2021年秋人教版八年级上册英语教学课件 Unit 7 Section A 2a-2d

1、Section A 2a-2dSection A 2a-2d u To learn to make predictions. u To learn to express quantities with more, less, fewer. u To live a carbon life to protect our earth. Objectives n. 预言 Free talk Lets make a prediction about the future. n. 未来 He studies at home _ _.on computers 直升机式的帽子直升机式的帽子 可以快速地带你可以

2、快速地带你 到达目的地到达目的地 。 Lets share more fun predictions about the future. 衣服能自动换衣服能自动换 成时新样式成时新样式。 四条腿的裤子保证你随时随地可以休息四条腿的裤子保证你随时随地可以休息。 变成一身健康的古铜色皮肤只需几秒钟变成一身健康的古铜色皮肤只需几秒钟。 Listen and circle the words you hear. 1. There will be (more / less / fewer) people. 2. There will be (more / less / fewer) free time.

3、 3. There will be (more / less / fewer) cars. 4. There will be (more / less / fewer) pollution. 5. There will be (more / less / fewer) trees. 2a 1. There will be fewer people. _ 2. There will be less free time. _ 3. People will use the subways less. _ 4. There will be more pollution. _ 5. Cities wil

4、l be very big and crowded. _ Listen again. Check ( ) the predictions you hear. 2b Listen again,write T for true,F for false. 1.Here are some students predictions about the future.( ) 2.There will be more cars and subways because of more people.( ) 3.Less pollution will be good for the earth.( ) 4.Co

5、untries will be big and crowded because there will be a lot more people.( ) T T F F Make conversations about the predictions in 2a and 2b. A: Whats your prediction about the future? B: I think there will be more pollution. A: Really? I dont think so. But I think there will be fewer trees. 2c There w

6、ill be more trees on the _.earth Which opinion do you agree? There will be fewer trees in the future. There will be less pollution in the future. There will be more pollution in the future. Nick: What are you reading, Jill? Jill: Its a book about the future. Nick: Sounds cool. So what will the futur

7、e be like? Jill: Well, cities will be more crowded and polluted. There will be fewer trees and the environment will be in great danger. 2d Role-play the conversation. Nick: That sounds bad! Will we have to move to other planets? Jill: Maybe. But I want to live on the earth. Nick: Me, too. Then what

8、can we do? Jill: We can use less water and plant more trees. Everyone should play a part in saving the earth. 1) What is Jill reading? 2) What will the future be like according to the book? 3) What can people do to save the earth? Read the conversation then answer the following questions. Hes readin

9、g a book about the future. Cities will be more crowded and polluted. There will be fewer trees and the environment will be in great danger. We can use less water and plant more trees. Everyone should play a part in saving the earth. Read and try to recite the conversation in 5-10 minutes. 1. Role pl

10、ay the conversation in groups; 2. Role play the conversation in front of the class Lets see which group does the best. Fill in the blanks according to the conversation. Jill is reading a book about the future. Can you imagine what _ the future _ like? Cities _ _ more crowded and polluted. There _ _

11、fewer trees and the environment _ _ in great danger. _ we _ _ move to other planets? What can we do to live on the earth? We can use _ water and plant _ trees. Everyone should _ _ _ _ saving the earth. willbewill be will be will be Willhave to play apart in less more 1. “there be” ” 句型一般将来时的表达句型一般将来

12、时的表达: : 肯定句肯定句: There will be 名词名词(短语短语) 否定句否定句: There will not / wont be 名词名词(短语短语) 一般疑问句一般疑问句: : Will there be 名词名词(短语短语)? Yes, there will. / No, there wont. Will there be fewer trees? There will be more people. There wont be money. Everything will be free. 意思意思用法用法比较级比较级最高级最高级 few一些（否定）一些（否定）修饰修饰

13、可数名词可数名词fewerfewest little 一些（否定）一些（否定） 修饰修饰不可数名词不可数名词lessleast many许多许多修饰修饰可数名词可数名词moremost much许多许多修饰修饰不可数名词不可数名词moremost 2. fewer与与less及及more表数量的用法表数量的用法 例例: a few days ago, for a few weeks He has few friends here. There will be fewer trees. 1) few，形容词形容词，带否定含义带否定含义“几乎没有几乎没有，很少的很少的”， 修饰可数名词。其比较级、

14、最高级为规则变化：修饰可数名词。其比较级、最高级为规则变化： fewfewerfewest 。 “ “a few”表示表示“一些一些”。 2) Theres little food left. We have to buy some. Theres a little water in the cup. There will be less pollution. little，形容词，形容词, ,带否定含义带否定含义“很少的，几乎没有的很少的，几乎没有的” “小的，幼小的小的，幼小的”，修饰不可数名词。其比较级、，修饰不可数名词。其比较级、 最高级为不规则变化最高级为不规则变化: : littl

15、elessleast。 “a little”表表 一些一些”。 3) There will be more people on the earth in the future. More and more students start to exercise more everyday to keep fit. many “许多许多”，修饰可数名词。，修饰可数名词。 much “许多许多”，修饰不可数名词。，修饰不可数名词。 many / more 比较级、最高级为不规则变化：比较级、最高级为不规则变化： many / much moremost 3. play a part in 参与某事参

16、与某事 China plays a more and more important part in the world. 现在中国在世界上担负着越来越重要的角色现在中国在世界上担负着越来越重要的角色 Everyone should play a part in protecting the environment. 4. Whats your prediction about the future? 你对未来有什么预测？你对未来有什么预测？ prediction是是predict 的名词形式。有的名词形式。有“预言、预料、预测预言、预料、预测” 之意。之意。 例如：例如： Sales were

17、 five percent lower than predicted. 销售额比预计的低销售额比预计的低5%。 Newspapers predicted that Davis would be re-elected. 报纸预测戴维斯将再次当选。报纸预测戴维斯将再次当选。 5. Everyone should play a part in saving the earth. 每个人都应当尽一份力来拯救地球。每个人都应当尽一份力来拯救地球。 play a part in 是一个固定结构，表示是一个固定结构，表示“参与参与； 在在中尽自己一份力量中尽自己一份力量” ” 例如：例如： She play

18、s an active part in teaching these poor children. 她积极参加对这些贫穷孩子的教学工作。她积极参加对这些贫穷孩子的教学工作。 He didnt play a part in making this decision. 他并没有参与做出此决定。他并没有参与做出此决定。 1)will + do 表将来表将来 2)There be 句型的一般将来时句型的一般将来时 Will there be .? No, there wont. / Yes, there will. 3) more, less, fewer的用法：的用法： 可数名词可数名词前用前用mo

19、re/fewer，不可数名词不可数名词前用前用 more/less. Summary I. 根据句意用括号内所给单词的适当形式填空。 1. There will be more cars in the future. I disagree. I think there will be _ (few) cars. 2. I think there will be_ (robot)everywhere in 50 years. 3. There will be more _(pollution) on earth. 4. I will have _(little) free time next month than this month. robots pollution less fewer II. 英译汉，并写一写。 1. Will people use money in 100 years? No, they wont. 2. Kids wont go to school in the future. Theyll study at home on computers. 3. Everyone should play a part in planting trees. 4. There will be mo