2020-2021学年Unit 1 If everyone starts to do something, the world will be saved.教课课件ppt

Module 12  Save our world

Unit 1 If everyone starts to do something, the world will be saved.

Teaching objectives

Vocabulary

factory, pollute, recycle, waste, enemy, crop, kill, oil, less, such as, hopeless.

Sentences pattern

① It’s no use talking about the things we can’t do.

② We should stop the factories from polluting the river.

key points and difficult points

1. 领会并灵活使用下列词汇和短语和句型

2. 理解并掌握英语构词法

Teaching background

This module takes environmental pollution as well as environmental protection as the topic. It is about environmental protection through factory environmental pollution, promoting green living, exercise students’ ability of language expression, and improve students ‘ awareness of environmental protection through this unit of listening and reporting activities, provide students with opportunities to experience and use the language.

Teaching Tools

blackboard, tape recorder , cards and multi-media

Teaching procedures

Step 1 Warming up & Leading in

1．Greetings.

2． Lead-in

1. Pollution is our great enemy, and we have to fight it. Ss look at the pictures and talk about the questions.

①What did you see in the pictures?

②What do you think of the pictures?

1） Ask students to show their answers.

2） Give encouragement and praise for good performance.

Step 2 Presentation 

Vocabulary

1.The teacher leads the whole class to learn new words :

factory, pollute, recycle, waste, enemy, crop, kill, oil, less, such as, hopeless.

2.Make students fill in the blanks with the new words and short phrases.

Listening

1. Work in pairs. Look at the pictures and talk about them. Use the words in the box to help you.

1) The students look at the picture and discuss the picture in groups.

2) Choose some students to show their discussions.

3) Give encouragement and praise for good performance.

2.Listen and complete the sentences.

1) Listen to the tape and understand the main idea.

2) Let the students listen carefully and complete the sentences in activity 2.

3) Ask students to work in groups, discuss and give answers to see which group has a high accuracy rate.

4) Let students listen to the dialogue and pay attention to the words' pronunciation and intonation.

Reading

3.Listen and read.

Read the dialogue and complete the notes.

1）Give students 5 minutes to read the passage and find out the important information.

2) Ask the students to check with a partner.

3) Check the answers.

4) Listen to the tape and follow the tape.

 Language points

Let the students read activity 3 again, then find out the main language points and understand their meaning and usage in the text.

1. And in some places, pollution from factories spreads over cities and villages.在一些地方， 来自工厂的污染遍布城市和村庄。

spreads over遍布在..., 复盖在...

What he studied spread over many fields.

他所研究的内容涉及许多领域。

2. Pollution is a danger to our health.   污染有害我们的健康。

a danger to…“对…是一种威胁；有伤害”，相当于be dangerous to

It is a danger to your computer's health. 

=It is dangerous to your computer's health. 

这对你电脑的健康是个威胁。

3. And there’re so many cars in the street. They use so much oil…街道上有很多车，他们使用很多石油…

so many很多

You can’t crush so many people into the classroom.你不能让这么多人挤进教室。

so much很多

辨析：so many与so much

so many 用来修饰可数名词， so much 用来修饰不可数名词。

There was so much noise outside that we couldn’t hear the teacher.

外面嘈杂声很大， 以致我们不能听到老师的话。

He feels nervous when her faces so many people.面对那么多人， 他感到紧张。

4. as well 也；又

拓展：

(1) 相当于too或also, 常位于句末，无须用逗号与句子隔开。I am going to London and my sister is going to as well.

我要去伦敦， 我妹妹也去。

(2) as well 在口语中也可置于句中， 作“也好，也行”或“倒不如”解。用来缓和语气。

You may as well go.你去也好。

(3) As well 也可以直接用于just之后， 用作应答语。可视为(It’s just as well)的省略。作“幸亏，幸而，无妨， 没关系”讲。

—We are too late to see the film.

—Just as well, I hear it isn’t very good.

5. It's no use talking about things we can't do.

    谈论我们不能做的事情是没有用的。

    It‘s no use doing sth.是固定句型，意为“做某事没有用处”。其中it是形式主语，真正的主语是后面的动名词短语。

 It's no use blaming others for your mistake.

     因为你的错误责备其他人是没有用的。

  use sth. for (doing) sth.用某物做某事，相当于use sth.to do sth.

  He often uses the radio for studying English.

         ＝He often uses the radio to study English.他常用收音机学习英语。

6. Such as …？例如……

such as 表示举例，意为“例如，诸如此类的，像……那样的”，相当于like 或 for example。

Eg:Animals such as rabbits and deer continue to  be active all winter.

 像兔和鹿这样的动物整个冬天都很活跃。

There are few poets such as Keats and Shelly.

像济慈和雪莱这样的诗人现在很少了。

7. That means less waste.

(1) less 较小的，较少的； 较少数，较小量

1) less 是 little(小；少)的比较级。

  He spends less time (in) doing experiments.

   他做实验花的时间较少。

2) “less+形容词或副词”构成比较， 译为“较 不，更不”。

    It is less cold than it was yesterday.

   天气不如昨天冷。

3) Less作名词时,表示“较小量，较少量”

 Less than ten of the thermometers remain.

  这些温度计剩下不到十支。

4) less 作介词时,译为“不足， 还差”

Five less two leaves three. 五减去二余三。

The time cycle is a year less three days.

(时间)周期是差三天一年。

8. I don’t think it’s hopeless.我不认为它是没有希望的.

hope可做名词和动词,表示“希望”

(1) 用于表示可能实现的事情,后接从句，用陈述语气。

  I hope I shall see him again. 我希望再见他一次。

(2) Hope 多用于指多好事物的盼望,预想;对坏事物的预想多用I am afraid…

  I hope it will be fine tomorrow.

  我希望明天天气好。

(3) hope 所希望的一般指将来或现在的事情，不指过去的事情。

 I hope he will come. 我希望他会来。

(4) Hope 可用于 hope to do 结构,但不能说 hope sb. to do sth.

 I hope to watch the football match again.

 我希望再看一次那场足球赛。

9. If everyone starts to do something，the world will be saved.

    如果每个人都开始做一些事情，世界将会被拯救。

      本句是含有if引导的条件状语从句的主从复合句。在含有if条件状语从句的复合句中，如果主句是一般将来时，从句则用一般现在时表示将来。

 If it snows tomorrow，we will make a snowman.

   如果明天下雪，我们将堆雪人。

If he comes tomorrow, he will bring some books for me.

如果他明天来，会带些书给我。

Make students read the passage again and find out the important short phrases and read and write them in the shortest time. To find out the winner.

•        用水灌溉庄稼

•        一堂关于环境的课

•        在城市和村庄上空传播

•        导致他们死亡

•        对我们的健康是一种危害

•        引起污染

•        使我们学校成为一所绿色学校

•        帮助贫穷地区的孩子

•        节约能源

•        更少的消费

Step 3 Practice 

4.Complete the passage with the correct form of the words in the box.

1)  Let the students read the dialogue fast and find the words.

2)  Let the students use the words to make sentences.

3)  Let the students read the dialogue carefully and choose the answer.

4) Ask the students to check with a partner.

5) Check the answers.

Pronunciation and speaking

5.Listen and mark the words which the speaker links.

1) Listen to the tape and mark the words which the speaker links.

2) Check the answer.

3) Listen again and repeat.

6. Work in pairs.

   List the pollution problems in your place. Choose one problem and say what should be done about it.

1)  Student A:  The air pollution in our city is getting worse. What can we do to stop it?

Student B: I think we can ride our bicycles to school more.

2）Choose some students to show their role-play.

3）Give encouragement and praise for good performance.

Step 4 Homework

I. Read the conversation, and try to remember the words and phrases.

II. Write a passage about how to control pollution and how to save our earth.

blackboard writing design

Unit 1 If everyone starts to do something, the world will be saved.

Vocabulary

factory, pollute, recycle, waste, enemy, crop, kill, oil, less, such as, hopeless.

Sentences pattern

① It’s no use talking about the things we can’t do.

② We should stop the factories from polluting the river.