(共38张PPT)
Unit 3 The Earth
Speaking & Writing
Speaking
A Talk time
/ /
/a:/
/ /
/ :/
/u/
/u:/
/k/
/g/
o
u
ou
/ /
Pay attention to these words with . Read them aloud.
bus just sun
come money some
country enough young
/ /
Here are some sentences with / /.
Nothing is impossible.
Come to the front on the double.
au
ar
ear
a
/a:/
Pay attention to these words with /a:/. Read them aloud.
class father glass
art car park
aunt heart
Here are some sentences with /a:/.
It’s far from the park to the farm.
A car is passing by the park.
a
after/w/
o
/ /
Pay attention to these words with . Read them aloud.
box lot pot
want wash what
/ /
Here are some sentences with .
The little pot is so hot.
Bob robbed his boss’s office.
/ /
ar
or
aw
al
ore
au
our
oor
oar
/ :/
Pay attention to these words with .Read them aloud.
for horse short
ball small tall
quarter ward warm
August autumn daughter
draw law saw
bought door
/ :/
Here are some sentences with .
Babies usually learn to crawl before they can walk.
My forty-four-year-old daughter is a lawyer.
/ :/
Feel the difference between and
mop the floor
saw the doctor
lock the door
lots of horses
/ :/
/ /
u
o
ou
oo
/u/
Pay attention to these words with Read them aloud.
wolf woman
full put sugar
book football good
could should would
/u/
Here are some sentences with /u/.
Look at the cookbook. It’s really good.
The bull stood in the bushes.
oo
u
ui
ue
o
oe
/u:/
Pay attention to these words with /u:/. Read them aloud.
lose move who
pollute ruler
food school tooth
fruit juice
blue shoe
Here are some sentences with /u:/.
How do you do You look really cool.
What food would you like to eat
A bowl of noodles, please.
Feel the difference between / / and /u:/.
/ / /u:/
book boot
foot food
took tool
stood stool
/k/ /g/
class glass
coat goat
cap gap
back bag
lack lag
Pay attention to these words with /k/ and /g/. Read them aloud.
Read the following words.
call cat come
bake key make
black chick sock
bag game gate
A1
Listen carefully and circle the word you hear from each pair.
/ba:n/ /b n/
2. /ha:t/ /h t/
3. /sp t/ /sp :t/
4. /k d/ /k :d/
5. /pul/ /pu:l/
6. /ful/ /fu:l/
7. /b k/ /b g/
8. /kla:s/ /gla:s/
A2
Read these sentences. Pay attention to the letters in red.
I love my brother’s drum.
2. I asked my father for a banana.
3. I want to wash some socks.
4. I saw four horses at the door!
5. He took a look at the cook.
6. Whose blue shoes are those
7. The clever cat caught the chicken.
8. A girl sat on the green grass with her dog.
朗读下面单词，注意红色斜体部分的读音。
bus come enough sun
2. aunt car class heart
3. box lot pot what
4. autumn ball for warm
book full should woman
6. blue food move shoe
7. bag game gate goat
In pairs, talk about what we can do to protect the Earth. Follow the example.
S1: What can we do to protect the Earth
S2: We must stop polluting the air.
S1: Are there any other things we can do
S2: We can take our own things bags to
the supermarket.
B Speak up
More practice
Where does air pollution come from
Different kinds of pollution
air pollution
land pollution
water pollution
What other kinds of pollution do you know
Pollution Causes of pollution Things we can do
fumes from traffic, …
air pollution
water pollution
land pollution
…
waste, …
rubbish, …
…
plant more trees, …
clean rivers, …
put rubbish into bins, …
…
S1: What kinds of pollution are there
S2: There is air pollution, water pollution, land pollution and so on.
S1: Where does air pollution come from
S2: It mainly comes from traffic and factories.
S1: What can we do to protect the Earth
S2: We can plant more trees.
S1: Are there any other things we can do
S2: We can …
Protect the Earth
A In pairs, look at the photos below and discuss the problems with your classmate. What can we do to solve these problems
people/catch a lot of fish every day/
fewer and fewer fish in the sea each year
Writing
people/burn things to make energy/ pollute the air
people/throw away
a lot of rubbish everyday/
pollute the land
people/put waste into rivers and seas/ pollute the water
B Use the information in A to complete the report below.
PROTECT THE EARTH
What problems do we have
People _______________________________________.
There are _____________________________________.
People _______________________________________.
This __________________________________________.
People _______________________________________.
This __________________________________________.
catch a lot of fish every day.
fewer and fewer fish in the sea each year.
burn things to make energy.
pollutes the air.
throw away a lot of rubbish every day.
pollutes the land.
People _______________________________________.
This __________________________________________.
What can we do to protect the Earth
We must stop __________________________________.
_____________________________________________
put waste into rivers and seas.
pollutes the water.
polluting the Earth.
你的好友Mike是一个环保小英雄。根据所给的图片及文字提示，向大家介绍一下Mike是怎样注重环保的，并号召大家向他学习。
要求：词数60–80。开头已给出，不计入总词数。
Today I’d like to introduce one of my friends to you. ______________________________________________
______________________________________________
bike / car
Mike
jug (水壶) / bottled water (瓶装水)
cloth bag / plastic bag
【范文展示】
Today I’d like to introduce one of my friends to you. His name is Mike. Mike is a lovely boy with small eyes and short red hair. He cares about the Earth a lot.
Now let me tell you something about how Mike protects the Earth in his daily life. Mike doesn’t go to school by car. He always rides his bike to school. Mike takes a jug to school every
day. He never buys bottled water. When Mike goes shopping, he uses cloth bags to carry things. He never uses plastic bags.
Mike sets a good example to us on protecting the Earth. Let’s learn from him.
Make a poster
In groups, with the help of the information on the blackboard and in the textbook, make a poster on protecting the Earth.
Protect the Earth
We must catching a lot of fish every day .
(or) We must stop burning things to make energy .
(or) We must stop throwing away a lot of rubbish every day .
(or) We must stop putting waste into rivers and seas
1. 寻找与海报文字材料相匹配的图片，进一步合作完成海报制作。
2. 完成一篇更为详尽的保护地球的报告。
Homework
感 谢 观 看
