Lesson 17 Save the tigers 教案 (3)

Lesson17
Save
the
tigers
教案
1
新设计
通过一组图片和报道,像学生展示现在野生动物,特别是老虎的生存状况。引导学生展开头脑风暴,谈论现在野生老虎减少的状况,引导学生分析出原因,然后对照课文,学习准确的表达,
2教学目标
Teaching
Aims:
A:
Learn
the
dangers
of
the
tiger,
know
the
reason
and
call
on
students
to
protect
the
tigers.
B:
Learn
to
how
to
express
the
danger
of
the
animals.
Learning
aims:
1.Remember
the
new
words:
centry,
fur,
symbol,
courage,
brave,
chain,
balance,
reason,
disappear,
kill,
cut,
decrease
The
phrases:
at
the
beginning
of...,
drop
to,
food
chain,
in
balance,
in
danger,
cut
down,
as
well.
2.
The
important
sentences:
①
At
the
beginning
of
20th
centry,
the
number
of
tigers
in
the
wild
was
around
100
000.
②But
today
that
number
has
dropped
to
a
few
thousand.
③In
recent
years,
tigers
have
bee
in
danger
of
disappearing.
④People
have
cut
down
many
trees
as
well.
Language
Focus:
1.At
the
beginning
of
20th
centry,
the
number
of
tigers
in
the
wild
was
around
100
000.
At
the
beginning
of...
在...之初
The
number
of...
...的数量
后面的谓语动词要用单数
A
number
of...
许多
后面加名词复数,谓语动词用复数
2.
But
today
that
number
has
dropped
to
a
few
thousand.
词句为现在完成时态,现在完成时结构为have(has)+过去分词结构,表示动作发生在过去,但是仍和现在有联系。
Drop
to
跌落至...
3.
In
recent
years,
tigers
have
bee
in
danger
of
disappearing.
In
danger
of
sth
/doing
意思为处于...的危险中
4.
People
have
cut
down
many
trees
as
well.
Cut
down
为砍到,是动副词短语,如果宾语为代词,则放到两词中间
As
well
也
As
well
as
顺便提一下
3学情分析
通过这一单元前面的学习,学生对于用英语描述动物,表达对动物的看法有了一定的基础,但学到的知识还没有转化成能力。还不能在英语学习中运用灵活运用,所以课堂中老师应尽可能多的运用多种教学方法来引导学生学习。
4重点难点
1.
Learn
to
express
the
reasons
why
the
tigers
are
in
danger
2.
But
today
that
number
has
dropped
to
a
few
thousand.
has
dropped现在完成时
5教学过程
活动1【导入】save　the　tigers
Step
1:
Greeting
(1‘)
Step
2:
Revision.(3‘)
Ask
students
to
answer
these
two
questions
to
review
what
they
learned
yesterday.
1.
What
do
you
know
about
April
Fool’s
Day
2.
Have
you
ever
played
a
trick
on
a
friend
What
did
you
do
Step
3:
Talking
(5‘)
show
ss
the
pictures
about
wild
animals
and
a
piece
of
news
about
the
animals.
Give
students
3mins
to
discuss
and
answer.
Where
can
you
usually
see
a
tiger
Do
you
think
tigers
need
our
help
Why
or
why
not
活动2【讲授】save　the　tigers
Step4:
Learning
(7‘)
Learn
new
words.
Write
these
new
words
on
blackboard
and
ask
students
read
by
themselves,
then
correct
them.
centry,
fur,
symbol,
courage,
brave,
chain,
balance,
reason,
disappear,
kill,
cut,
decrease
read
the
phrases
and
explain
the
meanings
at
the
beginning
of...,
drop
to,
food
chain,
in
balance,
in
danger,
cut
down,
as
well
give
Ss
a
bit
time
to
remember.
Step6:
Listen
to
the
tape
and
answer
questions
(5‘)
1.What
is
‘Save
the
tigers“
2.
Why
tigers
are
important
to
the
environment
3.Why
tigers
are
disappearing
Ask
some
students
answer
and
the
teacher
correct
Step7:
Reading(8’)
Divide
the
students
into
three
groups.
Ask
them
to
read
the
dialogue
by
group
first.
Then
do
exercise1
and
2
on
P43
to
know
the
structure
of
the
text.
Ask
the
Ss
to
answer
it
and
correct.
Step8:
studing
language
points(10‘)
1.At
the
beginning
of
20th
centry,
the
number
of
tigers
in
the
wild
was
around
100
000.
At
the
beginning
of...
在...之初
The
number
of...
...的数量
后面的谓语动词要用单数
A
number
of...
许多
后面加名词复数,谓语动词用复数
2.
But
today
that
number
has
dropped
to
a
few
thousand.
词句为现在完成时态,现在完成时结构为have(has)+过去分词结构,表示动作发生在过去,但是仍和现在有联系。
Drop
to
跌落至...
3.
In
recent
years,
tigers
have
bee
in
danger
of
disappearing.
In
danger
of
sth/doing
意思为处于...的危险中
4.
People
have
cut
down
many
trees
as
well.
Cut
down
为砍到,是动副词短语,如果宾语为代词,则放到两词中间
As
well
也
As
well
as
顺便提一下
5.
For
this
reason,
tigers
are
important
to
the
environment.
For
this
reason
因为这个原因,in
reason
合理的
Be
important
to
do
sth.
对...重要
Animals
are
important
to
the
earth.
活动3【练习】save　the　tigers
I
.填空:
at
the
top
of
,
the
number
of
,
danger,
the
symbol
of
1._____________
students
here
is
five.
2.
It
is________
to
walk
on
thin
ice
in
a
lake.
3.
There
stands
a
tall
tree
___________
the
mountain.
4.
Can
you
say
sth
about
________china
㈡根据提示补全句子
1.
Do
you
have
the
__________(胆量)
to
go
bungee
jumping(蹦极)
2.
Jim,
can
you
give
me
the
__________(理由)
why
you
are
always
late
for
class
3.
A
mouse
was
__________(杀死)
by
my
brother
yesterday.
4.
Now
we
are
in
the
21st
__________(世纪).
5.
He
can
swim
in
the
Yangtze
River,
he
is
so
__________(勇敢的).
6.
This
kind
of
animal
disappeared
in
the
__________(nineteen)
century.
7.
The
number
of
birds
in
this
tree
__________(be)
about
8,000.
活动4【活动】save　the　tigers
Divide
ss
into
4
groups
ask
them
to
discuss
what
we
should
do
to
help
the
tigers
.then
ask
ss
to
present
their
ideas.
活动5【作业】save　the　tigers
Homework
1.
Recite
the
words
and
phrase
of
this
lesson
2.
Do
research
about
another
animal
you
think
in
danger
now,
and
think
what
we
should
do
to
protect
it.