-
Unit 13
We
’
re trying to save the
earth!
说课稿
25
团中学
徐铭敏
一、教学目标：
1.
语言知识目标
基本词汇
：
litter,
advantage, bottom, fisherman, coal, ugly, cost,
wooden, plastic,
takeaway,
industry,
law,
scientific,
afford,
reusable,
transportation,
recycle, metal, creativity,
基本词组
：
be harmful
to, at the top(of sth.), take part in, turn off,
take action, throw
away, put sth. to
good use, pull
…
down, bring
back
基本句型
：
We
’
re trying to save the earth!
The river used
to be so clean.
The air is badly polluted.
No scientific studies have
showed that shark fins are good for health.
We should help
save the sharks.
2.
技能目标
:
能正确运用现在进行时，
现在完成时，
被动语态，
情态动词和<
/p>
used
to
句型。
3.
情感目标
:
有环境危机意识，学会关注环境保护环境。
二、教学重难点：
1.
教学重点：
（
< br>1
）能正确运用现在进行时，现在完成时，被动语态，情态动词
< br>和
used to
句型。
（
2
）保护环境的措施方法。
2.
教学难点：
能正确
运用现在进行时，
现在完成时，
被动语态，
情态动词和
used
to
句型。
三
、
教法
<
/p>
教师通过提出环保的有关话题，来引导学生进行此类话题两两合作或小组对
话，
并激发学生的想象力，
让他们对中国环境污染以及
世界环境污染有一些了解，
然后，
通过一个听力练习引入
We
’
re trying to save
the earth! The river used to be so
clea
n.
等的句型，同时进行环保话题的对话表达，让同学们来回顾复习这些句型
的结构及运用。
然后学生在练习中感知它的结构及用法。
< br>由易到难的练习，
最后
一些句子的表达，
再讨论，
在语境中感知这种句型的运用，
最后再通过让
学生写
一段话来检查同学的掌握情况。
四、学法
学生通过老师的引导，进行
互动练习，掌握用
We
’
re
trying to save the earth!
The river
used to be so clean.
等句型来练习句型，同时也产生对生活对
生活的热
爱，
然后在听力的练习中来让学生重视环保的重要性等
，
然后学习通过练习掌握
句型
，最后学生可以以模仿写有关环保的作文，学生可以有一个参考。教师可
以让学生参照课本中的句子来完成写作。
2015.5.12
Unit 13 We
’
re
trying to save the
earth!
教学设计
25
团中学
徐铭敏
I.
Presentation
Show the picture of the
earth and tell students the earth is polluted now.
For example: (1) The
factories that burn coal pollute the air with a
lot of black smoke.
(2) Factories put
waste into the river.
(3) People should
throw away litter in the bin.
(4)There are more cars on the road.
II. Learning
Here
are
some
words
related
to
different
kinds
of
pollution.
Write
them
in
the
box
below.
Then add more words.
loud
music
cars
rubbish
planes
littering
ships
factories
smoking
building houses
mobile phones
noise pollution
air pollution
water pollution
____________
___________
_____________
____________
___________
_____________
____________
___________
_____________
____________
___________
_____________
Keys : noise pollution
loud music
planes
mobile phones
building houses
air pollution
factories
smoking
cars
building houses
water
pollution
ships
rubbish
littering
factories
III. Listening
1. 1b Listen and complete the
sentences.
What was the problem?
The
river
was
_____________.
Even
the
bottom
(
底
部
)
of
the
river
was
full
of
________.
There
were
no
more
______
for
fishermen (
渔民
) to
catch.
What caused the problem?
People
are
throwing
_______
into
the
river.
Factories are putting ______ into the
river.
How should the problem be
solved?
We should write to the
____________ and ask
them
to
___________
the
factories.
Everyone
should help to
__________ the river.
Keys: really
dirty
rubbish
fish
litter
waste
government
close down
clean up
2. Listen again and
check (
√
) the sentences you
hear.
1) We could go fishing in the
river.
2) The river was really dirty.
3) The river has always been the nicest
river in this town.
4) We should ask
the teachers for help.
Keys: 2 3
IV
. Practice
1. Role-play the conversation in 1c.
Mark: The river was dirty. Even the
bottom of the river was full of rubbish.
Tony: But it used to be so clean!
Mark: Yes, but people are throwing
litter into the river.
Tony: Everyone
in this town should play a part in cleaning it up!
2. Make conversations using the
pollution in 1a.
A: The river has
always been the nicest river in this town.
B: Yes, it used to be so clean.
A: But I was there last weekend and the
river was really dirty.
B: What caused
the problem?
A: People are throwing
litter into the river.
B: What should
we do?
A: Factories are also putting
waste into the river.
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