(共41张PPT)
Unit 4 Save the trees
Period 5 MP, Culture corner &
Project
牛津深圳·广州版 七年级下
Lean something about the Amazon rainforest.
Learn about tea planting history and tea culture of Chinese tea.
Write a plan for a green project.
Learning objects
Where is the largest rainforest in the world
Discussion
Lead in
1. Where is the Amazon rainforest
____________________________________________
2. Why do many living things lose their home
____________________________________________
3. What should we do according to the article
____________________________________________
It is in South America.
Listen to the tape twice, and answer the questions.
Because of deforestation.
We should protect the Amazon rainforest.
Before you read
Pre-reading
Read the article below about the Amazon rainforest.
Reading
( )1. The word “It” in Line 2 refers to ________.
A. the Amazon rainforest B. South America
C. the world D. Amazon Basin
( )2. How many countries does the Amazon rainforest spread across
A. Five. B. Six. C. Eight. D. Nine.
A
D
Reading task
Read the article and choose the best answers.
( )3. Which of the following is true about the Amazon rainforest
A. The Amazon rainforest is the second largest rainforest in the world.
B. The Amazon rainforest covers four and a half million square kilometres of the Amazon Basin.
C. The Amazon rainforest is very important.
D. The number of animals is increasing.
C
Reading task
( )4. What is the purpose of the passage
A. To tell us about where the Amazon rainforest is.
B. To tell us about many living things lose their home.
C. To tell us something about animals, birds and insects.
D. To tell us we should do our best to protect the Amazon rainforest.
D
Reading task
How large is the Amazon rainforest
It covers five and a half million square kilometres of the Amazon Basin and spreads across nine countries.
Why is the Amazon rainforest very important
Because it is home to thousands of animals, birds and insects.
Answer the following questions.
Reading task
What does “deforestation” mean
It means destroying forests by cutting down the trees.
What is the result of deforestation
Many living things lose their homes and the number of kinds of animals, birds, insects and trees in the world is decreasing.
What should we do
We should do our best to protect the Amazon rainforest.
Reading task
The Amazon rainforest is the (1)_______ rainforest in the world.
It covers 5.5 millon square kilometres of the (2)_________.
It spreads across (3)______ countries.
The rainforest is important because it is (4)________ to many living things.
The rainforest is in danger because of (5)_____________ (the cutting down of trees).
largest
Amazon Basin
nine
home
deforestation
Reading task
Close your books and review the article.
1. It covers 5.5 million square kilometres of the Amazon Basin …它覆盖了亚马逊流域550万平方千米的面积……
【用法】hundred/thousand/million/billion前面有数字时后面不加s 和of，前面没有数字，s和of一起用。
Language points
【即时训练】选择最佳选项填空。
There are about _____ people on the square.
A. two thousand B. two thousands
C. thousands of D. two thousand of
A
2. The Amazon rainforest is very important because it is home to thousands of animals, birds and insects.亚马逊热带雨林非常重要，因为它是无数动物、鸟类和昆虫的栖息地。
Many living things lose their homes because of deforestation. 因为滥伐森林，很多生物失去了家园。
Language points
【辨析】
because 和because of 都意为“因为”。
注意其不同的用法：
because 是连词，后面接句子，构成表示原因的状语从句；
because of 是介词短语，后面接名词或动词-ing 形式，在句中常用作状语。
因为下大雨，我今天早上迟到了。
I was late this morning because it rained heavily.
= I was late this morning because of the heavy rain.
Language points
【即时训练】选用because或because of填空。
1. He did better and better in English __________ his hard work.
2. She can’t go with us _________ she is ill.
3. Many people feel sick ___________ the bad weather.
4. Li Tao ’s mother was angry _________ he broke the window.
because
because of
because
because of
Language points
3. As a result, the number of kinds of animals, birds, insects and trees in the world is decreasing. 结果，各类动物、鸟类、昆虫和树木的数量正在减少。
【用法】the number of 意为“……的数量”，后面接可数名词的复数形式，它作主语时，谓语动词要用单数形式。
The number of the students in Class Two is forty-five.二班的学生人数是45。
Language points
【即时训练】选用the number of或a number of填空。
1. ______________ visitors to the Canton Tower is increasing (增长).
2. ____________ visitors visit the Canton Tower every day.
The number of
A number of
Language points
4. We must do our best to protect the Amazon rainforest.
我们必须尽最大的努力保护亚马逊雨林。
【用法】do one’s best to do sth 意为“尽力做某事”。
We should try our best to finish the homework.我们要尽力完成作业。
【即时训练】根据中文意思完成句子。
他尽力做得更好。
He __________ _____ ______ _____ do it better.
Language points
tries/does his best to
1. Can you swim a________ the river by yourself
2. My house is big. It c________ 300 square metres.
3. There are many beautiful b________ flying in the sky.
4. The little boy can count the n________ from one to one hundred.
5. It’s i__________ for us to protect trees.
cross
overs
irds
umbers
mportant
Exercise
一、根据句意及首字母提示写出所缺单词。
1. 我每天都有很多电子邮件要看。
I have ____ _________ ____ emails to read everyday.
2. 这些书的数量是多少？
What is _____ __________ ____ the books
3.我们应该尽力保护我们的地球。
We should ____ ____ _____ ____ ________ our Earth.
4. 他每天跑步三十分钟，结果他体育考试得了满分。
He runs for thirty minutes every day. ____ ____ ______ ,
he got full marks in the P.E. exam.
二、根据中文意思完成句子。
Exercise
a number of
the number of
try our best to protect
As a result
2. 很多动物因为环境污染失去了家园。
Many animals ______ ________ _______ because of environmental pollution.
3. 每天成千上万的旅游者来到中国参观长城。
__________ _____ visitors come to China to visit the Great Wall every day.
4. 因为大雨，他没能及时赶到火车站。
He couldn’t arrive at the train station on tome
_________ _____ the heavy rain.
lost their homes
Thousands of
because of
Exercise
Post- reading
What else do you know about the Amazon rainforest
Post- reading
Post- reading
Further Thinking
What can people do to protect the environment in order to save the rainforest
Post- reading
Summary
Key phrases:
thousands of, because of, as a result,
the number of, do our best to do, cut down
be home to
Planning
green activities
Project
Do you want to improve your school environment
In this project, you will write a plan for a green project.
Project
The group leader will take notes of the discussion and each group will present a report on your ideas for the green project.
Project
In groups, talk about how to make our school “greener”.
Green ideas from my group
Here are some sample notes.
Project
Design an indoor garden or a roof garden
Plant more trees and flowers
Reduce, reuse, recycle
Stop cutting down trees
Project
Make a plan of what you will do for the green project.
Decide each group member’s job.
Find in formation.
Make a plan
Project
Project
Read the passage and answer the following questions.
Culture corner
Do you like drinking tea
Where does tea come from
According to an old story, who discovered tea
What did Lu Yu do during the Tang Dynasty
Culture corner
Group work
World Food Day
World Food Day is an international day celebrated on October 16th. It is very important for us to save food because we can’t live without it. But these days, many people waste food. This is really bad. We should always remember that food is a gift from nature, and there are still a lot of people in the world who don't have enough to eat. So, to make sure we don't waste food, first, we shouldn't cook more than we can finish.
Extensive reading
Second, we should make sure we finish everything on our plates at dinner. Third, when dining out, we should take away our leftovers. Remember from now on, never waste food. Let' s take action!
Extensive reading
Think: What actions should we take now
Homework
1. Recite new words and expressions .
2. Finish the MP exercise paper.
We should plant more and more trees in order to live better and more healthy in the future.
Reflection
谢谢
21世纪教育网（www.21cnjy.com)
中小学教育资源网站
兼职招聘：
https://www.21cnjy.com/recruitment/home/admin
