资源简介

(共28张PPT)
The Earth
12
Module 4
The natural world
Period 3 (P84-P85)
Complete and talk
The state of the Earth.
We live on the ______. The Earth is a ________ place. There are _____, ______, ____ and ______. There are
many different ______
and ________ too.
Earth
beautiful
rivers
oceans
land
forests
plants
animals
People, plants and animals need clean water and air.
Why does the Earth get sick
① Sometimes people ...
② Sometimes people ...
③ Smoke from ... makes ...
The Earth ...
Now people work together to keep the Earth _____ and _______.
clean
healthy
What do people do
① They pick ...
② They plant ...
③ They recycle ...
④ They bring ... and stop using ...
Complete and act
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. The Earth was very _____ and ________ in the past, but _____ some parts are _______.
Ms Guo:
Kitty:
Ms Guo:
Joe:
Ms Guo:
Earth
forests
land
blue parts
oceans
clean
beautiful
now
dirty
Can we do anything to help the Earth
Yes. We should stop ...
We should stop ...
We should stop ...
Free talk
The Earth is sick!
What should we do to save the Earth
We should ...
We should stop ...
We should not ...
Ask and answer
What should we do to save the Earth Put a tick(√) or a cross(×) in the box. Then talk about it in groups.
1 We should cut down trees.
2 We should build more factories and houses.
3 We should write on both sides of paper.
4 We should use more plastic bags and bottles.
Ask and answer
5 We should not litter.
6 We should throw rubbish into rivers.
7 We should stop killing wild animals.
8 We should walk or ride a bike more often.
Ask and answer
S1: What should we do to save the Earth
S2: We should ...
S3: We should ...
S4: We should stop ...
Think and write
The Earth is sick!
The Earth was clean and beautiful.
Now some parts are ____________.
We should ____________________.
We should stop ________________.
______________________________
______________________________
Review the sounds
Let’s know
音标：是记录音素的符号，也是音素的标写符号，应用于语言学中。
英语音标中有元音20个，辅音28个，共48个。
vowel
Phonetic Symbol
consonant
Let’s review
vowel 元音
从音素来看，元音分为单元音和双元音。
We will learn next term.
/ /
短元音
长元音
/ /
/ /
/ /
/ /
/e/
/ /
/ɑ /
/ /
/ /
/i /
/u /
Read and know
sheep ship food foot
bed bad water what
father brother purple paper
/e/
/i /
/ɑ /
/ /
/ /
/ /
/ /
/u /
/ /
/ /
/ /
/ /
Follow the video
Practise
paper
/e/
bad
/i /
these
easy
bread
any
black
/ɑ /
class
colour
large
/ /
blue
sugar
/u /
/ /
cook
horse
want
/ /
autumn
watch
/ /
turn
umbrella
Let’s review
consonant 辅音
清辅音
辅音分为清辅音和浊辅音。清辅音，发音时声带不振动；浊辅音，发音时声带振动。
/p/
/b/
/k/
/f/
/θ/
/s/
/ts/
/t /
/ /
/tr/
Let’s review
consonant 辅音
浊辅音
/b/
/d/
/g/
/v/
/ /
/z/
/ds/
/d /
/ /
/dr/
Read and know
pig big piece please
hat bed boats beds
back bag rich orange
leaf leave sure pleasure
both with tree dress
/t/
/p/
/k/
/θ/
/f/
/d/
/b/
/g/
/ /
/v/
/ts/
/s/
/t /
/tr/
/ /
/ds/
/z/
/d /
/dr/
/ /
Follow the video
Practise
picture
/p/
date
book
/k/
job
gate
fruit
duck
food
/ /
tooth
these
thank
/θ/
live
police
cards
lights
/z/
each
danger
usually
/ /
/d /
/t /
/ /
fish
/tr/
drink
Exercise
一、读一读，选出画线部分发音与其余不同的一项。
( ) 1. A. father B. hamburger C. sandwich
( ) 2. A. food B. cool C. foot
( ) 3. A. paper B. teacher C. term
( ) 4. A. please B. visit C. school
( ) 5. A. pleasure B. usually C. sure
A
C
C
C
C
二、从方框中选择恰当的词补全短文。
The Earth gets _____. People, plants and _______ need
clean water and ______. The ______ from __________
makes the air ______. And the waste water pollutes rivers and ______. We should do __________ to ______
rivers factories air smoke dirty sick should
animals something plant oceans help
sick
animals
air
smoke
factories
dirty
oceans
something
help
二、从方框中选择恰当的词补全短文。
the Earth and ourselves. We should ______ more trees. We _________ not throw rubbish into __________.
rivers factories air smoke dirty sick should
animals something plant oceans help
plant
should
rivers
Summary
Sounds:
sheep ship food foot
bed bad water what
father brother purple paper
Summary
Sounds:
pig big piece please
hat bed boats beds
back bag rich orange
leaf leave sure pleasure
both with tree dress
Homework
复习本学期所学的元音和辅音；
和同学/家人讨论如何保护环境；
制作保护地球的宣传海报。

展开更多......

收起↑