資源簡(jiǎn)介

(共18張PPT)
Lesson 4
Key question
Why should we learn about the Earth
Problems
in the
environment
air pollution
water pollution
land
pollution
noise
pollution
fewer and fewer
wild animals
waste of natural
resources
What problems is the Earth facing？
Brainstorming
Speaking
What environmental (環(huán)境的) problems are shown in the pictures
catch a lot of fish,
fewer and fewer fish in the sea
use a lot of dangerous farm chemicals, less and less clean groundwater
burn oil and gas to make energy, more and more harmful gases
cut down trees, build farms, less and less forest land
Problem 1
What do people do
(catch a lot of fish)
People catch a lot of fish.
What’s the result (后果)
(fewer and fewer fish in the sea)
There are fewer and fewer fish every year.
What problem is shown in Picture 1
catch a lot of fish,
fewer and fewer fish in the sea
Example:
S1: What problem is the Earth facing
S2: People catch a lot of fish. There are fewer and fewer fish in the sea every year.
...
Follow the example and take turns asking and answering questions like this:
S1: What problem is the Earth facing
S2: People __________________.
There is/are __________________.
...
（problems）
（result）
Group discussion
Talk about other problems the Earth is facing by following the same pattern.
S1: What problem is the Earth facing
S2: People __________________.
There is/are __________________.
...
（problems）
（result）
What can we do to protect the Earth
Group discussion
Possible answers:
We must stop catching too many fish.
We must stop using a lot of dangerous farm chemicals.
We must stop burning things to make energy.
We must stop cutting down too many trees.
We must stop throwing away too much rubbish.
We must stop putting waste into rivers and seas.
We can take our own shopping bags to the supermarket.
What can we do to protect the Earth
How can we give suggestions
We must ...
We can ...
We should ...
We need to ...
We had better...
It is important to...
...
Task:
Next week is Green Week. The school website is
going to feature some articles on “Our Earth Home”.
Your ideas on environmental protection are needed.
一、審題
1. 文體：
2. 人稱(chēng)：
3. 語(yǔ)言風(fēng)格：
4. 時(shí)態(tài)：
5. 寫(xiě)作要點(diǎn)：_______ 個(gè)要點(diǎn)，包含：
審題
說(shuō)明文
第三人稱(chēng)
客觀描述
一般現(xiàn)在時(shí)、現(xiàn)在進(jìn)行時(shí)
三
The Earth is a beautiful planet; The problems the Earth is facing; Things we can do to protect the Earth
Think before you write
Part 1:
Part 2:
Part 3:
Structure (謀篇布局)
What things are there on the Earth
Why should we protect the Earth
How can we protect the Earth
Plan and think
Steps:
1. Decide on what you are going to write about.
2. Think of a topic sentence for each part.
3. Organize the information in the notes on page 60.
4. Add details or examples to support the topic sentence.
Write your article
Part 1:
Part 2:
Part 3:
What things are there on the Earth
Why should we protect the Earth
How can we protect the Earth
There be句型
For example + 例子
supporting sentences
Topic sentences
列舉措施(action)
Pay attention to the logic between different parts.
Connect and cohere
Remember to add:
a title
a concluding sentence
necessary linking words
Check and revise
List 1 （context）
List 2 （language）
Homework
基礎(chǔ)作業(yè)
1. 在小組內(nèi)互讀作文，用互評(píng)表互評(píng)作文，選出本組優(yōu)秀作文，可以自薦，也可以推薦小組其他成員的作文。
2. 把作文制作成網(wǎng)帖，可以適當(dāng)配上插圖。
拓展作業(yè)
將優(yōu)秀作品張貼在“Go Green”的展板上，有條件的也可以發(fā)表在班級(jí)或?qū)W校的公眾號(hào)上。
THANKS

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