中小学教育资源及组卷应用平台
Section
A教学设计
一、教材分析：
本课是九年级第二单元第一话题的第一课时。主活动是1a。1a通过对比“West
Hill”今昔的环境变化，引出本话题的污染问题，巩固现在完成时与一般过去时的用法及区别。1b要求学生能够听懂一般过去时态和现在完成时态，也就是要分清1b所提及的词语所伴随的时间。1c则是在阅读之后再找出“西山”所发生的变化。2通过观察图片内容，结对编对话，描述污染前后的情况，进一步训练学生口头表达能力和对一般过去时和现在完成时的运用能力。3通过听并记录“动物的生存现状”，了解环境污染带给动物的危害，继续提高学生的听力水平。任务4的口语表达，培养学生的说的技能，检测对本课的掌握情况。通过本课的学习，培养学生关注环境问题的意识。
二、教学目标：
1.知识目标
掌握本课的重点词汇和短语，巩固一般过去时和现在完成时的用法和区别。
能够用一般过去时和现在完成时描述过去和现在的变化。
正确使用there
be
sth./sb.
doing
sth.来表达“有某人/物正在做某事”。
2.技能目标
能听懂描述环境变化的对话，区别一般过去时和现在完成时的用法。
能理解和运用一般过去时和现在完成时来进行听、说、读、写活动。
3.情感目标
让学生了解环境污染的严重性，并树立环保意识。
通过课文的学习，让学生了解环境的变化，关注全球的环境问题。
三、教学重难点：
1.
教学重点
Words
and
phrases:
bee,
butterfly,
mess,
shame,
several,
pollute,
waste,
villager,
destroy,
cut
down,
goodness,
pour,
see
sb./sth.
do
sth.,
see
sb./sth.
doing
sth.,
cut
down,
my
goodness
Sentences:
What
a
shame!
/
What
a
mess!
The
flowers
and
grass
have
gone!
What
has
happened
here
There
be
sth./sb.
doing
sth.
There
are
several
factories
pouring
waste
water
into
the
stream.
Everything
has
changed.
Grammar:
differences
between
Simple
Past
and
Present
Perfect
tense.
2.
教学难点：
正确使用there
be
sth./sb.
doing
sth.来表达“有某人/物正在做某事”
。
区别使用短语see
sb./
sth.
do
sth.和
see
sb.
/
sth.
doing
sth.。
能正确地以口头和书面形式区别使用一般过去时和现在完成时。
四、学习策略
通过引导学生在听前阅读1b和3，培养学生形成听前熟悉、预测听力材料的习惯。
通过朗读1a和2，引导学生模仿已有对话，编写新的对话。
通过1c，培养学生整合对话信息，将对话转换为语篇的能力。
五、教学过程：
教学环节
教师活动
学生活动
设计意图
热身
1、播放歌曲视频：
Stop
Pollution2、展示学习任务
看视频了解本节学习任务
激发兴趣，初步了解污染明确学习目标
讲授新课
1．
Show
some
pictures
and
let
Ss
match
them
with
the
new
words
properly.2．Show
the
picture
of
West
Hill
which
was
taken
two
years
ago.
Ask
the
Ss
answer
2
questions.(1)
What
can
you
see
in
the
picture
(2)
What
do
you
think
of
the
West
Hill 3.
Show
the
picture
of
West
Hill
which
is
taken
now.
Ask
the
Ss
to
answer
(1)
What
can
you
see
in
the
picture
(2)
What
happened
to
the
West
Hill 4.
Listen
to
1a
and
mare
the
words
in
1b.5.
Put
the
two
pictures
together
and
let
the
Ss
compare
them
to
find
out
the
differences.
6.
Let
students
read
1a
and
complete
the
sentences
in
1c.7.
Let
the
Ss
try
to
retell
1a
with
the
help
of
1c.8.
Let
the
Ss
read
1a
and
find
out
the
key
points.9.
Explain
some
key
points
and
let
the
Ss
do
the
exercises.10.
Let
the
Ss
work
in
pairs
to
make
up
conversations
similar
the
example
in
2.
Then
ask
several
pairs
to
give
a
show.11.
Let
the
Ss
look
at
the
pictures
in
3A,
say
out
the
animals’
names.
And
then
let
them
listen
and
number
the
pictures.12.
Let
Ss
read
the
sentences
in
3B,
Predict
the
phrases
that
can
complete
the
sentences.
Then
let
them
listen
and
check
the
answers..13.
Let
the
Ss
read
the
given
sentences
in
4.
Then
let
them
work
in
groups
to
talk
about
pollution.6.
Class
Exercises.
Look
at
the
pictures
and
guess
which
word
can
refer
to.Look
at
the
picture
and
answer
the
questions.Look
at
the
picture
and
answer
the
question.Listen
and
finish
pare
the
two
pictures
and
tell
the
differences.Finish
1c.Try
to
retell
1a
with
the
help
of
1c.Read
and
find
out
the
key
points.Learn
and
do
the
exercises.Work
in
pairs
to
make
up
conversationsListen
and
number
the
pictures.Listen
and
complete
the
sentences.Work
in
groups
and
talk
about
pollution.
完成课堂练习
检测预习情况，游戏化处理生词检测的方式可以更好地调动学生积极性。看图说话，训练过去时态看图说话，训练现在时态图片对比，综合训练一般过去时和现在完成时。。阅读并找寻有效信息。复述课文解决重难点让学生发现，老师补充，讲练结合表演听力训练：先熟悉材料、做预测再听合作学习检测反馈
课堂小结
1、小结本课学习要点2、布置作业
总结本课知识点
板书
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Section
A
随堂练习
一、单项选择。
(
)1.
Many
years
ago,
the
air
was
fresh
and
the
water
was
clean
here.
We
could
_____
bees
______
and
hear
birds
_______.
A.
see;
dance;
sing
B.
see;
dancing;
singing
C.
saw;
dance;
sing
D.
saw;
dancing;
singing
(
)2.
He
says
he
________
the
Great
Wall
twice.
A.
has
been
in
B.
has
been
to
C.
has
gone
to
D.
has
been
for
(
)3.
People
in
the
Northwest
have
_________
too
many
trees,
so
sandstorm
is
always
coming
in
many
parts
of
China
in
spring.
A.
cut
off
B.
cut
down
C.
cutting
off
D.
cutting
down
(
)4.
This
kind
of
flower
looks
________
,
but
smells
__________.
A.
nice;
terrible
B.
well;
terribly
C.
well;
bad
D.
better;
worst
(
)5.
Don’t
_______
waste
water
________
the
river.
A.
put;
into
B.
pour;
in
C.
pour;
into
D.
put;
to
二、根据首字母提示补全单词。
1.
There
are
s_________
boys
playing
soccer
on
the
playground.
2.
Don’t
w________
even
one
drop
of
water,
because
the
earth
is
very
short
of
water.
3.
Humans
have
p________
their
own
environment
themselves.
4.
Oh,
what
a
m_________!
Environment
has
been
totally
destroyed
by
those
factories.
5.
What
a
s_______!
Those
beautiful
flowers
are
dead
because
of
the
poisonous
(有毒的)soil.
答案
一、
l.
B
see
sb.
doing
slh.看见某人（正在）做某事。
2.
B
has
been
to
表示“去过”。
3.
B
cut
off
断，切断;cut
down
砍倒。
4.
A
look看起来;smell闻起来。两个词都是感官动词，后接形容词作表语。
5.
C
二、
1.
several
2.
waste
3.
polluted
4.
mess
5.
shame
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Unit
2
Saving
the
Earth
Topic
1
Pollution
has
caused
too
many
problems.
Section
A
仁爱科普版
·
九年级上册
对的英语工作室
YESENGLISH
Video
–
Stop
Pollution
Learning
aims
Learn
some
new
words
and
phrases.
Get
to
know:
bee,
butterfly,
pour,
villager,
destroy
Be
able
to
use:
mess,
shame,
several,
waste,
cut
down
Be
able
to
use
some
useful
expressions.
What
a
mess!
What
a
shame!
…
you
can
see
bees
and
butterflies
dancing.
…
there
are
several
chemical
factories
pouring
waster
water
into
the
stream.
Talk
about
the
changes
caused
by
pollution.
Make
sure
that
you
have
mastered
the
differences
between
Simple
Past
and
Present
Perfect
tense.
Say
the
new
words
according
to
the
given
picture.
Look
and
say
Look
at
the
picture,
and
answer
the
following
questions.
(1)
What
can
you
see
in
the
picture
(2)
What
do
you
think
of
the
West
Hill
bee
butterfly
Look
and
say
Look
at
the
picture,
and
answer
the
following
questions.
(1)
What
can
you
see
in
the
picture
(2)
What
happened
to
the
West
Hill
waste
water
Task
1
Listen
and
mark
____
beautiful
____
butterflies
____
dirty
____
grass
____
terrible
____
factory
____
bees
____
fresh
____
clean
____waste
water
P
P
N
P
N
N
P
P
P
N
1b
Listen
to
1a
and
mark
the
words
with
P
(Past)
or
N
(Now).
Find
out
What
has
changed
Task
2
Read,
complete
and
retell
Two
years
ago
Now
1.
It
was
a
_______________.
2.
There
were
___________________.
3.
The
air
was
________________
_______________________
and
you
could
see
______________________.
1.
___________________
have
gone.
2.
The
water
is
________and
smells
___________.
3.
There
are
several
________________
pouring
_______________
into
the
stream.
4.
_____________has
changed.
beautiful
place
lots
of
flowers
and
grass
and
the
water
was
clean
bees
and
butterflies
dancing
The
flowers
and
grass
so
dirty
terrible
chemical
factories
waste
water
Everything
fresh
1c
Read
1a
and
complete
the
sentences
in
the
table.
Then
retell
1a
to
your
partner.
The
air
was
fresh
and
the
water
was
clean,
and
you
could
see
bees
and
butterflies
dancing.
（过去）水清空气新，并且你可以看见蜜蜂和蝴蝶在舞蹈。
see
sb.
doing
sth.
看见某人正在做某事
Let’s
practice.
I
see
her
_______
(take)
notes
carefully.
I saw him _________
(work) in the garden at
this
time
yesterday.
我们可以看见那个男孩在认真听老师讲课。
We
can
_______
the
boy
__________
to
the
teacher
carefully
now.
我们可以看见一些老师坐在我们教室后面。
_________________________________at
the
back
of
our
classroom.
Learn
the
key
points
and
practice.
taking
working
see
listening
We
can
see
some
teachers
sitting
Look,
there
are
several
chemicals
factories
pouring
waste
water
into
the
stream.
看，有几家化工厂正在向小河里排放废水。
there
be
sb.
doing
sth.
有某人正在做某事
Let’s
practice.
There
is
a
boy
_______
(cry).
Let’s
help
him.
Look!
There
_____
some
children
__________
(play)
basketball
on
the
playground.
河里有几只鸭子游着。
______
______
several
ducks
_____________
in
the
river.
我们教室后面有一些老师正在记笔记。
______________________________________at
the
back
of
our
classroom.
Learn
the
key
points
and
practice.
crying
are
playing
There
are
swimming
There
are
some
teachers
taking
notes
Look,
there
are
several
chemicals
factories
pouring
waste
water
into
the
stream.
看，有几家化工厂正在向小河里排放废水。
vi.
&
vt.
浪费,徒劳
make
no
use
of
a.
废弃的,无用的
got
rid
of
as
worthless,
or
of
no
use
n.
[U]
废料,废弃物
used,
or
unwanted
matter;
[U]
浪费;
滥用;
未充分利用
loss,
wrong
use,
我不愿浪费你的时间。
I
don't
like
to
___________________.
房间里有两个废纸篓。
There
are
two
________________
baskets
in
the
room.
把所有垃圾放进这只袋子里。
Put
__________________in
this
bag.
收集这些废纸就是浪费时间。
____________________________________________________________________.
____________________________________________________________________.
Learn
the
key
points
and
practice.
waste
your
time
waste
paper
all
the
waste
It’s
a
waste
of
time
to
collect
the
waste
paper.
Collecting
the
waste
paper
wastes
the
time.
Learn
the
key
points
and
practice.
What
a
mess!
difficult
situation;
disorder;
dirty;
Oh,
my
goodness!
surprised;
Learn
the
key
points
and
practice.
What
a
shame!
sad;
disappointed;
embarrassed;
[ m b r st]
Practice
__________________!
Kangkang
can’t
come
here
and
have
fun
with
us.
__________________!
You
have
done
a
really
good
job.
I’m
proud
of
you!
__________________!
You’d
better
clean
your
room
at
once!
Fill
in
the
blanks
with
proper
sentences.
What
a
shame/pity
Oh,
my
goodness
What
a
mess
Read
1a
again,
and
finish
the
following
tasks.
Find
out
the
key
phrases.
Find
out
the
sentences
you
can’t
understand.
You
could
see
bees
and
butterflies
dancing.
The
flowers
and
grass
have
gone!
Look,
there
are
several
chemical
factories
pouring
waste
water
into
the
stream.
see
sb.
doing
sth.
看见某人（正）做某事
have
gone
=
have
disappeared
There
be…doing
sth…
……有……在做某事
adj.
waste
paper
v.
Don’t
waste
time!
Tips!
Task
3
Look
and
make
Work
in
pairs.
Look
at
the
pictures
and
make
up
conversations
similar
to
the
example
with
your
partner.
Example:
A:
There
were
lots
of
flowers
and
grass
when
I
visited
the
village
last
year.
B:
But
now
the
flowers
and
grass
have
gone.
A:
What
has
happened
here
B:
The
villagers
have
destroyed
them.
lake/fish
factory/pollute
hill/
trees
farmers/cut
down
village/flowers
and
grass
villagers/destroy
The
factory
has
polluted
it.
那家工厂已经污染了它。
vt.
污染;
玷污
to
add
dirty
or
harmful
things
to
land,
air,
water,
etc.
so
that
it
is
no
longer
pleasant
or
safe
to
use
我们不应让废弃物污染我们的河川。
We
should
not
________
our
rivers
with
_________.
她认为这些书腐蚀儿童的心灵。
She
thinks
the
book
has
_________
the
minds
of
children.
那家工厂正在污染空气，我们应该阻止。
We
should
stop
the
factory
that
is
_________
____
___
.
Learn
the
key
points
and
practice.
pollute
waste
polluted
polluting
the
air
Task
4
Listen
and
number
3A
Listen
to
the
sentences
and
number
the
pictures.
5
3
2
1
4
6
Task
6
Listen
and
complete
3B
Listen
again
and
complete
the
sentences.
1.
People
_____
_____
_____
too
many
trees,
so
I
don’t
have
enough
leaves
to
eat.
2.
I
live
in
trees
but
now
many
trees
_____
_____.
3.
I
like
leaves
and
grass,
but
now
they
_____
____________.
4.
I
_____
_____
hungry
for
months
because
of
less
bamboo.
5.
Human
polluted
the
sea,
so
I
_____
_____
________.
6.
The
water
_____
_____
many
years
ago.
But
it
___
____
______
for
me
to
live
in
now.
have
cut
down
have
gone
have
disappeared
have
been
don’t
live
happily
was
clean
is
too
dirty
4
Work
in
groups
and
talk
about
pollution
in
a
place
you
are
familiar
with.
The
following
sentences
may
help
you.
…ago,
it
was…
Now,
…
have/
has
gone.
What
has
happened
Everything
has
changed.
Oh,
my
goodness!
Task
5
Teamwork
Exercise
Choose
the
best
answers.
(
)
1.
Look!
There
are
some
boys
_____________________on
the
playground.
A.
play
football
B.
are
playing
football
C.
playing
football
D.
plays
football
(
)
2.
—
I’m
sorry
I
can’t
go
shopping
with
you.
I
am
ill.
—
___________________
A.
What
a
mess!
B.
What
a
shame!
C.
What
a
pity!
D.
B
and
C
(
)
3.
—
Don’t
________
water.
We
must
save
every
drop
of
it.
—
Sorry,
I
won’t
do
it
again.
A.
waste
B.
throw
C.
play
D.
leave
C
D
A
playing
football
What
a
shame!
What
a
pity!
waste
Exercise
Fill
in
the
blanks
with
the
given
words.
1.
When
I
entered
the
room,
I
saw
Maria
________
(read)
a
Chinese
book.
2.
What
a
shame!
The
flowers
and
trees
in
the
park
____________
(go).
3.
Everything
________________
(change)
in
the
past
few
years.
4.
Pandas
don’t
have
enough
bamboos
________
(eat)
now
because
of
the
pollution.
5.
—
Where
have
they
been
—
They
_____________
(be)
to
the
Great
Wall.
They
_______
(have)
a
good
time
there
the
day
before
yesterday.
reading
have
gone
has
changed
to
eat
have
been
had
Summary
We
learn:
1.
Express
exclamation:
What
a
mess!
What
a
shame!
Oh,
my
goodness!
2.
Know
the
differences
between
Simple
Past
and
Present
perfect.
It
was
a
beautiful
place.
Everything
has
changed.
We
can:
1.
Some
words:
bee,
butterfly,
mess,
shame,
several,
pour,
waste,
destroy,
pollute,
goodness
2.
Some
phrases:
see
sb.
doing
sth.
pour…into..
3.
Some
sentences:
There
are…doing…
Homework
1.
Read
1a.
2.
Write
a
passage
according
to
Part
4.
3.
Finish
Section
A
in
your
workbook.
4.
Preview
Section
B.
THANK
YOU
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