Unit 7 Project the Earth Story time & Sound time 课件（35张PPT）

(共35张PPT)
Unit
7
Protect
the
earth
教学目标
掌握重点的单词、词组和句型
1
掌握use…to…的用法
2
掌握情态动词should的用法
3
掌握字母组合oo在单词中的读音
4
Let’s
guess！
She's
our
mother.
It's
green,blue
and
brown
It's
useful.
We
use
it
to
clean
things.
They
look
like
umbrellas.
They
help
keep
the
air
clean.
It's
useful.
Most
of
it
comes
from
coal
and
oil.
We
can
use
it
to
make
bags
and
bottles.
We
can't
use
too
much,because
it
is
bad
for
the
Earth
.
It's
black..
We
use
it
to
drive
cars..
It
comes
from
trees.
We
use
it
to
make
tables
and
chairs.
Do
you
know
how
to
protect
the
earth?
保护
|?|
|e|
Save
water
Save
energy
Save
trees
Don't
use
too
much
plastic
1
2
3
4
|e|
|?|
能源
节约
塑料
|?|
|ei|
|i|
多元导学
Story
time
1
In
many
places,
there
is
not
much
water.
How
to
save
water?
We
should
not
waste
water.
We
should
reuse
and
save
it.
We
should
not
waste
water.
We
should
reuse
and
save
it.
In
many
places,
there
is
not
much
water.
We
drink
water
and
use
water
to
clean
things
every
day.
Water
is
useful.
Why
should
we
save
water?
1
Save
water
What
do
we
use
water
to
do?
We
____________.
…
Water
is
_________.
We
use
water
to_____________.
drink
water
clean
things
useful
We
should
not
water.
waste
浪费
节约save
形容词
useful——反义词：useless
use
…
to
…
使用某物做某事；
use
water
_______
______
_______使用水清洗东西
use
chopsticks_______
______
________
用筷子吃面条
use
the
nose_______
_________
用鼻子闻
a
useful
book
一本有用的书；
a
useful
pen
一支有用的笔
to
to
to
clean
things
eat
noodles
smell
Water
is
useful.
We
drink
water
and
use
water
to
clean
things
every
day.
use：动词；使用
re（再；重新）+use
=reuse：动词
重复使用
知识梳理
I
can
reuse
paper
to
make
bags.
reuse
巩固练习
use…to
do
sth
使用……做某事
用水清洗物品
___________________________
用塑料制作包和瓶子
____________________________________________
用木头制作桌椅和其它东西
_________________________________________________________
1.
My
grandpa
can
use
wood
_________(make)
a
kite.
2.
This
book
is
very
_______(use),
and
I
can
learn
a
lot
from
it.
3.We
can
use
water
to
clean
things.
(对画线部分提问)?
　　　　
can
you
use
water
　　　　　　??
use
water
to
clean
things
use
plastic
to
make
bags
and
bottles
use
wood
to
make
tables,
chairs
and
other
things
to
make
useful
What
to
do
知识梳理
In
many
places,
there
isn’t
much
water.
There
is
not
much
coal
and
oil.
There
is
+可数单数/不可数名词
There
are+可数名词复数形式
There
_____(be)lots
of
wood
and
trees
in
the
forest.
is
There
_____(be)
much
water
in
the
cup.
一般疑问句：________________________?
划线部分提问:_________________________________________?
_______________________?
is
Is
there
much
water
How
many
water
are
there
in
the
cup
What
is
in
the
cup
知识梳理
本课的不可数名词
水_______
能源_______
石油_______
煤_______
木材_______
塑料_______
纸_______
修饰不可数名词的有____________________________;
常用来修饰可数名词的有___________________________;
可数不可数都可以的有______________________________;
water
energy
oil
coal
wood
plastic
paper
(too)much;
little;
a
little;
(too)
many;
few;
a
few
a
lot
of/
lots
of;
some;
any
修饰可数/不可数名词的量词
不可数名词作主语要看作______________,
谓语动词需要用___________形式；
第三人称单数
三单
1
Save
energy
Most
of
our
energy
comes
from
coal
and
oil.
There
is
not
much
coal
or
oil
on
Earth.
We
should
not
drive
so
much
because
cars
use
a
lot
of
energy.
We
should
save
energy.
Where
does
our
energy
come
from?
What
should
we
do
to
save
energy?
Is
there
much
coal
or
oil
on
the
earth?
coat
boat
toilet
What
do
cars
use?
energy
coal
煤炭
oil
石油
wind
energy
water
energy
70%
18%
coal
oil
Most
of
our
energy
comes
from
coal
and
oil.
知识梳理
most
of
_______________
大多数人/学生：___________________________
come
from意思是________,
它的同义短语是____________;
Does
he
come
from
the
USA?
他来自美国吗？
Is
he
from
the
USA?
Most
of
our
energy
comes
from
coal
and
oil.
Wood
comes
from
trees.
大多数
most
of
people/students
来自
be
from
Wood
comes
from
trees.
(对画线部分提问)
　　　　
　　　　wood
　　　　from??
Where
does
come
1
Save
trees
Wood
comes
from
trees.
We
use
wood
to
make
tables,
chairs
and
many
other
things.
We
should
not
cut
down
too
many
trees
because
trees
help
keep
the
air
clean.
book
/
?/
Where
does
trees
come
from?
What
do
we
use
wood
to
do
?
What
should
/shouldn’t
we
do?
Wood
comes
from
trees.
We
use
wood
to
make
tables,
chairs
and
many
other
things.
We
should
not
cut
down
too
many
trees
because
trees
help
keep
the
air
clean.
Listen
and
fill
in
the
blanks
Listen
and
answer
the
questions
cut
down
We
shouldn’t
cut
down
too
many
trees.
_____comes
from
W
o
o
d
…
We
should
save
trees.
知识梳理
情态动词
情态动词
①本身有词义
②不可单独使用；后+动词原形
③无人称和数的变化
④否定：直接在后面加not
⑤常见情态动词：
can
(could),
may,
must,
have
to,
shall
(should),
will
(would)等
?含有情态动词的句型转换：
知识梳理
按要求改写句子。
1.We
should
make
tables.
(改为否定句)
We
　　　　make
tables.?
划线部分提问：______________________________
shouldn’t
巩固练习
What
should
we
do
?
1
Don’t
use
too
much
plastic
We
use
plastic
to
make
bags
and
bottles,
but
too
much
plastic
is
bad
for
the
Earth.
We
should
not
use
too
many
plastic
bags
or
bottles.
We
should
use
paper
bags
and
glass
bottles.
apple/
?/
What
do
we
use
plastic
to
do
?
Is
plastic
good
for
the
earth?
What
should
/shouldn’t
we
do?
We
use
plastic
to
make
bags,
bottles.
We
should
not
use
too
many
plastic
bags
or
bottles.
We
should
use
paper
bags
and
glass
bottles.
知识梳理
形容词
bad——反义词：good
※Earth
世界上独一无二的名词前，用定冠词the；（moon；sun）
too
much:太多
……_____
be
bad
for…
对……有害；→be
good
for…
对…有好处
Too
much
plastic
is
bad
for
the
Earth.
We
should
not
use
too
many
plastic
bags
or
bottles.
+不可数名词
太多水__________________
too
much
water
太多能源__________________
too
much
energy
too
many__________________
+可数名词复数
so
much
so
many
如此多
例：Too
much
plastic
is
bad
for
the
Earth.
(改写同义句)
Too
much
plastic
　　　　　　　for
the
Earth.??
isn’t
good
There
is
not
much
water
in
many
places.
(
)
Cars
do
not
use
much
energy.
(
)
There
is
much
water
in
many
places.
(
)
We
should
not
reuse
the
water.
(
)
We
should
not
use
plastic
bags
because
they
are
not
useful.
(
)
F
F
F
T
F
课堂检测
巩固练习
1.保护我们的地球____________________
2.
再利用和节约水
____________________
3.
有用的水
____________________
4.
浪费水
____________________
5.
用水清洗东西____________________
6.
在许多地方
____________________
7.
太多水
____________________
8.
在地球上
____________________
9.
许多煤炭和石油
____________________
10.节约能源
____________________
11.我们的大部分能源____________________
12.开那么多车
____________________
13.来自石油和煤炭
____________________
14.挽救树木
____________________
15.使用很多能源
____________________
16.来自树木
____________________
17.砍伐太多的树
____________________
18.
对地球有害____________________
19.太多塑料
____________________
20.使用木头做椅子
____________________
21.太多塑料袋
____________________
22.许多别的东西
____________________
23.使用纸袋和玻璃杯
________________
protect
our
Earth
reuse
and
save
water
useful
water
waste
water
use
water
to
clean
things
in
many
places
too
much
water
on
Earth
much
coal
and
oil
save
energy
most
of
our
energy
drive
so
much
come
from
coal
and
oil
save
trees
use
a
lot
of
energy
come
from
trees
cut
down
too
many
trees
be
bad
for
the
Earth
too
much
plastic
use
wood
to
make
tables
too
many
plastic
bags
many
other
things
use
paper
bags
and
glass
bottles
Sound
time
2
Everyday
I
go
to
school.
I
think
it's
really
cool.
We
have
fun
in
the
classroom.
Every
morning
and
afternoon.
/u:/
知识梳理
/u:/
/
?
/
/u:/
classroom
food
foot
book
look
good
moon
fool
cool
cook
/u:/
/
?
/
知识梳理
look
cook
book
good
oo在k,d前发/?/
[?]
[?]
[?]
[?]
特例：
food
/u:/
知识梳理
boot
tooth
soot
oo在t前发/u:/
[u:]
[u:]
[u:]
特例：
foot
/?/
boot
tooth
soot
oo在t前发/u:/
[u:]
[u:]
[u:]
特例：
foot
/?/
知识梳理
知识梳理
classroom
bedroom
football
storybook
oo在复合名词非重读音节中发/?/
[?]
[?]
[?]
[?]
知识梳理
blood
flood
oo在l和d之间发/?/
[?]
[?]
发音规则
"oo"发[u:]最常见，非重音中要短念。
t前读长[u:]
，k、d之前读短[?
]；
food、foot恰相反
"血"与"水灾"真特殊，"oo"读
/?/
细分辨。"oo"加"r"读作/??/，"poor"读
/p??/
好可怜。
一、选出下列单词中划线部分发音不同的一项。
(
)1.
A.cook
B.good
C.food
(
)2.
A.foot
B.boot
C.tooth
(
)3.
A.classroom
B.football
C.pool
[?]
[u:]
[?]
C
A
[?]
[u:]
[u:]
[?]
[u:]
[?]
C
巩固练习
一、判断下列发音是否相同，相同（T）,不同（F）.
(
)1
.foot
boot
(
)2
.good
food
(
)3
.cook
book
(
)4
.flood
blood
(
)5
.classroom
room
[?]
F
[u:]
[?]
[u:]
[?]
[?]
[?]
[?]
[?]
[u:]
F
T
T
F
巩固练习
课堂检测
5
To
keep
to
make
much
litter
littering
collecting
用所给单词的正确形式填空。
1.They
use
wood
　　　　(make)
tables
and
chairs.?
2.Cars
usually
use
too
　　
　(many)
energy.?
3.—Can
we
　
　here?
?
—No,
you
can’t.
It
says
“No
　　　
　　.”
(litter)?
4.Do
you
like　　　
　　
(collect)
old
clothes??
5.　　　
　　
(keep)
your
room
clean,
you
should
clean
it
every
day.?
课堂检测
单项选择。
(
)
1.Trees
help
　　　　the
air
clean.?
A.keeping　
B.for
keep　
C.keep
(
)
2.Coal
is
　　　　useful
energy.?
A.an
B.a
C./
(
)
3.—Do
you
know
the
news?
—Yes,
Mike
　　　me
　　　it
yesterday.?
A.told;
about
B.tells;
for
C.says;
about
(
)
4.Let’s
start
　　　the
game.?
A.Play
B.playing
C.plays
(
)
5.　　　goes
around
the
sun.?
A.The
moon
B.Moon
C.The
Earth
课堂检测
C
C
A
C
B
课堂检测
课堂检测
Protect
the
Earth
To
protect
the
Earth,
we
should_______________________________________________________________
_________________________________________________________________________________________________
To
protect
the
Earth,
we
shouldn’t____________________________________________________________
__________________________________________________________________________________________________
例文:
　　To
protect
the
Earth,
we
should
save
water.
Water
is
useful,
and
we
drink
water
every
day.
We
should
save
energy
and
save
trees.
We
also
should
use
paper
bags
and
glass
bottles.
　　To
protect
the
Earth,
we
should
not
waste
water.
We
should
not
drive
so
much
because
cars
use
too
much
energy.
We
shouldn’t
use
too
many
plastic
bags
or
bottles.
谢谢聆听