(共35张PPT)
Did
you
know
that
all
around
the
world,
3
to
6
billion
trees
are
cut
down
each
year
Have
you
ever
planted
a
tree
dig
vt.
&
vi.
挖(洞，沟等)
serious
adj.
认真的，严肃的
breadfruit
n.
面包果
reduce
vt.
&
vi.
减少，降低
e.g.
We
can
reduce
air
pollution
by
riding
bicycle.
turn
off
关上（开关）
e.g.
We
can
save
energy
by
turning
off
the
lights
when
we
leave.
recycle
vt.
回收利用，循环利用
e.g.
We
can
protect
the
environment
by
recycling
things.
wise
adj.
明智的，充满智慧的
e.g.
The
professor
is
very
wise.
这名教授充满智慧。
cause
vt.
导致；造成
e.g.
Human
pollution
causes
global
warming.
人为污染导致全球变暖。
take
a
shower
e.g.
We
can
save
water
by
taking
shorter
shower.
Listen
and
answer
1.
What
is
Hobo
going
to
do
2.
Will
more
trees
be
planted
this
year
3.
What
does
Eddie
like
doing
4.
What
will
Eddie
plant
He
is
going
to
plant
trees.
Yes.
Trees
are
good
for
us.
He
likes
digging
in
the
garden.
He
will
plant
breadfruit
trees.
The
class
1,
Grade
8
students
are
talking
about
ways
to
live
a
green
life.
Look
at
the
pictures
below
and
match
them
with
the
correct
sentences.
a.
We
can
reduce
air
pollution
by
riding
bicycles.
b.
We
can
save
water
by
taking
shorter
showers.
c.
We
can
save
energy
by
turning
off
the
lights
when
we
leave
a
room.
d.
We
can
protect
the
environment
by
recycling
waste.
Listen
and
answer
1.
How
did
Kitty
go
to
school
in
the
past
2.
What
about
now
3.
What
does
Millie
think
she
should
do
to
live
a
green
life
Her
father
used
to
drive
her
to
school.
They
take
the
underground
now.
She
thinks
it’s
wise
for
people
to
choose
public
transport
and
ride
bicycles.
4.
What
about
Daniel
5.
What
about
Sandy
He
thinks
we
can
take
shorter
showers
to
save
water.
She
thinks
we
should
remember
to
turn
off
the
lights
when
we
leave
a
room.
Read
the
conversation
after
the
recorder.
Work
in
groups
and
talk
about
the
ways
to
live
a
green
life.
A:
What
should
we
do
to
live
a
green
life
B:
I
think
….
C:
I
think
….
D:
I
think
….
1.
What
are
you
going
to
do
你打算做什么？
be
going
to
do
sth.
打算、计划做某事
e.g.
I
am
going
to
plant
trees
this
Sunday.
我打算这个星期天去植树。
He
is
going
to
see
a
film
next
weekend.
他打算下个周末去看电影。
2.
Will
more
trees
be
planted
this
year
今年更多的树将会被种植吗？
will
be
planted
将会被种植，will
be
+
动词过去分词,
是一般将来时被动语态。
e.g.
The
panda
will
be
sent
to
the
zoo
tomorrow.
这只大熊猫明天将被送到动物园。
将下列句子改为被动语态。
1)
His
father
will
mend
his
bike.
__________________________________
2)
John
didn’t
finish
the
homework.
__________________________________
3)
Did
Mike
watch
the
new
movie
yesterday
__________________________________
__________________________________
His
bike
will
be
mended
by
his
father.
The
homework
was
not
finished
by
John.
Was
the
new
movie
watched
by
Mike
yesterday
4)
Are
the
students
going
to
plant
trees
tomorrow
_________________________________
_________________________________
Are
trees
going
to
be
planted
by
the
students
tomorrow
3.
We
can
reduce
air
pollution
by
riding
bicycle.
我们可以通过骑自行车来减少空气污染。
reduce
air
pollution
减少空气污染
by
doing
sth.
通过做某事
e.g.
We
can
protect
the
environment
by
recycling
things.
我们可以通过回收利用东西来保护环境。
We
can
save
energy
by
turning
off
the
lights.
我们可以通过关灯来节约能源。
4.
My
dad
used
to
drive
me
to
school.
我爸爸过去常常开车送我去学校。
used
to
do
sth.
过去常常做某事
used
to
过去的习惯动作或状态，可以用于各种人称，其后接动词原形。
e.g.
They
used
to
play
football
on
the
playground.
他们过去常常在操场上踢足球。
drive
sb.
+
地点副词/to
+
地点名词
驾车送某人去某地
drive
to
sp.
=
go
to
sp.
by
car开车去某地
e.g.
Can
you
drive
me
to
the
train
station
你可以开车把我送到火车站吗？
My
friends
often
drive
to
work.
=
My
friends
often
go
to
work
by
car.
我的朋友们经常开车去上班。
5.
It’s
wise
for
people
to
choose
public
transport
or
ride
bicycles.
对人们来说选择公共交通或骑自行车是明智的。
It
is
+
adj.
+
for
sb.
+
to
do
sth.
对某人来说做什么事情怎么样。常用于此句型的形容词有important,
difficult,
dangerous,
necessary,
useful,
possible等，用来对
to
do
sth.
进行说明，此句型可以转换成To
do
sth.
is
+
adj.。
e.g.
It
is
very
important
for
students
to
learn
English
well.
对学生们来说学好英语是很重要的。
It
is
+
adj.
+
of +
sb.
+
to
do
sth.，常用于此句型的形容词有good,
kind,
nice,
clever,
wise
等，用来对sb.的性格、品质等进行说明，这个句型中的
sb.
和
adj.
提出来可以造句为
sb.
+
be
+
adj.。
e.g.
你这样说真是太好了。
It’s
very
kind
of
you
to
say
so.
根据汉语提示写单词。
1.
Is
he
_______
(严肃的)
2.
We
can
_______
(减少)
air
pollution
by
riding
bicycles.
3.
He
is
________
(挖洞)
in
the
garden.
4.
We
can
_______
(回收利用)
old
things.
5.
It
is
____
(明智的)
of
you
to
take
a
map.
serious
reduce
digging
recycle
wise
1.
打算、计划做某事
2.
植更多的树
3.
在花园里挖沟
be
going
to
do
sth.
plant
more
trees
dig
in
the
garden
4.
种植水果面包树
5.
对…...
有好处
6.
减少空气污染
7.
严重的，严肃的
plant
breadfruit
trees
be
good
for
…
reduce
air
pollution
be
serious
8.
节约水/能源
9.
引起严重的空气污染
save
water/energy
cause
serious
air
pollution
Read
the
text
book
and
learn
the
new
words
and
phrases
by
heart.
2.
Do
the
exercises
in
the
workbook.
