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(共37张PPT)
The Earth
12
Module 4
The natural world
Period 1 (P80-P81)
trousers
driver
Review
trip
train
drink
drop
dream
drag
triangle
dress
trunk
drama
trust
trot
dragon
try
truck
drive
drill
draft
traffic
/tr/
/dr/
Let’s say
We get wood from trees. We use wood to make ...
The Earth is our home.
Let’s learn
Earth
/ θ/
Do you know anything about the Earth
Do you want to know about the Earth
Look and learn
The Earth is a beautiful place.
There are rivers, oceans, land and forests.
Look and learn
What are the brown parts
The brown parts are land.
land
/l nd/
Extension
地球表面未被海水淹没的部分称为陆地。包括大陆和岛屿。
大陆占地球表面积的29.2%。
面积广大的陆地称大陆，全球有亚欧大陆、非洲大陆、北美洲大陆、南美洲大陆、澳大利亚大陆和南极洲大陆等六块。
land
Look and learn
What are the blue parts
The blue parts are oceans.
ocean
/ n/
Extension
海洋，是地球上最广阔的水体的总称。
地球表面被各大陆地分隔为彼此相通的广大水域称为海洋。
海洋覆盖了地球表面超70%的面积，是天气和气候的主要驱动力。
ocean
Look and learn
How about the green parts
The green parts are forests.
forest
/ f r st/
Extension
森林，是以木本植物为主体的生物群落。
森林具有丰富的物种、复杂的结构、多种多样的功能，被誉为“地球之肺”。
近年来全球森林的恢复速率仍低于损毁速率。
forest
Look and learn
Earth
forest
land
ocean
地球
__rth
f_r_st
陆地
海洋
l_nd
forest
ocean
land
Earth
Great!
Look, read and spell.
Practise
Predict
Look at this picture. What is it
What are Ms Guo and students talking about
Listen and fill in the blanks
They are talking about the Earth.
Look at this picture. What is it
It’s the _______.
The green and brown parts are _______ and ______. What are the __________
I think they’re ________.
Yes, they are.
Ms Guo:
Kitty:
Ms Guo:
Joe:
Ms Guo:
Earth
forests
land
blue parts
oceans
Listen and say
Look at this picture. What is it It’s the Earth.
The green and brown parts are forests and land. What are the blue parts
I think they’re oceans.
Yes, they are.
Ms Guo:
Kitty:
Ms Guo:
Joe:
Ms Guo:
How was the Earth in the past
Watch and answer
How is the Earth now
What should we stop doing
Watch the video
How was the Earth in the past
Check the answers
How is the Earth now
It was very clean and beautiful in the past.
Some parts are dirty now.
Check the answers
What should we stop doing
We should stop throwing rubbish into rivers.
We should stop cutting down so many trees.
We should stop using plastic bags.
throw rubbish into rivers
rubbish
/ r b /
We should stop throwing rubbish into rivers.
cut down so many trees
so many
这么多
We should stop cutting down so many trees.
Trees are important to us. Trees can ...
use plastic bags
plastic bag
塑料袋
We should stop using plastic bags.
/ pl st k/
塑料制品不容易被腐蚀，也不容易被降解，对环境有害。
Language points
We should stop cutting down so many trees.
此句型用于表达我们应该停止做某事。
句型结构：
We should stop + 动词-ing形式（+其他）.
should是情态动词，意为“应该”，与动词原形搭配使用。
stop在此处的意思是“停止”，后接动词-ing形式，表示停止正在做的事情。
Your idea
Can we do anything to help the Earth and protect the environment
We should stop ...
We should also stop ...
Listen and say
The Earth was very clean and beautiful in the past, but now some parts are dirty. Can we do anything to help the Earth
Yes. We should stop throwing rubbish into rivers.
We should stop cutting down so many trees.
We should stop using plastic bags.
Ms Guo:
Alice:
Peter:
Kitty:
Write the words in the boxes. Then talk about the Earth.
The Earth was ... and ... in the past, but now some parts ... We should stop ...
forest
land
ocean
Watch and follow
Listen and say
Look at this picture. What is it
It’s the Earth.
The green and brown parts are forests and land. What are the blue parts
I think they’re oceans.
Yes, they are.
Ms Guo:
Kitty:
Ms Guo:
Joe:
Ms Guo:
The Earth was very clean and beautiful in the past, but now some parts are dirty. Can we do anything to help the Earth
Yes. We should stop throwing rubbish into rivers.
We should stop cutting down so many trees.
We should stop using plastic bags.
Ms Guo:
Alice:
Peter:
Kitty:
Protect the Earth
We must stop pollution.
It is important for us to protect the Earth.
世界地球日
World Earth Day
世界地球日在每年的4月22日，是一个专为世界环境保护而设立的节日。
该活动旨在提高民众对于现有环境问题的认识，并动员民众参与到环保运动中，通过绿色低碳生活，改善地球的整体环境。
Exercise
一、选择每组单词中不同类的一项。
( )1. A. forest B. desk C. chair
( )2. A. green B. brown C. land
( )3. A. ocean B. flowers C. trees
( )4. A. dirty B. earth C. clean
( )5. A. rubbish B. lake C. river
A
C
A
B
A
二、单项选择。
( )1. The teacher is coming. Please stop _________.
A. talking B. to talk C. to shout
( )2. Don’t use too _______ plastic or too _______
plastic bags.
A. much;many B. many;much
C. much;much
( )3. We ______ drive too much.
A. should B. shouldn’t C. can
A
A
B
Summary
Words:
Sentence:
We should stop cutting down
so many trees.
Earth
forest
ocean
land
Homework
抄写Look and learn单词，每个四遍；
听录音，熟读Listen and say；
查阅资料了解地球的现状。

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