牛津译林版高中英语-必修五Unit 2 The environment -Welcome to the unit课件（44张ppt）

(共46张PPT)
Unit
2
Module5
The
environment
Tips:
Use
your
noodles
→
to
think
Open
your
mouth
→
to
speak
Open
your
heart
→
to
enjoy
Did
you
travel
around
to
enjoy
the
beauty
of
nature
during
the
holiday?
Just
follow
me
to
appreciate
some
beautiful
sceneries.
Can
you
name
them
out?
Mount
Huangshan
Lijiang
River
Huangguoshu
Waterfalls
Jiuzhai
Valley
Shangri-La
?--a
permanently
happy
land,
isolated
from
the
outside
world
What
do
you
think
of
our
earth?
Is
it
a
lovely
place
to
live
in
?
However,
it
is
getting
worse
and
worse.
Can
you
give
some
examples
?
Brainstorming
Littering
(乱丢)
Rubbish
Before
National
Day
After
National
Day
It
is
reported
that
five
tones
of
garbage
were
left
by
Tiananmen
Square
visitors
on
National
Day.
China‘s
haze(雾霾)
may
be
“more
horrible"
than
SARS,
expert
warns.
It's
shocking
that
lung
cancer
rate
has
increased
60
percent
in
a
decade,
which
should
be
largely
blamed
to
Air
Pollution.
Lost
in
the
haze
again
Wenchuan
Earthquake:
On
May
12nd,
2008,
at14:28
local
time,
a
powerful
earthquake
recording
M8.0
took
place
in
Wenchuan
has
caused
a
great
deal
of
damage
to
the
local
and
surrounding
areas.
A
lot
of
people
have
suffered
from
it.
They
have
lost
their
lives,
families
and
experienced
great
pain.
Fitow
and
Danas
have
visited
us
…
Typhoon
(台风)
?A
typhoon?is
a
mature
tropical
cyclone(气旋)?
that
develops
in
the
northwestern
part
of
the?Pacific
Ocean
Who
might
be
responsible
for
the
environmental
problems?
Nature
&
Man
Conclusion:
The
earth
is
facing
serious
problems.
Discuss
with
your
partners
on:
1.What
other
natural
disasters
do
you
know
can
cause
damage
to
the
environment?
How?
2.What
human
activities
can
do
damage
to
the
environment?
How?
Pair
work:
Causes-Effects
Flood
Forest
fire
Volcano
eruption
Drought
Tornado
Tsunami
Hurricane
natural
disasters
forest
fire
volcano
drought
typhoon
flood
hurricane
tsunami
tornado
Effects:
It
is
reported
that
every
year
the
losses
caused
by
natural
disasters
amount
to
billions
of
dollars
and
thousands
of
people
died
while
thousands
more
were
left
homeless.
2.What
human
activities
can
do
damage
to
the
environment?
How?
Enjoy
a
MV
“Earth
song”
with
following
Qs
.
Q1:What’s
your
feeling
like
when
you
are
listening
to
this
song?
Q2:
What
human
have
done
to
the
environment
is
friendly
or
awful?
Q3:Can
you
figure
out
what
information
this
song
conveys?
As
an
ad.
goes,
the
last
drop
of
water--
Human’s
tear
stock
raising
Cause?
Some
chemical
and
harmful
waste
flows
into
the
water,
killing
river
and
sea
life.
That
is
also
harmful
to
our
health.
Effects?
Deforestation
(砍伐森林)
Causes:?
Effects:
?
Sandstorm
Factories
and
automobiles
give
off
waste
gas,
which
goes
into
the
atmosphere
and
makes
us
sick.
Air
pollution
causes
more
than
2.7
million
deaths
in
the
world
every
day.
Air
pollution
Causes:?
Effects:
?
Pair
work:
Dialogue
A:
What
do
human
do
to
the
environment?
B:……
B:
What
are
the
effects?
A:……
Causes
Effects
A.
Water
pollution
B.
Deforestation
C.
Air
pollution
wars/
industrial
accidents
gas
leakage(泄漏)/
oil
leakage
burning
coal/litter
driving
private
cars
run
on
petrol
using
nuclear
weapons
overcutting
(deforestation)
letting
off
poisonous/harmful
gas
into
the
air
pouring
industrial/chemical
waste
into
water
using
fertilizers化学肥料
and
pesticides杀虫剂
Phrases
for
your
reference
Ozone
layer
hole
Global
warming
Cooperate
with
your
partners
when
doing
this
task.
.
Tips:
let
off
排放
sulphur
dioxide二氧化硫
carbon
dioxide二氧化碳
Freon
氟利昂
After-class
A
nation
destroying
its
environment
destroys
itself.
--
F.D.Roosevelt
Unfortunately
,
because
of
environmental
pollution,
many
children
were
born
disabled.
Conclusion:
A
healthy
environment
is
important
for
our
survival.
We
should
protect
the
environment
from
now
on.
Did
you
do
anything
bad
to
the
environment
in
your
daily
life?
What
should
we
do
to
protect
the
environment
in
our
daily
life?
Classify
and
throw
rubbish
into
the
can
recycle
them
effectively
The
recycling
symbol
Buy
recycled
products
Recycled
products
Use
low-flow
shower
heads省水的莲蓬头
Buy
energy-
efficient
light
bulbs环保灯泡
replace
with
What
can
we
do?
plate
No
foam
lunchbox
No
plastic
bag
basket
What
can
we
do?
↖
↘
↙
↗
solar
energy
Plant
trees
Control
sand
What
can
we
do?
No
one-off
chopsticks.
?Just
as
the
theme
of
China
for
2013
June
5
World
Environment
Day
"Breathing
and
Working
Together"
goes,
every
citizen
should
take
our
responsibility
for
the
environment,
starting
from
our
oneself
and
small
things,
respecting
and
complying(顺应)
with
the
nature,
and
making
contributions
to
a
beautiful
China
with
blue
sky,
green
land
and
clean
water.
What
we
have
learnt
today
Problems
Causes:
nature&
man
Effects
Solutions
Homework
Collect
more
information
about
environmental
problems
and
find
out
solutions.
Try
to
give
an
oral
report
in
the
next
lesson.
Prepare
the
Reading.
Thank
you
for
your
attention!