(共12张PPT)
Speaking
Module
2
Science
and
technology
Unit
3
Computers
Talk
time
Stress
nouns,
verbs,
adjectives,
adverbs
and
numbers.
Do
not
stress
words
like
a,
the,
is
and
have
except
for
special
reasons.
We
already
know
two
rules
about
sentence
stress:
Sentence
stress
The
girl
‘gave’
her
mother
a
free
dress
once
a
week.
A1
Read
the
conversation
below
and
practise
it
in
pairs.
Give
extra
stress
to
the
words
underlined
twice.
These
words
are
the
most
important
in
the
sentence.
Free
talk
Computer
learn
useful
information
What
do
you
think
of
computers?
B
Speak
up
advantages
relax
oneself
save
the
time
know
about
the
world
easily
play
computer
games
chat
with
friends
read
news
/see
films
do
our
homework
Computer
bad
for
our
eyes
/do
harm
to
our
health
What
do
you
think
of
computers?
B
Speak
up
disadvantages
make
us
lazy
have
little
time
to
study
waste
the
time
and
energy
may
get
some
bad
information
play
computer
games
chat
with
friends
see
films
/read
news
In
groups,
do
a
survey
about
using
computers
at
home.
Use
the
following
questions
to
help
you.
Do
you
have
a
computer
at
home?
How
often
do
you
use
the
computer?
How
much
time
do
you
spend
playing
computer
games
every
week?
What
do
you
usually
do
on
the
computer?
Do
you
know
any
advantages
or
disadvantages
of
using
computers?
How
do
you
use
the
computer
to
help
you
study?
Group
work
Please
present
your
ideas
in
your
group.
Do
you
have
a
computer
at
home?
How
often
do
you
use
the
computer?
How
much
time
do
you
spend
playing
computer
games
every
week?
What
do
you
usually
do
on
the
computer?
Do
you
know
any
advantages
or
disadvantages
of
using
computers?
How
do
you
use
the
computer
to
help
you
study?
Group
presentation
Nowadays,
we
depend
on
computers
a
lot.
We
have
a
discussion
about
whether
computers
are
good
for
us
today.
There
are
many
advantages
of
using
computers.
For
example,
we
can
use
them
to_________________.
However,
every
coins
has
two
sides.
There
are
some
disadvantages
as
well.
_____________________.
Therefore,
we
should
use
the
computers
correctly.
Summary:
a
report
Language
Points
Maybe,
but
human
beings
created
computers!
create
v.
创造，创建，形成
discover
v.发现（本来存在但不为人知的东西）
invent
v.发明（原来没有的事物）
find
v.找到（具体的人或物，强调结果）
find
out
发现，查明（理由，原因等抽象概念）
Homework
Thank
you!
