Unit 8 Discoveries Lesson 22 Famous Discoveries 教案（表格式）

英语教学设计
教学基本信息
课题
Unit8Famous
Discoveries
课型
阅读课
年级
初三
教材分析
教学内容分析：
本单元是北师大版九年级第八单元，话题是Discoveries，涉及到著名的发现，年度发现、一份实验报告。在承接Get
Ready
部分有关“发现”话题的基础上，阅读方面包括三项重要发现Lesson
22:
Famous
discoveries(antibiotics,
DNA,
X-rays)；Lesson
24
An
experiment
report种植马铃署的步骤和经过。听力方面是听一段演讲，熟悉正式演讲构成的要素,
Lesson
23
Discovery
of
the
year；写作是写一篇关于自己的发现或经历的报告
Communication
Workshop:Learning
from
discoveries。语法是条件状语从句（conditionals）
Lesson
22是一节阅读课，涉及的话题是Famous
discovery。第一发现是抗生素，它在现实生活中作用比较大，但要注意适当使用。第二发现是DNA，文本中介绍了它的架构，同时通过这个我们可以获知孩子从父母那遗传了哪些基因，同时也能在医学界可以帮助治疗很多疾病。第三个发现是X光射线，介绍了它的发明人及它的作用，在生活中人们把它用到了各行各业中。通过文本学习，使学生了解这些方面的知识，在生活中能够解决一些小问题。
设计思路：
由科技发现的图片和提示词介绍一些科学发现.
激发学生兴趣，引出本节课的话题Discoveries。
通过Skimming的阅读方法，训练学生关注首尾段和标题和插图等内容获取文章主旨大意。
通过细读课文，关注数字、日期、动作等的描述，获取文章的细节信息。
通过完成课文内容的填空练习，复习、诶华本科所学的词汇，进一步理解本科所学的词汇和话题。
通过分析文本，培养学生热爱生活、善于发现的优良品质。
教学目标
在本课学习结束时，学生能够：
1.
通过阅读文本，获取有关three
discoveries的名称、发明人及用途等基本信息。
2.
通过阅读文本，表达出这些发现在现实生活中的所起的作用，了解一些简单的医学常识。
3.
通过本节课的学习，使学生了解到需要长久不懈的努力和坚持，才能有所发现，有所成就。
教学重、难点
教学重点：
通过快速阅读文本，获取文章的主旨大意；通过细读文本，获取文章和细节，了解有关three
discoveries的名称、发明人及用途等基本信息。
通过分析文本，培养学生热爱生活、善于发现的优良品质。
教学难点：
运用阅读技巧，获取文章的主旨大意和细节信息。
教学过程：
教学步骤
教师活动
学生活动
设计意图
技术应用
时间
Step
1
Pre-reading
1.Show
the
students
some
pictures
about
some
people
doing
discoveries.
2.
Lead
in
the
topic
of
Lesson22
“Famous
Discoveries：。”
Look
at
the
pictures
and
the
questions:
What
is
he
/
she
doing
What
are
they
doing
Ask
the
students
to
talk
about
the
pictures
with
the
help
of
some
key
words
and
lead
in
the
topic
of
Lesson
22.
PPT
3’
Step
22
While-reading
1.
The
first
reading
Ask
the
Ss
to
read
quickly
and
get
the
main
idea
of
the
passage.
1)
What’s
the
passage
about
2)
How
many
discoveries
are
mentioned
in
the
passage
Before
reading,
show
the
Ss
Reading
Help:
The
main
idea
of
an
expository
writing
（说明文）is
usually,
but
not
always
in
the
first
paragraph
or
in
the
last
paragraph.
Look
at
the
bold
face
letters（黑体字）
and
pictures
to
get
key
information.
2.
The
second
reading.
1)
Ex.
3
on
P90.
Show
Reading
Help:
Pay
attention
to
key
words
like
numbers,
dates
and
actions.
Match
the
numbers,
dates
and
actions
with
the
events.
2)Ex.4
on
P91
Ask
the
Ss
to
read
the
body
part
and
find
the
answers.
Get
the
Ss
to
read
the
questions.
Help
them
to
read
the
body
part
and
get
the
answers.
Help
them
check
the
answers.
1.
Listen
to
the
teacher
carefully
and
learn
the
Reading
Help.
2.
Read
quickly
and
get
the
answers
to
the
two
questions
according
to
Reading
Help.
3.
Check
the
answers
.
1)
Read
Ex.3
and
try
to
know
what
to
do
in
this
exercise.
2)
Learn
Reading
Help.
3)
Read
the
table
and
try
to
know
what
to
get
in
the
second
reading.
4)
Read
the
body
part
of
the
passage
and
complete
the
table.
5)
Check
the
answers.
1)
Read
and
discuss
the
meaning
of
the
questions
in
pairs
and
try
to
guess
the
meaning
of
“map”
with
the
help
of
the
picture.
2）Read
and
underline
the
answers.
3)
Discuss
the
answers
in
groups.
4)
Check
the
answers
in
class
and
try
to
understand
the
meaning
of
some
key
words
in
the
body
part.
Get
the
Ss
to
pay
attention
to
Reading
Help
and
learn
how
to
get
the
main
idea
of
a
passage.
Ask
them
to
focus
on
pictures
and
bold
face
letters.
Teach
the
Ss
to
learn
how
to
get
some
detailed
information
by
matching
the
numbers,
dates
and
years
with
the
events
Get
the
Ss
to
read
the
passage
carefully
and
learn
to
conclude
and
infer
some
ideas
by
reading
and
understand
the
complex
sentences.
PPT
PPT
PPT
Step
3
Post-reading
Play
the
record.
2.
Ask
the
Ss
to
turn
to
P98
and
do
Ex.B.
Read
with
the
record.
Try
to
finish
the
passage
with
the
words
in
the
box.
1.
Learn
the
correct
pronunciation
and
intonation.
2.
Try
to
understand
the
passage
better.
Check
the
understanding
of
the
passage
and
the
words.
Computer
PPT
Step
4
Homework
1.
Read
the
passage
after
class.
2.
Finish
Ex.
A,
D
on
P160
and
161.
Try
to
finish
the
exercises
after
class.
Check
their
understanding
of
this
lesson.