仁爱版英语九年级上册Unit 2 Saving the earth. Topic 2 All these problems are very serious. Section C 教案

仁爱英语九年级上册Unit
2
Saving
the
Earth
Topic
2
All
these
problems
are
very
serious.
Section
C
教学设计
Ⅰ.Teaching
aims
1.Knowledge
aims：
掌握本课的重点词汇和短语，初步感知定语从句。
进一步学习各种污染对地球造成的危害和造成这些污染的原因。
2.Skill
aims:
能读懂有关环境问题的文章。
能根据不同的阅读目的，运用简单的阅读策略获取信息。
能正确运用网络资源获取需要的信息。
能用英语书面的形式表达环境问题的成因及危害。
3.Emotional
aims:
(optional)
通过学习，了解环境现状，帮助学生树立绿色环保意识。
4.Culture
awareness:
(optional)
了解各种环境问题，如臭氧空洞，温室效应等，意识到环境问题的严峻形势。
Ⅱ.
The
key
points
and
difficult
points
1.
Key
points:
Words
and
phrases:
hole,
form,
rise,
oxygen,
ozone
layer,
radiation,
directly,
carbon
dioxide,
blanket,
escape,
the
greenhouse
effect,
refer,
during
this
period,
take
away,
pass
through
Sentences:
(1)
Forests
have
become
deserts,
so
more
and
more
sorts
of
animals
and
plants
are
disappearing.
(2)
As
a
result,
many
rivers
and
lakes
are
now
dead.
(3)
Too
much
harmful
radiation
from
the
sun
passes
through
the
hole
and
reaches
the
earth
directly.
(4)
It
causes
the
level
of
the
oceans
to
rise
and
the
climate
of
the
earth
to
change.
(5)
When
it
rains
or
when
the
wind
blows,
the
earth
is
taken
away.
(6)
The
heat
from
the
sun
can't
escape,
so
the
temperature
is
rising.
Grammar:
indefinite
pronoun
and
adverb
2.
Difficult
points：
理解有关环境方面的专业术语。
能读懂与环境问题相关的科普类文章。
能运用所学知识，写出谈论环境现状的文章。
Ⅲ.
Learning
strategies
能在阅读不同体裁的材料时，运用不同的阅读策略获取信息。
善于利用插图预测科普类文章的内容。
能合理运用网络资源，拓展写作思路和开拓视野。
恰当使用连接词，使自己的作文流畅，有逻辑层次。
Ⅳ.
Teaching
aids
与环境相关的图片；国际臭氧层保护日宣传片等。
Ⅴ.
Teaching
procedures
Step
1.
Review
课前练习，复习Section
A－B的内容。
Step
2.
Lead
in
出示地球妈妈生病的图片，导入环境问题。
Step
3.
Pre-reading
出示环境问题的图片和一些提示词，让学生说一说。
教授单词：oxygen,
ozone,
hole,
radiation,
form,
blanket,
escape,
rise.
词组：take
away,
ozone
layer,
carbon
dioxide,
the
greenhouse
effect.
Step
4.
While-reading
1.给图片连线，预测文章内容。
2.阅读文章，完成1b第1题。教授单词：directly。
3.再读课文，完成1b的第2,3,4,5小题。
4.观看视频，跟读。
Step
5.
Post-reading
1.同桌合作，完成1c的表格填空。
2.小组合作：根据课前搜集的资料，谈论环境问题及其影响。
3.根据1c的表格和活动2讨论的结果，写一篇短文。完成活动3。
Step
6.
Summary
1.小结本课知识点。
2.练习。
3.布置作业。
Ⅵ.
Blackboard
design
Unit
2,
Saving
the
Earth
Topic
2
Pollution
has
caused
too
many
problems.
Section
C
(1)
Forests
have
become
deserts,
so
more
and
more
sorts
of
animals
and
plants
are
disappearing.
(2)
As
a
result,
many
rivers
and
lakes
are
now
dead.
(3)
It
causes
the
level
of
the
oceans
to
rise
and
the
climate
of
the
earth
to
change.
(4)
When
it
rains
or
when
the
wind
blows,
the
earth
is
taken
away.
(5)
The
heat
from
the
sun
can't
escape
so
the
temperature
is
rising.