Unit 4 The Internet Connects Us.Lesson 21 Books or Computers?教案

Lesson
21
Books
or
computers？
【Teaching
aims】
Knowledge
and
Ability
Objects
（1）Learn
the
key
words
and
phrases.
press,
appear, modern, electronic, sell
(sold/sold).
pass
on, by
hand, printing
press, keep
on.
（2）Know
the
history
of
books.
2.
Method
Objects
in
Teaching
Master
the
reading
strategies,
improve
the
reading
skills.
(1)
Skimming,
know
the
main
ideas
of
the
passage.
(2)
Scanning,
find
out
some
details
to
fill
in
the
blanks.
Sensibility
and
Value
Make
students
love
reading
books,
and
keep
on
reading
all
the
times
in
their
lifetime.
【Teaching
Key
Points
and
Teaching
Difficulty
】
Teaching
Key
Points
（1）Key
words
and
phrases
in
this
lesson
（2）Talk
about
the
history
of
books
Teaching
Difficulty
Talk
about
the
importance
of
the
printing
press
and
the
Internet.
【Teaching
arrangement】45minutes
【Teaching
aids】multimedia
【Teaching
methods】the
task-based
teaching
method,
autonomic
learning
method,
cooperative
learning
method
【Teaching
procedures】
Step
Ⅰ
Leading
in
Have
a
free
talk.
Show
the
perform
of
Dashuhua.
And
make
students
have
interest
in
history.
Then
talk
about
the
history
of
books.
【设计意图:】视频印象深刻，激起学生学习的兴趣。Step
Ⅱ
Scanning
Paper
With paper, people began to
their stories. People wroteeach word ________. It took a
long
time to write one book.I__________ couldn’t travel far.
Printing press
When the printing press a_________, it changed the world. The m________ printing press can print books
, and makes it possible for the c_______ person to have easy access to read books.
Internet
Computers
and the Internet changed the world. They made it possible for a new kind of book: the e_______ books. Traditionally books
could
only be bought and sold at the store, but today you can buy and s_______ books online.
【设计意图:】运用寻读法,引导学生从文中获取所需信息,引导学生对于重点单词和短语识记并在语境中运用。
Step
Ⅲ
Skimming
Skim
the
passage,
know
the
main
ideas.
Grasp
the
main
structure
of
the
passage.
And
finish
the
tasks.
Task
1
判断正误(“T”
or
“F”)
(
)1.
In
ancient
times,
people
wrote
books
by
printing
press.
(
)2.
With
modern
technology,
it
was
possible
to
print
books
quickly.
Task
2
完成句子Complete
the
sentences
1.______________are
quickly
changing
people's
reading
habits.
2.
Recently,
____
_________
_
changed
the
world
again.
Task
3
回答问题
What
made
it
possible
to
print
books
quickly
Task
4
找出文章的主题句
Task
5
英译汉
No
matter
what
you
have,
a
computer,
a
tablet,
a
laptop,
an
e-reader
or
a
real
book,
keep
on
reading!
【设计意图:】运用略读法整体感知课文,找到每一段的中心思想,把握文章的总体结构。请学生找到是哪些词汇或句子帮到了他,在文本中用笔划出答案。对学生进行阅读策略指导,文章的主旨句一般出现在首段或尾段,每一段的中心句大多在段首或段尾。
StepⅣ
Careful
reading
Put
the
sentences
in
the
correct
order.
(
)
It
took
a
long
time
to
write
just
one
book.
(
)
It
made
it
possible
for
common
people
to
read
books.
(
)
The
e-book
appeared.
(
)
People
had
no
books,
and
they
shared
knowledge
by
telling
stories.
(
)
The
printing
press
appeared.
(
)
People
download
books
from
the
Internet.
(
)
The
printing
press
appeared.
(
)
People
download
books
from
the
Internet.
(
)
With
paper,
people
began
to
write
down
stories.
【设计意图:】通过阅读把握文章整体思路,理解文章内容。
StepⅤ
Retelling
Ask
students
to
retell
the
history
of
books.
【设计意图:】通过复述把握文章整体思路,深化文章内容，培养学生口语表达能力。
StepⅥ
Discussion
Which invention do you think is more important --the printing press or
the Internet Why
Answer:
I think ______is more important than_____. Because ____________.
【设计意图:】小组讨论是更好的对本课所学知识的运用,是语言的输出,有利于提高学生的口语表达的能力。进行写作的指导,先亮明自己的观点,再说明理由。
StepⅦ
Summary
1.
What
have
we
learned
in
this
lesson
2.
No
matter
what
we
have,
we
must
keep
on
reading.
Make
reading
become
a
habit
in
our
life.
3.
Famous
saying:
Books
are
the
best
friends.
No
matter
what
difficulties
you
meet
with
in
life,
you
can
turn
to
them
for
help
and
they
will
never
discard(抛弃)you.——Alphonse
Daudet
(French
writer) 【设计意图:】进行课堂小结。书是我们的朋友,鼓励学生多读书,坚持读书,让阅读成为一种习惯。
Step
Ⅷ
Homework
1. Master the new words and phrases.(基础)
2. Retell the history of books.
(拔高)
3. Write a short passage.(拓展)
Which invention do you think is more important---the printing press or
the Internet Why
【设计意图:】分层作业,使不同层次的学生完成不同的作业。英语基础较差的学生可以完成复述,而基础较好的学生可以要求完成写的作业。关注学生的个体差异,有效做到因材施教。
Blackboard
Design
In
ancient
times
many
ways
computers
and
Internet
no
books
paper
books
The
history
of
books
Nowadays
Recently
Then