-
Unit 2
Saving the
Earth
Topic3 what can we do at home to
protect the
environment?
Section B
The
main activities are 1a and 2a.
本课重点活动是<
/p>
1a
和
2a
。<
/p>
Ⅰ
. Teaching aims
and demands
教学目标
1. Learn a new word and a phrase:
ought to, action
2. Learn
some useful sentences:
(1)Would you like to be a greener
person?
(2)First, you ought to turn off the
lights when you leave a room.
(3)Easier said than done.
(4)Well,
actions speak louder than words.
(5)May I have your
attention, please?
3. Go on learning
how to protect the environment.
4. Review giving advice.
Ⅱ
. Teaching aids
教具
空的塑料瓶、罐头瓶、废弃电池
和其他实物
/
录音机
/
小黑板
Ⅲ
. Five-
finger Teaching Plan
五指教学方案
Step 1
Review
第一步
复
习
(
时间
:8
分钟
)
复习上节课的内容；同时，对
学生进行环保教育，导入对
Section
B
的学习。
(
分小组向全班同学汇报上节课的作业。然后教师准备一些废弃物，通过做动作，让学生判
断教师的行为是否正确。
复习上节课的内容并激发学生的学习兴趣，
< br>对他们进行环保教育。
)
T:
(
教师出示一塑料瓶。
) Look
at this plastic bottle. It
’
s
empty and useless. Let
’
s
throw it away.
(
扔在地上。
)
Ss:
(
教师可提示学生回答
)Mr./Miss
…
,
You
’
d better not throw it
away.
`
·
1
·
T:
Why?
Ss:
Because it can be
reused.
T:
(
教师拿出一罐头瓶。
) Here
is a can. It
’
s not useful.
S
1
, please throw it out of
the window.
S
1
: Sorry.
Mr./Miss
…
, I
can
’
t do that. We must
protect our environment and it can be recycled.
T:
What a
greener person!
(
教师指着灯，然后做关灯手势。
) Oh, the
light is still on. S
2
, would
you please turn it off?
S
2
: Sure.
T:
It
’
s
a
good
habit
to
turn
off
the
lights
when
you
are
not
using
them.
To
protect
the
environment, what good
habit should we have?
S
3
: We can reduce
the waste we produce.
S
4
: We should use
both sides of paper.
S
5
: Reuse plastic
bags rather than throw them away.
…
Step 2
Presentation
第二步
呈
现
(
时间
:12
分钟
)
创设语境，教学新单词，并
通过听录音回答问题、找出重难点等形式呈现
1a
。
1. (
继续谈论有关环保的知识，导出并学习
生词及目标语言，为听力扫清障碍。
)
T:
Boys and girls, we have talked about
how to protect our environment. Would you like to
be
a greener person?
Ss: Of
course.
T:
OK. Let
me tell
you what
we should do. We ought to save every
drop of water. We had
better
walk
or
ride
a
bike
while
we
’
re
traveling
a
short
distance.
Take
a
cloth
bag
or
a
basket instead of plastic
bags when we go shopping.
(
板
书并让学生猜其意思，适当讲解并要求掌握
ought to
；
理解
distance
和
cloth<
/p>
。
)
ought to=should
distance
cloth
T:
In fact, it
’
s so
easy in our daily life, but easier said than done.
(
板书并让学生猜测这个句子的意思。
)
Easier said than done.
T:
Would you do as what you said?
Ss:
Yes./Sure.
T:
Good. But actions speak louder than
words.
(
板书并让学生猜测其意思，掌握
action
。
)
Actions speak louder than words.
T:
OK. Jane and Michael are talking about
how to be a greener person.
Let
’
s listen to 1a and
answer the following questions.
`
·
2
·
2. (1)(
教师将已设计好的听
力问题呈现在黑板上，听
1a
录音并核对答案。
)
①
How many pieces of
advice does Jane give in the conversation?
②
Do you think
it
’
s easy to be a greener
person?
(2)(
让学生再听
1a
录音，并说出简的建议。
)
T:
Listen to the tape again, and tell
Jane
’
s advice.
(
教师板书。
)
First, you ought to turn off the lights
…
Second,
you
’
d better walk or ride a
bike instead of
…
Third, take a cloth bag when
…
(
要求学
生跟读这些句子，并用
ought to
和
You
’
d
better
就环保问题给出一些建议。
)
S
1
: You ought to
clean the classroom.
S
2
:
You
’
d better not cut down
the trees.
S
3
:
…
3.
(
让学生仔细阅读
1a
内容并找出重难点
和同桌讨论，教师巡视，了解共性问题并讲解。
可简单复习不定式的用法。
)
T:
Now,
let
’
s read 1a carefully, and
find out the difficulties. Then discuss them in
pairs.
(
板书并解释句型结构。
)
Would you like to be a greener person?
It
’
s
so easy to be a greener person.
It
’
s+adj+to do
sth.
Step 3
Consolidation
第三步
巩固
(
时间
:10
分钟
)
通过做报告或复述对话的形式巩固
1a
，完成
1b
。
1.
方案
(1)(
让学生根据板书的重点，将对话改写成
一篇报告。
)
T: According to the
main sentences, please change the dialog into a
short report.
方案
(2)(
要求学生复述对话。
)
T:
Who can retell 1a? OK, S
1
,
please!
S
1
:
Michael would like to be a greener person. Jane
gives him three pieces of advice. She tells
him that he ought to turn off the
lights when he leaves a room. When he wants to
travel a
short distance,
he
’
d better walk or ride a
bike, not take a bus or a
taxi
…
2. (1)(
让学生看
1b
图片，并口头描述怎样做才能成为
一个更环保的人。
)
T:
Boys
and girls, please look at the pictures about the
daily life in 1b. What do they show us?
Who can tell us? Hands up!
S
2
:
F
rom
a
we
know that we ought to save electricity.
S
3
:
F
rom
b
we
know that
…
S
4
:
F
rom
c
we
know that
…
S
5
:
…
`
·
3
·