必修2
Unit
3
Computers
课
题课
型
Writing
年级
高一
日
期
Unit3
Computers
新授
主备人
复备人
授课人
教
学
目
标
1.grasp
the
key
expressions2.develop?students’?writing?ability.?
重
点
the
key
expressions
难
点
Guide?the?Ss?to?write?a?short?passage?in?English
器
材
Multimedia
教学过程
学生活动
设计意图
授课人标注
Step1:
Students
read
the
vocabulary
of
Unit3
together.Step2:Learn
the
wordsdeal
with
sth.
处理某事watch
out
(for)
当心;
注意watch
for
sb./sth.
观察等待keep
a
watch
on
监视under
the
close
watch
在严密的监视下Step3:Writing?1.know
about
the
topic
of
the
composion.
1.
确定文体：这是一篇说明文。
2.
主体时态：一般现在时。
3.
主体人称：第一人称为主。2.
Think
about
the
structure
of
the
composion.Step4:ExpressionsMy
robot
is
called
...
It
is
the
same
size
as
...
/
It
is
as
large
as
...It
looks
like
a
...Its
job
is
to
do
...
/
It
can
do
..It
is
designed
for
/
to
do
...
It
does
all
the
work
around
the
house.
It
is
very
patient
and
never
complains.
It
is
humorous
and
good-tempered.
It
can
be
with
me
whenever
I
feel
lonely.
My
ideal
robot
in
the
future
will
be
like
...
and
...,
or
perhaps
it
will
help
me
...My
ideal
robot
in
the
future
can
provide
companionship.
My
ideal
robot
in
the
future
can
work
as
/
serve
as
/
be
used
as
...
A
robot
is
a
very
human-like
servant
and
it
cares
for
us.Robots
are
supposed
to
do
boring
and
difficult
jobs
that
humans
can
not
do
or
don’t
want
to
do.
We
can
imagine
a
future
in
which
robots
will
care
for
our
children
and
develop
friendships
with
us.
Step5
Enjoying
the
Sample
Writing
Analyze
the
outline
of
the
sample
writing
T：Boys
and
girls，suppose
you
are
an
android
and
work
for
a
family
with
one
child
who
is
very
spoiled.The
parents
want
you
to
do
everything
for
them.The
parents
are
kind，but
they
often
ask
you
to
watch
over
their
child.How
do
you
feel?What
would
you
do
if
the
child
asked
you
to
do
his/her
homework
for
him/her?Would
you
tell
the
child
“no”?You
may
begin
like
this：Hello，everyone.My
name
is______.I’m
a
321
model
android.I
work
for
the
Li
family...Now，you
will
also
be
given
five
minutes
to
write
your
opinion
and
feelings.Five
minutes
later，the
teacher
shows
two
or
three
of
the
passages
written
by
the
students
using
the
projector
to
find
out
and
correct
the
possible
mistakes
with
the
class.Possible
versionHello，everyone.My
name
is
______.I’m
a
321
model
android.I
work
for
the
Li
family.My
job
is
taking
care
of
their
only
son.The
parents
are
nice
but
the
boy
is
spoiled.The
family
asked
me
to
do
everything
for
them，from
shopping
to
cleaning
the
floors.But
what’s
terrible，the
child
asked
me
to
do
his
homework!That’s
too
much!I’m
an
android，yes，but
I’ve
got
my
mind
and
feelings
I
can’t
do
things
that
are
harmful
to
people
against
my
will!
Step6:HomeworkImagine
you
have
a
android
and
write
a
composition
to
introduce
it.
Students
read
the
vocabularyStudents
learn
the
key
wordsStudents
think
about
the
outlineStudents
learn
the
key
expressionsStudents
read
the
sample
To
get
familiar
with
new
wordsTo
prepare
for
the
writingTo
improve
students
skills
of
writing
板书
设计
Unit3
Computers
Writing-My
android
教学反思必修2
Unit
3
Computers
课
题课
型
Using
language
年级
高一
日
期
Unit3
Computers
新授
主备人
复备人
授课人
教
学目
标
To
grasp
the
key
expressions
to
talk
about
advantages
and
disadvantagesTo
Enable
students
to
talk
about
advantages
and
disadvantagesTo
improve
students’
listening
and
speaking
skills.
重
点
the
key
expressions
to
talk
about
advantages
and
disadvantages
难
点
Talk
about
advantages
and
disadvantages
by
using
the
expressions
器
材
Multimedia
教学过程
学生活动
设计意图
授课人标注
Step1:
Students
read
the
vocabulary
of
Unit
3
together.Step2:
Warming-upThe
21st
century
will
be
the
century
of
Information
Technology.
Before
you
listen,
discuss
in
pairs
what
IT
consists
of.Step
3:Listening(1)Listen
to
the
whole
text
and
write
down
the
main
idea
in
one
sentence.(2)Listen
to
Part
A
and
fill
in
the
chart.
Then
do
the
same
with
Part
B.Step
4:DiscussionWhat
are
the
advantages
and
disadvantages
of
each
form
of
IT?
In
small
groups
discuss
this
question
and
put
your
ideas
onto
the
chart.
Then
decide
when
each
kind
of
IT
is
most
useful.
Use
these
reasoning
expressions
in
your
discussion.Reading
Step5:
Language
points1.personally
adv.
就自己而言;
就我个人来说2.type
n.
类型
e.g.
This
is
a
new
type
of
machine,
with
lots
of
meters
on
it.
这是一种新型的机器,
上面有许多仪表。3.
in
a
way
=
in
one
way
=
in
some
ways
从某种程度上说，从某方面说；有点儿，有几分。
Step
6:
Speaking(1)In
small
groups,
discuss
how
to
design
your
own
android.
The
following
questions
can
help
you.1.
What
would
you
like
it
to
look
like?2.
What
are
some
of
the
things
you
would
like
it
to
do?3.
Do
you
want
it
to
be
like
a
man
or
a
woman,
or
neither?4.
How
much
would
it
cost?
(2)Create
your
own
android.
Fill
in
the
file,
and
compare
with
your
partner.
Step7:
HomeworkFinish
exercise
on
page
42
of
the
workbook.
Students
read
the
vocabularyStudents
listen
to
the
tapeStudents
discuss
with
their
partnersStudents
learn
the
expressions
of
advantages
and
disadvantagesStudents
read
the
text
and
answer
questionsStudents
learn
the
language
pointsStudents
talk
about
their
own
androids
To
get
familiar
with
new
wordsTo
arouse
students’
interest.To
improve
students’
listening
skillsTo
get
the
general
idea
of
reading
and
practice
the
reading
skills.To
grasp
some
key
words.To
improve
students’
speaking
skills.
板书
设计
Unit
3
Computers
Using
language
教学反思必修2
Unit
3
Computers
课
题课
型
Reading
年级
高一
日
期
Unit3
Computers
新授
主备人
复备人
授课人
教
学目
标
Knowledge
objectives:1.
Know
about
computers.2.
Talk
about
the
development
of
computers.3.
understand
the
passage
and
improve
reading
skills.
重
点
Get
the
students
to
learn
different
reading
skills
难
点
Enable
the
students
to
grasp
the
main
idea
of
a
text
and
to
learn
the
development
of
computers.
器
材
Multimedia
教学过程
学生活动
设计意图
授课人标注
Step
1:
Lead-in
Show
two
pictures
of
two
situation
and
ask
students
a
question.
T:What
changes
the
situation?
S:
A
computer.Step
2:
Warming-upShow
some
pictures
about
parts
of
a
computer
and
ask
students
to
give
each
an
English
name.Play
a
game.Step
4:
Discussion1.
Look
at
these
pictures.
In
pairs
discuss
what
they
have
in
common.
2.
What
do
they
tell
you
about
the
development
of
computers?3.
What
do
you
think
will
be
the
next
development?Step
5:Pre-reading1.
Look
at
the
title
of
the
reading
passage.
Predict
what
it
is
going
to
be
about.2.
Do
you
know
in
what
ways
computers
are
used
today?
Work
out
a
list
and
compare
it
with
your
partner.
Step
6:ReadingSkimmingAsk
the
student
to
read
the
passage
quickly
and
answer
the
question
below.1.
Who
am
I?
A.
An
operator．
B.
Alan
Turing．
C.
A
computer．
D.
Human
race．2.
What’s
the
passage
about?The
text
mainly
tells
us
a
short
history
of
the
development
of
the
__________
and
its
____________
in
different
fields.ScanningRead
the
passage
and
finish
the
timeline.
Careful
readingRead
the
passage
again
and
complete
the
chart
below.
Step7:
Post
reading
Complete
the
summary
of
the
passage.Step8:
A
test1.What
is
PC?
Speak
the
name
on
the
whole.2.
What
is
IT?3.
What
is
W.W.W?4.
科学技术5.
人工智能6.
笔记本电脑Step9:
DiscussionHow
computers
have
changed
our
lives?1.
Brainstorm
a
list
of
things
that
you,
your
school
and
your
family
use
computers
for.2.
Think
about
what
you
would
have
to
do
if
you
could
not
use
computers
any
more.Step10:
HomeworkRetell
the
text
according
to
the
following
clues
and
then
write
down
your
retelling.
Students
read
the
passage
and
answer
questionsStudents
finish
the
summaryAnswer
questionsFinish
homework
Arouse
student’s
interest,and
build
connection
in
this
lesson:To
get
the
general
idea
of
reading
and
practice
the
reading
skills.To
get
students
be
familiar
with
the
reading.To
broaden
students’
thinking.To
consolidate
what
students
have
learnt
in
this
class.
板书
设计
Unit
3
Computers
教学反思必修2
Unit
3
Computer
Listening
Teaching
Aims：
1.Help
the
students
to
learn
about
the
knowledge
of
information
technology.
2.Enable
the
students
to
get
the
main
ideas
of
the
listening
materials.
Teaching
Important
and
Difficult
Points：
1.How
to
get
the
main
idea
and
information
in
details.
2.Express
their
own
opinions
after
listening.
Teaching
Methods：
1.Task-based
learning.
2.Cooperative
learning.
Teaching
Aids：
1.A
tape
recorder.
2.A
multimedia.
Teaching
Procedures：
Step
1
Revision
Check
the
students’
interviews.
Get
the
students
to
work
together
with
their
partners
to
interview
each
other.
Step
2
Listening
and
writing
（Page
21）
Task
1
Listen
to
a
conversation
T：Class，as
we
all
know，the
21st
century
is
the
century
of
information
and
technology.Next
we
will
listen
to
a
conversation
about
different
kinds
of
information
technology
or
IT.And
as
we
know，each
kind
of
information
technology
has
its
own
advantages
and
disadvantages.So
from
this
conversation
we
will
listen
for
the
advantages
and
disadvantages
of
each
one.But
before
listening
let’s
first
look
at
the
pictures
on
Page
21
and
the
form
on
Page
22
to
make
sure
what
you
are
going
to
do
while
listening.OK，let’s
begin.
The
students
listen
to
the
conversation
for
the
first
time.
Task
2
Discussion
and
filling
T：You
can
see
there
are
a
TV，a
CD-ROM，a
computer，a
radio，a
DVD
and
newspaper
here.Now
try
to
finish
filling
in
the
form
with
the
information
you
have
just
got
from
the
conversation.
Suggested
answers：
Type
of
IT
Advantages
Disadvantages
TV
You
can
both
listen
and
watch
You
can’t
write
to
friends
Web
You
can
find
information
It’s
very
expensive
Radio
You
can
listen
to
English
You
can
not
watch
Book
You
can
get
information
Sometimes
it
is
out-of-date
T：Now，let’s
discuss
the
advantages
and
disadvantages
of
each
type
of
IT
in
small
groups
and
then
decide
which
type
of
IT
is
best
for
you
to
use，according
to
the
form
above
and
explain
the
reasons.While
discussing，remember
to
use
the
following
expressions：
I
think
that...
In
my
opinion...
I
believe
that...
I
agree
because...
I
disagree
because...
I’ve
decided
that...
Step
3
Listening
（Page
55）
T：Now
come
to
the
listening
on
Page
55.Before
you
listening，please
read
the
requirements
of
Ex.1.After
that，you
will
find
the
three
robots
from
the
pictures
above
on
Page
55
and
number
them.
The
possible
number：
Picture
1—No.3
Picture
3—No.2
Picture
4—No.1
T：Now
please
look
at
these
boxes
on
Page
55
before
you
listen
to
the
tape
again，and
try
to
find
out
the
listening
points.Pay
more
attention
to
these
points
and
you
may
make
some
notes
while
listening.
Three
minutes
later.
T：Now
try
to
fill
in
the
boxes
with
the
information
from
the
listening
material，and
then
check
your
answers
with
your
partners.
Suggested
answers：
Personal
robot
Information
Size
35
cm
What
it
looks
like
Robot
with
five
arms
What
it
can
do
All
homework
Price
50
yuan
a
day
Bird-like
android
Information
Size
10
cm
What
it
looks
like
Bird-like
android
What
it
can
do
Sings
beautifully
Price
600
yuan
Lonely
android
Information
Size
2
m
What
it
looks
like
Large，energetic
robot
What
it
can
do
Climbs
mountains；plays
guitar；sings
karaoke
Telephone
number
Room-1234
Step
4
Listening
task
（Page
58）
T：Now
please
turn
to
Page
58，and
finish
the
listening
task.
As
we
know，computers
are
used
widely
and
put
into
androids.Please
look
at
the
pictures
above.There
are
two
androids
in
it.One
works
as
a
maid.The
other
works
in
a
car
factory.They
are
friends
and
they
were
made
at
the
same
time.Now
they
are
talking
about
their
lives
and
what
it
feels
like
to
be
android.OK，please
listen
carefully
to
their
problems
and
fill
in
the
form.I’ll
play
the
tape
twice.
After
listening.
T：Try
to
fill
in
the
forms
as
quickly
as
you
can，and
then
we
will
check
the
answers
in
class.
Suggested
answers
Sally
and
Brenda’s
problems
About
their
jobs
Their
programmer
decided
them
About
changing
their
jobs
They
are
not
able
to
change
jobs
About
who
decides
their
future
Their
programmer
does
About
how
they
are
different
from
people
They
can
not
smell，laugh，taste，or
eat
food
About
how
they
are
the
same
as
people
They
enjoy
football
T：From
what
we
have
just
listened，we
know
that
Sally
and
Brenda
have
some
troubles
in
their
lives.They
are
treated
badly.Now
you
are
going
to
make
a
list
of
the
rights
that
androids
should
have
so
that
they
will
be
treated
better.You
can
work
with
your
partners
and
have
discussion.
Suggested
answers：
1.They
should
be
able
to
choose
the
work
they
do.
2.They
should
have
their
own
time.
3.They
should
be
able
to
change
their
jobs.
4.They
should
be
able
to
decide
their
own
future.
5.They
should
be
able
to
taste，smell，feel，etc.
Step
5
Assignment
T：Class，I
really
appreciate
your
good
performance
in
this
listening
class.I
can
see
that
your
listening
has
greatly
improved
since
you
came
to
the
senior
school.Keep
on
your
good
work!OK，we
have
no
time
left.I’d
like
to
assign
you
some
homework
to
do.
1.Go
over
the
listening
and
writing
on
Page
21
and
get
ready
for
the
writing.
Step
6
The
Design
of
the
Writing
on
the
Blackboard
Unit
3
Computers
Period
4Type
of
ITAdvantagesDisadvantagesTVYou
can
both
listen
and
watch.You
can’t
write
to
friends.WebYou
can
find
information.It’s
very
expensive.RadioYou
can
listen
to
English.You
can
not
watch.BookYou
can
get
information.Sometimes
it
is
out-of-date.Personal
robotInformationSize35
cmWhat
it
looks
likeRobot
with
five
armsWhat
it
can
doAll
homeworkPrice50
yuan
a
dayBird-like
androidInformationSize10
cmWhat
it
looks
likeBird-like
androidWhat
it
can
doSings
beautifullyPrice600
yuanLonely
androidInformationSize2
mWhat
it
looks
likeLarge，energetic
robotWhat
it
can
doClimbs
mountains；plays
guitar；sings
karaokeTelephone
numberRoom-1234
Step
7
Record
after
Teaching
