth 6.看见某人正在做某事 cut down 2.有某人正在做某事 3.把...倒入 4.废水 there be sb/sth doing sth pour...into waste water 5.真遗憾！ 1.真是一团糟！ What a mess! 7.砍倒 What a shame! 短语记忆检测 see sb doing sth 6.看见某人正在做某事 cut down 2.有某人正在做某事 3.把...倒入 4.废水 there be sb/sth doing sth pour...into waste water 5.真遗憾！ 1.真是一团糟！ What a mess! 7.砍倒 What a shame! Watch and follow I have heard it has become a beautiful place. There are lots of flowers and grass. Listen, look and say. Kangkang, where shall we go? (Kangkang, Jane, Maria and Michael are planning a picnic for Sunday.) What about the West Hill? I went there two years ago. It was a mess. There were several chemical factories pouring waste water into the stream. What a shame! 1a in a mess 处于混乱状态 make a mess 弄得一团糟 There be + sth./sb. + doing sth. 有某人/某物正在做某事 there be sth. to do. 有某事要做(还未做） Sounds great! Let's go there. (On Sunday, they come to the West Hill.) Oh, what a beautiful place! The air is fresh and the water is clean, and you can see bees and butterflies dancing. Everything has changed. Do you want to have a picnic here? Of course. see sb. doing sth. 看见某人正在做某事 see sb. do sth. 看见某人做了某事或常常做某事 （watch, look at, hear, listen to, find, notice 等词用法相同) A. Listen to the sentences and number the pictures. 5 2 3 6 4 1 3 B. Listen again and complete the sentences. 1. People _____ _____ _____ trees. Now I have enough leaves to eat. 2. I live in trees. People have stopped ______ ______ trees. So I have more family members. 3. Leaves and grass __________ many years ago. But now they have come back. I can have enough food. 4. I have found more bamboo on the mountain. I don’t have to ______ ______ ______ any more. 5. In recent years, I _____ _____ ______ ______ to make the sea clean again. 6. I couldn’t live in the river because it _____ _____ _____ for me to live in. Now it has become clean again, so I am safe. have planted more cutting down disappeared worry about food have seen people’s effort was too dirty 3 Post-listening Work in pairs. Look at the pictures and make up conversations similar to the example with your partner. village/flowers and grass villagers/destroy Example: A: The villagers destroyed the flowers and grass when I visited the village last year. B: But now _________________________________ A: What has happened here? B:___________________________________________________________________________________________________________________ the flowers and grass have come back. The villagers have learned that they were wrong. And they have done a lot to make the village a better place. 2 Work in pairs. Look at the pictures and make up conversations similar to the example with your partner. hill/trees farmers/cut down A: The farmers cut down many trees when I visited the hill last year. B: But now _________________________________ A: What has happened here? B: __________________________________________________________________ the trees have come back. The farmers have planted many trees on the hill. 2 Work in pairs. Look at the pictures and make up conversations similar to the example with your partner. city/lake/fish factory/pollute A: The factory polluted the lake and lots of fishes died when I visited the city last year. B: But now _________________________________ A: What has happened here? B: __________________________________________________________________ there are lots of fishes in the lake. The factory has gone. 2 Group work. Now let's work in groups and talk about pollution in a place you are familiar with. The following sentences may help you. Finish 4. Oh, my goodness! ...ago it was... Now, … have/ has gone. What has happened? Everything has changed. 我的天呐！ You can do it like this: It was...when...years ago. ...polluted/ destroyed/cut down/ poured.... But now,...have/ has come back. What has happened. ...have/has learned...that ...to make...a better place. Everything .... 根据汉语提示或用所给单词正确形式填空。 Exercises 1. Look! Can you see many birds________(dance) in the tree? 2. These factories are________waste water ______rivers.（把...倒入） 3. There are some old men________(play) cards under the tree. 4. People have________（砍倒）too many trees, so the animals don’t have enough ________(leaf) to eat. 5. The boys ________(destroy) the garden for two hours to catch the bees and butterflies. dancing pouring into playing cut down leaves have destroyed 翻译下列句子。 Exercises 教室里有一些学生正在看书。 _______________________________________________. There are some students reading books in the classroom. 河里有很多人在游泳。 _______________________________________________. There are some people swimming in the river. 请把水倒进杯子。 _______________________________________. Please pour the water into the cup. Summary We learn: We can: 1. Some words: bee, butterfly, mess, shame, several, pour, waste, villager, destroy, pollute, goodness... 2. Some phrases: cut down, see sb. doing sth. , pour…into… 3. Some sentences: There are…doing… 1. Express exclamation: What a mess! What a shame! Oh, my goodness! 2. Know the differences between Simple Past and Present perfect. It was a beautiful place. Everything has changed. Homework 1. Recite the new words and phrases. 2. Recite the dialog in 1a. Write a passage according to Part 4. 3. Finish Section A in the workbook. 4. Preview Section B. Lavf59.27.100 Packed by Bilibili XCoder v2.0.2 null 59819.285 null 117633.055 $