(共37张PPT)
Module
9
Population
Unit
1
The
population
of
China
is
about
1.37
billion.
2020年秋外研（新标准）版英语八年级上册精品课件
学
习
目
标
学习本单元新单词及短语：
noise,
prepare,
notes,
report,
grow,
huge,
cause,
problem,
increase,
birth,
billion,
fifth,
hang
on
。
1
3
通过听说训练，了解人口增长对环境的影响，培养全球意识和环保意识。
谈论人口问题；
2
课
堂
导
入
Discussion
What’s
the
population
of
our
city?
What
may
the
growing
population
cause?
Now
more
and
more
people
are
living
and
working
in
our
city.
It
may
be
more
difficult
to
find
jobs.
More
and
more
cars
appear
in
the
city.
They
cause
noise
pollution
and
air
pollution.
The
risk
of
accidents
increases.
Too
many
people
produce
a
lot
of
rubbish.
City
rubbish
has
become
a
big
problem.
The
government
has
to
pay
to
build
more
schools
and
hospitals.
Listening
and
vocabulary
课
堂
学
习
Work
in
pairs.
Look
at
the
picture
and
talk
about
it.
Use
the
words
in
the
box
to
help
you.
noise
people
space
traffic
Warming
up
1
What
is
the
population
of
Beijing?
a)
About
11
million.
b)
About
13
million.
c)
About
20
million.
2
What
is
the
population
of
Chongqing?
a)
About
28
million.
b)
More
than
33
million.
c)
About
36
million.
Listen
and
choose
the
correct
answer.
Listening
Tapescript:
Betty:
I
went
to
shopping
in
the
city
centre
with
my
family
last
week.
Tony:
Did
you
have
a
good
time?
Betty:
Yes,
I
did,
but
there
was
a
lot
of
traffic
on
the
way
there.
Then
there
were
too
many
people
and
not
enough
space.
It
was
impossible
to
move.
And
the
there
was
a
lot
of
noise.
Tony:
Well,
Beijing
a
big
city.
Betty:
Yes,
it
is.
It
has
a
population
of
about
twenty
million.
Tony:
Twenty
million!
Does
Beijing
have
the
largest
population
on
China?
Betty:
No,
it
doesn’t.
Chongqing
has
the
largest
population
in
China.
More
than
thirty-three
million
people
love
there.
Tony:
Really?
That’s
a
lot
of
people!
Betty:
Yes,
and
there’s
a
lot
more
pollution
in
the
air.
Listen
and
read.
Then
complete
the
notes.
Babies
born
every
minute
in
the
world:
____________________
Babies
born
every
year
in
the
world:
______________________
Population
of
China:___________________________________
Population
of
the
world:________________________________
over
250
over
131.4
million
about
1.37
billion
about
7
billion
Fast
reading
1
What
is
Tony
doing
now?
2
What
is
the
name
of
Tony’s
report?
3
Will
China’s
population
grow
fast
in
the
future?
Why
or
why
not?
He
is
preparing
some
notes
for
a
report.
It’s
Our
growing
population.
No,
it
won’t.
Because
families
in
China
is
getting
smaller.
1.
Read
the
conversation
again
and
answer
the
questions.
Careful
reading
为……准备……
谈论
例如
太多
prepare…for…
talk
about
such
as
too
much
population
increase
the
population
of
one
fifth
hang
on
write
down
in
the
future
人口增长
……的人口
五分之一
稍等
2.
Translate
the
following
phrases
into
Chinese.
写下；记下
将来
Tony
is
(1)
__________
some
notes
for
his
report
(2)
_______
“Our
growing
population”.
Lingling
is
giving
him
some
(3)
_______.
Population
increase
(4)
________
a
lot
of
problems
in
Beijing.
It
is
also
a
big
problem
in
many
other
cities.
China
has
one
(5)
________
of
the
world’s
population.
But
in
the
future,
China’s
population
won’t
(6)
______
fast
because
families
in
China
is
getting
smaller.
call advice fifth cause
grow prepare
preparing
called
causes
fifth
grow
Complete
the
passage
with
the
correct
form
of
the
words
in
the
box.
Post-reading
advice
Choose
the
correct
answer.
1
Birth
happens
at
the
start
/
at
the
end
of
life.
2
Huge
means
large
/
small.
3
An
increase
in
population
means
more
/
fewer
people.
4
Hang
on
a
minute
means
waiting
for
a
short
time
/
a
long
time.
5
Making
notes
means
writing
a
long
passage
/
a
few
words.
6
A
problem
is
something
easy
/
difficult.
7
A
report
is
a
long
piece
of
writing
/
a
few
words.
8
A
billion
is
a
hundred
/
a
thousand
million.
Vocabulary
Language
points
1.
I
am
preparing
some
notes
for
a
report
called
“Our
growing
population”.
我正在为一篇题为《我们日益增长的人口》的报告准备笔记。
prepare动词，意为“准备；预备”。
(1)
prepare
sth.
准备某物
Mum
was
preparing
dinner
at
that
time.
那时妈妈正在准备晚餐。
(2)
prepare
sth.
for
…
为……准备某物，for表示目的。
Let’s
prepare
some
food
and
drink
for
our
picnic.
我们为野餐准备一些食物和饮料吧。
(3)
prepare
for
为……作准备
They
are
busy
preparing
for
the
Spring
Festival.
他们正忙着为春节做准备。
2.
Beijing
is
a
huge
city
with
a
large
population.
北京就是一个人口众多的大城市。
population名词，意为“（某地的）人口”。
(1)表示人口数量多通常用形容词big或large，表示人口数量少通常用small。
It
is
a
beautiful
city
with
a
small
population.
它是一个有着少量人口的美丽城市。
The
population
of
China
is
much
larger
than
that
of
Canada.
中国的人口比加拿大人口多很多。
(2)
询问某地的人口数量用句型“What
is
the
population
of…?
”。
What’s
the
population
of
Beijing?
北京的人口数是多少？
(3)表达人口数的句型有：
①
…
has
a
population
of…
China
has
a
population
of
about
1.37
billion.
中国人口约13.7亿。
②
…with
a
population
of…
/
…
people
It
is
a
beautiful
city
with
a
population
of
50
thousand.
It
is
a
beautiful
city
with
50
thousand
people.
它是一个人口五万的美丽城市。
③
the
population
of…
The
population
of
the
city
will
be
38.7
million
by
2025.
到2025年，这个城市的人口将达到38,7
00,000.
3.
That
causes
a
lot
of
problems,
such
as
too
much
traffic
and
noise.
这引发了很多问题，例如交通拥堵工噪音过多。
(1)
辨析：problem与question
In
the
end,
they
solved
all
the
problems.
最终，他们解决了所有的难题。
The
boy
always
has
so
many
questions
to
ask.
这个孩子总是有这么多的问题要问。
problem
麻烦；问题
通常指以难解决的问题，常与solve等连用
question
问题
通常指普通的疑问，常与ask和answer等连用
(2)
辨析：too
much,
too
many与much
too
[拓展]too
much可修饰动词，意为“太多”。
Don’t
watch
TV
too
much.
不要过多地看电视。
too
much
太多。修饰不可数名词
too
much
rubbish
太多的空间
too
many
太多。修饰可数名词（复数）
too
many
apples
太多的苹果
much
too
太。修饰形容词或副词，表示程度
much
to
expensive
太贵
(3)
辨析：noise,
sound与voice
There
is
usually
a
lot
of
noise
in
the
street
at
the
moment.
此刻在街道上通常有很大的噪音。
Can
you
hear
the
sound
of
the
running
water?
你能听到流水的声音吗？
She
has
a
sweet
voice.
她有着甜美的歌喉。
noise
通常指不悦耳的“噪音”或“嘈杂声”
sound
统指自然界的各种“声音”
voice
通常指人说话或唱歌的“嗓音”，也可指鸟鸣的声音
4.
That’s
almost
one
fifth
of
the
world’s
population,
that
is,
about
7
billion.
那几乎是约70亿世界人口的五分之一。
one
fifth意为“五分之一”。在英语中表达分数时，分子用基数词，分母用序数词。当分子大于一时，分母要用复数形式。
one
third
三分之一
two
thirds
三分之二
four
fifths
五分之四
[注意]
在英语中有些分数有固定的表达法：
a
half
一半；二分之一
a
quarter
四分之一
three
quarters
四分之三
[拓展]
在句子中，分数作主语时，谓语动词与分数后面的名词在数上保持一致。
One
third
of
the
students
have
lunch
at
school.
三分之一的学生在学校吃午饭。
Two
fifths
of
the
island
is
covered
with
snow
all
year
round.
这个岛有五分之二常年被雪覆盖着。
Pronunciation
and
speaking
1.
Listen
and
repeat.
8,742
eight
thousand,
seven
hundred
and
forty?two
2,463,128
two
million,
four
hundred
and
sixty?three
thousand,one
hundred
and
twenty?eight
1,370,000,000
one
billion,
three
hundred
and
seventy
million
2,000,030,000
two
billion
and
thirty
thousand
Summing
up
87,
423,
056,
391
billion
million
thousand
eighty–seven
billion,
four
hundred
and
twenty-three
million,
fifty–six
thousand,
three
hundred
and
ninety-one
2.
Check
(√)
the
statements
you
agree
with.
1
There
are
too
many
people
in
the
world.
2
The
increasing
population
is
the
biggest
problem
in
the
world.
3
People
should
not
have
too
many
babies.
4
A
city
should
not
hold
more
than
one
million
people.
Now
work
in
groups
and
discuss
your
answers.
I.
短语翻译
１、为……
准备……
２、
……的人口
３、例如
４、
将来
５、稍等
６、五分之一
７、太多
８、写下；记下
９、谈论
prepare…for…
such
as
hang
on
too
much
the
population
of
in
the
future
one
fifth
write
down
课
堂
达
标
talk
about
II.单项填空
1.
---
Why
are
you
so
tired
these
days?
---
Because
I
have
______
work
to
do.
A.
too
much
B.
to
many
C.
much
too
D.
many
too
2.
______
of
the
city
______
covered
with
parks
and
gardens.
A.
Three
fifth;
is
B.
Three
fifths;
is
C.
Three
fifth;
are
D.
Three
fifths;
are
3.
Xi’an
is
a
great
city
______
a
long
history.
A.
in
B.
about
C.
with
D.
about
4.
The
______
is
that
my
daughter
is
too
young
to
look
after
herself.
What
should
I
do?
A.
chance
B.
success
C.
increase
D.
problem
A
B
C
D
1.
They
want
to
find
out
what
c__________
the
big
fire.
2.
Nancy
is
five
years
old.
Her
parents
are
having
a
party
for
her
f_______
birthday
now.
3.
The
city’s
house
prices
i__________
by
20%
last
year.
4.
Your
dad
is
sleeping.
Don’t
make
too
much
n________.
5.
The
weather
r________
says
it
will
be
windy
this
afternoon.
III.
根据句意及首字母提示完成句子
aused
ifth
oise
eport
ncreased
1.
不要在电脑屏幕前花费太多的时间。(too
much)
__________________________________________________________________
2.
昨天这个时间，我们正在为圣诞节晚会做准备。(prepare)
__________________________________________________________________
3.
你们城市的人口是多少？(population)
__________________________________________________________________
4.
人口增长将引发许多问题。(cause)
__________________________________________________________________
5.
我们班里三分之一的同学步行上学。(one
third)
____________________________________________________________
IV.用括号内所给的单词或短语，将下列句子翻译成英语
Don’t
spend
too
much
time
in
front
of
the
computer
screen.
What’s
the
population
of
your
city?
We
were
preparing
for
the
Christmas
party
at
this
time
yesterday.
Population
increase
will
cause
a
lot
of
problems.
One
third
of
the
students
in
our
class
walk
to
school.
1.
Read
the
conversation.
2.
Talk
with
your
partner
about
population
problems.
Homework
Thank
you
!
谢谢
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Module
9
Population
Unit
1
The
population
of
China
is
about
1.
37
billion.
设计说明
从谈论你所在的城市或城镇的人口数量和人口增长所引发的问题引入新课。通过听力练习和对话演练，提升学生的听说能力和朗读能力。学习本模块的新单词、短语和句型，学习新语言点，增加学生的语言积累。学习冠词的基本用法和大数字的读法。设置相应练习，巩固学生对单词、短语、句型和语法的掌握，提升运用能力。增强学生对社会问题的关注意识。
教学目标
通过本单元的教学，让学生达成以下目标：
1.
知识目标
掌握本单元新单词及短语：noise,
prepare,
notes,
report,
grow,
huge,
cause,
problem,
increase,
birth,
billion,
fifth,
hang
on。
2.
能力目标
(1)能够听懂关于城市人口问题的对话；用正确的语音、语调朗读对话；
(2)学习冠词的基本用法和大数字的读法。
3.
情感目标
通过听说训练，了解和关注人口增长的现状，唤起学生的忧患意识并引发他们的思考。
重点难点
重点：对话的理解与朗读；冠词的基本用法和大数字的读法。
难点：大数字的读法。
教学准备
PPT课件；城市人口图片；活动2、3、5的录音
授课时数
2课时
教学过程
Step
1 Leading
in
T:
Boys
and
girls,
do
you
know
how
many
people
there
are
in
your
city?
And
what
is
the
population
of
China?
Ss:
…
T:
The
larger
population
the
city
has,
the
better
the
city
will
be.
Do
you
agree?
Ss:
…
T:
In
this
class,
we’ll
talk
about
population.
Step
2 Warming
up
Work
in
pairs.
Look
at
the
picture
and
talk
about
it.
Use
the
words
in
the
box
to
help
you.
(Activity
1
on
page
72)
1.
Ask
the
class
to
look
at
the
picture
and
think
what
it
shows.
2.
Tell
the
students
to
talk
about
the
picture
in
pairs.
It
is
a
good
way
to
describe
the
picture
by
asking
and
answering
questions.
For
example:
—What
can
you
see
in
the
picture?
—I
can
see
buildings,
cars
and
a
lot
of
people.
—Is
there
much
traffic
in
big
cities?
—Yes,
there
is.
…
Step
3 Listening
Listen
and
choose
the
correct
answer.
(Activity
2
on
page
72)
1.
Write
some
large
numbers
on
the
blackboard
and
teach
the
students
to
read
them.
2.
Ask
the
class
to
practise
saying
the
numbers.
3.
Tell
the
students
to
read
the
questions
and
guess
the
answers
with
their
partners.
4.
Play
the
recording
and
tell
the
students
to
listen
for
their
answers.
5.
Play
the
recording
once
more
for
the
students
to
check
their
answers.
6.
Check
the
answers
with
the
students.
Answers:
1
c)
2
b)
7.
Play
the
recording
again
and
show
the
tapescript
at
the
same
time
if
necessary.
Step
4 Listening
and
reading
1.
Ask
the
class
to
listen
to
the
recording.
2.
Complete
the
notes.
(Activity
3
on
page
73)
(1)
Ask
the
students
to
read
the
notes
first.
And
then
read
the
conversation
and
underline
the
key
information.
(2)
Ask
them
to
complete
the
notes
with
numbers.
(3)
Check
the
answers
with
their
partners.
Answers:
over
250;
over
131.
4
million;
about
1.
37
billion;
about
7
billion
3.
Read
the
conversation
again
and
answer
the
questions.
(
1.
What
is
Tony
doing
now?
2.
What
is
the
name
of
Tony’s
report?
3.Will
China’s
population
grow
fast
in
the
future?
Why
or
why
not?
)
(1)
Check
the
answers
with
their
partners.
Answers:
1.
He
is
preparing
some
notes
for
a
report.
2.
It’s“Our
growing
population”.
3.
No,
it
won’t.
Because
families
in
China
is
getting
smaller.
(2)
Ask
the
students
to
work
in
pairs
to
ask
and
answer
the
questions.
4.
Find
out
the
following
phrases
and
translate
them
into
Chinese.
(
1.
prepare…for…
为
……
准备
……
2.
talk
about
谈论
3.
s
uch
as
例如
4.
too
much
太多
5.
population
increase
人口增长
6.
the
population
of
……
的人口
7.
one
fifth
五分之一
8.
hang
on
稍等
9.
write
down
写下；记下
10.
in
the
future
将来
)
Ask
the
students
to
write
down
the
phrases
on
their
notebooks.
5.
Read
the
conversation.
(1)
Ask
the
students
to
follow
the
recording
to
read
the
conversation.
(2)
Tell
them
to
read
the
conversation
on
their
own.
(3)
Encourage
some
students
to
read
the
conversation
in
different
roles.
Step
5 Practice
1.
Complete
the
passage
with
the
correct
form
of
the
words
in
the
box.
(
call
advice
fifth
cause
grow
prepare
)
(
Tony
is
(1)
______
__
some
notes
for
his
report
(2)
______
__
“Our
growing
population”.
Lingling
is
giving
him
some
(3)
______
__
.
Population
increase
(4)
______
__
a
lot
of
problems
in
Beijing.
It
is
also
a
big
problem
in
many
other
cities.
China
has
one
(5)
______
__
of
the
world’s
population.
But
in
the
future,
China’s
population
won’t
(6)
______
__
fast
because
families
in
China
are
getting
smaller.
)
Answers:
(1)
preparing
(2)
called
(3)
advice
(4)
causes
(5)fifth
(6)increase
2.
Choose
the
correct
answer.
(Activity
4
on
page
73)
(1)
Ask
the
students
to
read
through
the
sentences
and
try
to
understand
them.
(2)
Ask
them
to
choose
the
correct
answer
on
their
own.
(3)
Check
the
answers
in
groups.
Answers:
1
at
the
start
2
large
3
more
4
a
short
time
5
a
few
words
6
difficult
7
a
long
piece
of
writing
8
a
thousand
Step
6 Language
points
1.
I’m
preparing
some
notes
for
a
report
called
“Our
growing
population”.
我正在为一篇题为《我们日益增长的人口》的报告准备笔记。
prepare动词，意为“准备；预备”。
(1)
prepare
sth.
准备某物
Mum
was
preparing
dinner
at
that
time.
那时妈妈正在准备晚餐。
(2)
prepare
sth.
for
…
为……准备某物，for表示目的。
Let’s
prepare
some
food
and
drink
for
our
picnic.
咱们为野餐准备一些食物和饮料吧。
(3)
prepare
for
为……做准备
They
are
busy
preparing
for
the
Spring
Festival.
他们正忙着为春节做准备。
2.
Beijing
is
a
huge
city
with
a
large
population.
北京就是一个人口众多的大城市。
population名词，意为“(某地的)人口”。
(1)表示人口数量多通常用形容词big或large，表示人口数量少通常用small。
It
is
a
beautiful
city
with
a
small
population.
它是一个有着少量人口的美丽城市。
The
population
of
China
is
much
larger
than
that
of
Canada.
中国的人口比加拿大人口多很多。
(2)
询问人口数量常用句型“What
is
the
population
of…?
”。
What’s
the
population
of
Beijing?
北京的人口数量是多少？
(3)表达人口数量的句型有：
①
…
has
a
population
of…
The
country
has
a
population
of
about
one
billion.
这个国家人口约10亿。
②
…with
a
population
of…/…with…people
It
is
a
beautiful
city
with
a
population
of
50
thousand.
It
is
a
beautiful
city
with
50
thousand
people.
它是一个有着人口数量五万的美丽城市。
③
the
population
of…
The
population
of
the
city
will
be
38.
7
million
by
2025.
到2025年，这个城市的人口数量将达到38700000.
3.
That
causes
a
lot
of
problems,
such
as
too
much
traffic
and
noise.
这引发了很多问题，例如交通拥堵和噪音过多。
(1)
辨析：problem与question
problem
麻烦；问题通常指难以解决的问题，常与solve等连用question
问题通常指普通的疑问，常与ask和answer等连用
In
the
end,
they
solved
all
the
problems.
最终,他们解决了所有的难题。
The
boy
always
has
so
many
questions
to
ask.
这个孩子总是有这么多的问题要问。
(2)
辨析：too
much,
too
many与much
too
too
much
太多,修饰不可数名词too
much
space
太多的空间too
many
太多,修饰可数名词(复数)too
many
apples
太多的苹果much
too
太,修饰形容词或副词，表示程度much
too
expensive
太贵
[拓展]
too
much可修饰动词，意为“太多”。
Don’t
watch
TV
too
much.
不要过多地看电视。
(3)
辨析：noise,
sound与voice
noise
通常指不悦耳的“噪音”或“嘈杂声”sound统指自然界的各种“声音”voice
通常指人说话或唱歌的“嗓音”，也可指鸟鸣的声音
There
is
usually
a
lot
of
noise
in
the
street
at
the
moment.
此刻在街道上通常有很大的噪音。
Can
you
hear
the
sound
of
the
running
water?你能听到流水的声音吗？
She
has
a
sweet
voice.
她有着甜美的歌喉。
4.
That’s
almost
one
fifth
of
the
world’s
population,
that
is,
about
7
billion.
那几乎是约70亿世界人口的五分之一。
one
fifth意为“五分之一”。在英语中表达分数时，分子用基数词，分母用序数词。当分子大于一时，分母要用复数形式。
one
third
三分之一
two
thirds
三分之二
four
fifths五分之四
[注意]
在英语中有些分数有固定的表达法：
a
half
一半；二分之一
a
quarter
四分之一
three
quarters
四分之三
[拓展]
在句子中，分数作主语时，谓语动词与分数后面的名词在数上保持一致。
One
third
of
the
students
have
lunch
at
school.
三分之一的学生在学校吃午饭。
Two
fifths
of
the
island
is
covered
with
snow
all
year
round.
这个岛有五分之二常年被雪覆盖着。
Step
7 Pronunciation
and
speaking
1.
Listen
and
repeat.
(Activity
5
on
page
73)
(1)
Ask
the
students
to
read
the
numbers
individually.
(2)
Play
the
recording
for
the
students
to
listen
for
the
pronunciation
of
the
numbers
and
where
the
pauses
are.
(3)
Play
the
recording
again.
Pause
and
have
the
students
repeat
the
numbers.
(4)
Encourage
some
students
to
read
the
numbers.
Remind
them
of
paying
attention
to
the
pauses.
(5)
Sum
up
the
rules
of
reading
larger
numbers
together
with
the
class.
(6)
Ask
the
students
to
work
in
pairs.
One
writes
some
larger
numbers,
and
the
other
reads
them
out.
2.
Check
(√)
the
statements
you
agree
with.
(Activity
6
on
page
73)
(1)
Write
up
“Population
problems”
on
the
blackboard
and
ask
the
class
to
think
about
the
topic.
Elicit
their
ideas.
(2)
Ask
the
class
to
look
at
the
statements
and
decide
whether
they
think
the
statements
are
true
or
not.
(3)
Tell
the
students
to
work
in
groups
and
discuss
their
answers.
Give
reasons
for
their
opinions.
Step
8 Homework
1.
Read
the
conversation.
2.
Talk
with
your
partner
about
population
problems.
当堂达标
I.
单项填空
1.
—Why
are
you
so
tired
these
days?
—Because
I
have
________
work
to
do.
A.
too
much
B.
too
many
C.
much
too
D.
many
too
2.
________
of
the
city
________
covered
with
parks
and
gardens.
A.
Three
fifth;
is
B.
Three
fifths;
is
C.
Three
fifth;
are
D.
Three
fifths;
are
3.
Xi’an
is
a
great
city
________
a
long
history.
A.
in
B.
about
C.
with
D.
for
4.
The
________
is
that
my
daughter
is
too
young
to
look
after
herself.
What
should
I
do?
A.
chance
B.
success
C.
increase
D.
problem
II.
根据句意及首字母提示填写单词
1.
They
want
to
find
out
what
c________
the
big
fire.
2.
Nancy
is
five
years
old.
Her
parents
are
having
a
party
for
her
f________
birthday
now.
3.
The
house
prices
there
i________
by
20%
last
year.
4.
Your
dad
is
sleeping.
Don’t
make
too
much
n________.
5.
The
weather
r________
says
it
will
be
windy
this
afternoon.
III.
用括号内所给的单词或短语，将下列句子翻译成英语
1.
不要在电脑屏幕前花费太多的时间。(too
much)
___________________________________________________________
2.
昨天这个时间，我们正在为圣诞节晚会做准备。(prepare)
___________________________________________________________
3.
你们城市的人口是多少？(population)
___________________________________________________________
4.
人口增长将引发许多问题。(cause)
___________________________________________________________
5.
我们班里三分之一的学生步行上学。(one
third)
___________________________________________________________
答案：I.
1-4 ABCD
II.
1.
caused
2.
fifth
3.
increased
4.
noise
5.
report
III.
1.
Don’t
spend
too
much
time
in
front
of
the
computer
screen.
2.
We
were
preparing
for
the
Christmas
party
at
this
time
yesterday.
3.
What’s
the
population
of
your
city?
4.
Population
increase
will
cause
a
lot
of
problems.
5.
One
third
of
the
students
in
our
class
walk
to
school.
板书设计
Module
9
Population
Unit
1
The
population
of
China
is
about
1.
37
billion.
Population
problems1.
prepare
2.
population
the
population
of…
3.
problems
4.
too
much+不可数名词
too
many
+可数名词复数
much
too+形容词/副词
5.
one
fifth
分子：基数词 分母：序数词
教学反思
教学反思
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