(共28张PPT)
Unit 13 We’re trying to save the earth ! Section A (1a-2c)
Do you like these beautiful places
Lead in
Lead in
But now,
the earth is polluted.
Lead in What kind of pollution do you know
pollution
What can you see in the pictures in 1a
2
3
1
4
Here are some words related to different kinds of pollution.
Write them in the box below. Then add more words.
1a
loud music cars
rubbish planes littering
ships
factories smoking building houses
mobile phones
nois
llution
loud m
planes
litterin
ships
factories
mobile phones
building houses
(machines, crowds)
smoking
factories
building houses
(burning, power plants)
(sewage, pesticides)
What kinds of pollution are they talking about
Susan
Jason
kinds of
lk about.
2a
What caused
these problems
r pollution
C. noise pollution
D. water pollution
What caused these problems
Let’s think
air pollution
Some factories burn coal and There are more and more cars
they pollute the air with a lot of on the road. They put the waste
black smoke.
into the air.
What caused these problems
Let’s think
There is too m
rubbish and wa
People use too many
plastic bags.
2b
Listen again and complete the sentences.
1. The air is badly polluted because there are
_______________ on the road these days.
more cars
pollute
2. Factories that burn coal also ____________ the air
with a lot of black smoke.
3. There is also too much rubbish and waste. People
_a_r_e_t_h_r_o_w_i_n_g_a_w__a_y_ things every day.
public places
4. People are also littering in ____________ like
parks. This is turning beautiful places into ugly
ones.
2c
Work in groups. Each group choose a topic in 2a. Say the
words or phrases related to the word or phrase that the
previous (前一个的) person said.
farm burn …
Lead-in: watch a video
What caused these problems
Let’s think
water pollution
People throw litter into the river Some factories put the waste
directly. water into the river.
1b
Listen and complete the sentences.
The river was __r_e_a_ll_y_d_i_r_ty_. Even the bottom of the
What was the
problem
river was full of _________. There were no more
rubbish
____________for fishermen to catch.
what
fish
People are throwing ______________ into the river.
litter
What caused the
Factories are putting ______________ into the river.
waste
why
problem
We should write to the __g_o_v_e_r_n_m__en__t _ and ask them
How should the
problem be solved
to _____________ the factories. Everyone should
close down
help to _____________the river.
clean up
how
Discussion:
What can we do to save the earth in our lives
stop riding in turn off the lights
when we leave a room
cars/ride a bike
turn off the shower
while we are
recycle books
and paper
washing our hair
Don’t use
paper napkins.
throw the rubbish
into the bins
Post-listening: imagine that you are an ambassador of environmental
protection in your community. Please give a report on an environmental
problem and its causes and solutions.
Checklist
①Tell what kind of pollution is
What
Why
②Tell the phenomenon of the pollution
③Tell what caused the pollution
Contents
④Tell how the pollution influenced us badly
⑤……
①Tell how the pollution should be solved
②Show with a mindmap(The contents are logical.)
③There is no grammar mistake,spelling mistake…
Expressions How
①Show with correct pronunciation,in a comfortable tone…
②Speak aloud and fluently
Language
③Use body language(face to class,speak with a smile…)
How many stars have you got
Take actions to protect environment!
As a student, it's our duty to think of
some ways to save our earth in future.
Help save the earth
Summary
we/ people/
government/
…
air pollution
factories, cars,building houses…
loud music, planes…
noise pollution
should…/
shouldn’t…
water pollution
land pollution
littering, ships, waste water…
rubbish,waste…
*Consolidation Homework:
*Preparative Homework:
Write a short passage about
Surf the Internet to find out
What pollution is and list different the pollution you’re interested in
kinds of pollution.(at least 50
words)
and make an information
card(pollution/causes/solutions…)
