牛津译林版（2020）必修第三册 Unit 3 The world online to Welcome the unit & Reading (I) 教案

《英语》（必修·第三册）
Unit
3
The
world
online
to
Welcome
the
unit
&
Reading
(I)
I.
Learning
objectives
By
the
end
of
the
lesson,
the
students
will
be
able
to:
1.
know
about
some
important
milestones
in
the
development
of
the
Internet;
2.
think
critically
and
express
their
opinions
on
some
advantages
of
the
Internet;
3.
think
about
what
proper
online
behaviours
are.
II.
Key
competence
focus
1.
Analyse
and
summarize
the
structure
of
the
text.
2.
Think
critically
and
express
opinions
freely.
III.
Predicted
area
of
difficulty
Understand
the
structure
and
keep
a
proper
attitude
towards
the
Internet.
IV.
Teaching
procedures
Step
1
Lead-in
T
shows
the
pictures
and
asks
the
following
three
questions:
?
Who
sent
the
first
email
and
when?
(It
was
sent
in
1971
by
Ray
Tomlinson.)
?
What
did
the
first
webcam
film?
(A
coffee
pot
outside
the
office.)
?
What
were
emojis,
small
digital
images
used
to
do?
(To
express
ideas
or
feelings.)
T
leads
Ss
to
talk
about
the
Internet
by
sharing
the
following
two
questions:
?
What
do
you
often
do
on
the
Internet?
I
use
the
Internet
to
search
for
information
that
can
help
me
with
my
homework;
to
read
the
latest
news;
to
use
the
communication
software
to
keep
in
touch
with
my
friends;
to
listen
to
music;
to
use
apps
to
take
photos
and
play
games...
I
depend
a
lot
on
the
Internet
to
keep
up
to
date
with
what
is
happening
and
to
arrange
my
daily
life;
watching
films
online
in
my
spare
time
is
one
way
to
entertain
myself...
?
What
effects
do
you
think
the
Internet
has
on
your
life?
The
Internet
has
a
great
effect
on
our
life.
Without
the
Internet,
our
life
will
be
different.
【设计意图：本单元的阅读课文是关于使用互联网的好处。在正式进入阅读环节之前，用几张图片和几个问题让学生大致了解一下互联网的发展史，为下一步的阅读做好顺承和铺垫。第二步的两个问题更是对学生进行了头脑风暴，让学生在读之前就已经对于使用互联网进行了积极地思考，并在下一步的阅读中有的放矢地去完成任务。】
Step
2
Reading
for
the
structure
T
asks
Ss
to
underline
the
topic
sentence
for
each
paragraph
and
complete
the
chart
in
A1.
【设计意图：指导学生通过找主题句快速获取段落主旨，以图表方式帮助学生了解语篇的宏观结构，培养学生概括段落大意的能力。】
Step
3
Reading
for
specific
information
T
asks
Ss
to
read
the
article
again
carefully
and
complete
the
table
in
A2.
Advantages
Supporting
details
Advantage
1
?
Having
access
to
(1)
a
huge
amount
of
information
?
Gathering
information
quickly
and
easily
Advantage
2
?
(2)
Having
food
delivered
to
you
?
Doing
shopping
quickly
and
easily
?
Ordering
a
taxi
with
an
app
?
Making
travel
arrangements
?
(3)
Paying
for
almost
everything
on
the
smartphone
Advantage
3
?
Keeping
in
contact
with
loved
ones
?
Finding
(4)
long-lost
friends
?
Discovering
communities
who
share
our
hobbies
【设计意图：让学生仔细阅读课文的第二、三、四段，完成A2的表格，从而帮助学生理解细节信息，同时引领学生了解段落主旨（main
points）和信息支撑句（supporting
sentences
or
examples）的联系，让学生对段落结构、语篇结构形成深刻的理解。】
Step
4
Discussing
and
sharing
T
asks
Ss
to
discuss
the
following
questions
in
groups
:
?
The
author
believes
that
the
Internet
has
benefited
us
in
various
ways.
Can
you
think
of
any
other
examples
to
support
the
author’s
ideas?
?
What
do
you
think
the
problems
with
the
Internet
are?
Make
a
list
of
them.
T
asks
Ss
to
exchange
their
opinions.
T
makes
a
summary.
Advantages:
We
can
rent
bikes
and
cars
using
mobile
apps
to
save
money
and
time;
We
can
share
films
and
videos
with
our
loved
ones
far
away
from
us.
...
Disadvantages:
Personal
information
will
be
stolen;
addiction
to
the
Internet
may
lead
to
social
isolation
and
depression;
Internet
viruses
can
infect
and
damage
our
computers
and
phones.
...
【设计意图：通过前面的阅读，学生已经搭建了一定的知识体系。在这一环节抛出这样两个问题，是培养学生深度思考和批判性思维的能力，让学生学会理性地使用互联网，去其糟粕取其精华。】
V.
Homework
1.
Read
the
article
again
and
underline
the
difficult
points
that
you
cannot
understand.
2.
Finish
Part
B1
on
page
33.