Unit 1 The Changing World 课时1 Section A 1a-2d 课件＋音视频英语新教材人教版九年级上册

Learning Objectives通过本节课的学习，学生能够：1.能听懂两段有关家乡变化的对话，获取对话中关于交通、医疗、购物、环境等方面的过去与现在的对比。初步感受 used to 结构（学习理解）。2.能根据听力内容完成任务表格，能使用 used to 与 now / 现在完成时 进行过去与现在对比（应用实践）。3.能讨论家乡各项变化产生的原因，能提出改善环境问题的个人想法（迁移创新）。What’s the video talking about?1. How are these two photos different?The two photos show a big difference. The big photo has a long river with clean water and the land is covered with green grass and beautiful trees. Everything is full of life. The small photo looks lifeless. There is only one tree and no water.2. Why do you think these places changed so much?3. How has your hometown changed over time?In the past, the land was dry. There was no water and few plants. Now, the land is green and full of life. The river is clean, and many plants are growing.Thanks to the government’s support, local people worked hard to plant trees and protect nature.The photos show changes in Li Rui’s hometown over the years. What are they? How do they make you feel?land is dry/barrenfew green treesonly one buildingcovered with trees and plantsfresh airgreen homeDiscussWhat changes have taken place in your hometown?new bridgenewroadelectricityDiscussWhat changes have taken place in your hometown?Now, we will listen to a short telephone conversation in 1b. Listen then answer the questions. 1.Why does George call Li Rui?2.What is the relationship between George's father and Li Rui's grandfather?3.When did George's father last visit the place?He calls to ask if Li Rui can be a guide for him and his father.They were good friends.20 years ago.1bListen again and check the answers. 1bLiRui: Hello, George.George: Hi, Li Rui. Guess what? My father, Bob, and I are going to visit your hometown. Could you be our guide?Li Rui: Sure! I’d love to!George: Wonderful! You know, my father’s last visit was about 20 years ago. He became a good friend of your grandfather.Li Rui: Grandpa will be so happy. They haven’t seen each other for ages!George: Yes, and my father really wants to see how the place has changed since he last visited.When visit? Why call?What relationship?nearly 40 minutesgo to the big city far awaygood placessand half a dayan hour15 minutes hospitalsupermarket beautiful trees被… 覆盖过去常常到达Listen again and check the answers. 1cLi Rui: What do you think of your trip so far?Bob: Amazing! When I first visited here, it took half a day to reach the town. Now, with the new roads, it takes only an hour.Li Rui: Yes. When I was a child, the bus took nearly 40 minutes over rough roads to get to school. Now, it takes only 15 minutes.George: Life is much easier!Li Rui: Not only that. We used to have to travel far to see a doctor, but now our town has built a new hospital.Bob: Great! And didn’t I see a supermarket down the street?Li Rui: Yes. We didn’t have any good places for shopping until 10 years ago.Bob: But the biggest change is on the hills. They used to be covered with sand.Li Rui: And now they have been covered with beautiful trees!New SupermarketNew HospitalNew Roadsshorter timeGreen HillsLi Rui'shometownHow do you think they happened?Discussion1dRank the following problems from 1 to 4, with 1 being the worst. Give your reasons.Discussion2adestroy everythingcan’t grow enough food.makes farming and daily life very hard.can learnListen to the conversation between George’s father and Li Rui’s grandfather. What problems in 2a did they mention?2bThere used to be sandstorms all the time... There are fewer sandstorms now...the fields were getting smaller and smaller.the environment is getting better.Listen again and fill in the table. How has the environment affected local lives?2csandstormsfields 从那以后在政府支持下handlongholdareasmachinesbiggertreesfewerbetterListen again and check the answers. 2cBob: I’m amazed by how green your hometown has become!Grandpa: Have you seen the corn fields outside of the town yet?Bob: Yeah! They’re huge!Grandpa: There used to be sandstorms all the time, and the fields were getting smaller and smaller. Then, after one big sandstorm, we decided to do something.Bob: What did you do?Grandpa: We found a small bush. It had long roots that could hold the soil together. We began planting it in sandy areas. The government provided support too.Bob: Wasn’t it difficult to plant so many bushes?Grandpa: Yes, it was. At the beginning, we worked by hand. Later, we had machines to help. We have planted many bushes and trees since then. There are fewer sandstorms now and the environment is getting better. It has also improved our lives. Everyone has become richer and happier.New SupermarketNew HospitalNew Roadsshorter timeGreen HillsPastActionResultDiscussionChanges in Li Rui’s hometown.Let’s thlk.2d Discuss how the problems in 2b were solved.A: My city is lovely.B: What are some of the special places there?A: Well, there’s a concert hall there. It’s been around for at least 20 years.A: The area used to be covered with sand.B: What did they do to solve this problem?A: They planted bushes and trees. The land has become ...Every big change starts with a small step.The future of our hometown is in our hands.What change do you want to see in your hometown?What can you do to help?Let’s thlk.Work in pairs. And discuss about the changes according to the table below.Traffic (交通)Public facilities (公共设施)Environment(环境)Changes When I first visited here, it took half a day to reach the town. Now…When I was a child, the bus took nearly… . Now, it takes … We used to have to travel far to see a doctor, but now… We didn’t have any such places for shopping until 10 years ago.But the biggest change is on the hills. They used to be ... And now they …Show timeSummaryChanges in Li Rui’s hometown.1. They used to go to the big city far away to see a doctor.used to do sth. 表示：过去常常做某事（但现在不做了）。1. 肯定句：过去有 / 过去做结构：主语+ used to + v.原形 They used to walk a long way to see a doctor.（他们过去常常走很远的路去看病。）2. 否定句：过去不 / 没有结构：主语+ didn't use to + v.原形 They didn't use to have a big shop.（他们过去没有大商店。）3. 一般疑问句：过去…… 吗？ 结构：Did + 主语+ use to + v.原形?Did you use to play football? （你过去常常踢足球吗？）Let’s learn and take notes2. The hills were covered with sand. be covered with... 含义：被…… 覆盖着（强调状态）。The hills were covered with sand. (过去，小山被沙子覆盖着。)They are now covered with green grass and trees. (现在，它们被绿草和树木覆盖了。)The snow covered the ground. (雪覆盖了地面。) Let’s learn and take notes3. since then时间状语短语，从那时起（直到现在），同义词 from then on常与现在完成时连用。He moved to Shanghai in 2010 and has worked there since then.Since then, the village has built two new schools.4. improve动词，改善；提高。名词 improvement；形容词 improved。常见搭配：improve one‘s life / improve the environment / improve skillsRegular exercise can improve your health.The government is trying to improve the public transportation system.Let’s learn and take notes5. since then时间状语短语，从那时起（直到现在），同义词 from then on常与现在完成时连用。He moved to Shanghai in 2010 and has worked there since then.Since then, the village has built two new schools.1. My uncle ________ live in the city, but now he enjoys his life in the countryside.A. was used to  B. used to  C. is used to  D. use to2.— When will you return my book?— Sorry, I ________ it yet. I’ll finish it tonight.A. haven‘t finished  B. didn’t finish  C. don‘t finish  D. wasn’t finishing3.It ________ Hob half a day to reach the town when he first came here.A. takes B. took C. has taken D. was taking4. — You’ve made great progress in English. How did you do that? — I ________ to read an English story every night before bed. Little by little, my reading got better and better.A. used  B. remembered  C. failed  D. decided一、单项选择BABD1. The hills __________ to be __________ with sand many years ago.2.At first, they didn‘t have modern tools, so they had to do all the farm work __________ __________.3. As the students cleaned up the park, the rubbish bin became fuller and fuller, and the park became __________ and __________.4.Terrible sandstorms once appeared ______________ (一直) in this small town.5.Lots of trees _______________(plant) on the hill every year.二、完成句子used covered by handcleaner cleanerall the timeare planted HomeworkNeed to do:和伙伴练习课堂对话,逻辑清晰的表达Changes in Li Rui’s hometown.Choose to do:邀请你的家庭成员(父母或祖父母)描述他们家乡至少2个变化，然后用英语描述。See you !