高中英语外研版必修4 Module6 Unexplained Mysteries of the Nature World Reading （共18张PPT）

(共18张PPT)
网络与通信
REVISION
　Some
words
about
computer
Hard
disk
monitor
mouse
screen
CD-ROM
keyboard
Lead-in
Do
you
like
surfing
the
Internet
(网上冲浪)?
What
can
we
do
on
the
Internet?
do
online
shopping
网上在线购物
chat
on
the
Internet
网上聊天
send
an
e-mail
to
your
friends
www.sohu.com
www.
yahoo.com.cn
www.taobao.com
What
does
www
stand
for（代表）?
It
stands
for
World
Wide
Web（环球网、万维网）.
Some
websites
I
often
visit:
internet
Fast
Reading
2minutes
After
reading,
answer
the
following
questions?
1.
What
is
the
internet,
how
did
it
start?
2.
What
is
the
World
Wide
Web?
3.
Who
invented
it
?
1.What
is
the
internet,
and
how
did
it
start?
The
internet
is
the
biggest
source
of
information
（最大的信息来源）in
the
world,
and
it
is
accessible
（获得）
through
a
computer.
2.
What
is
the
World
Wide
Web?
It
is
a
computer
network
（计算机网络）that
allows
computers
to
（允许、、做）access（获得）
information
from
millions
of
websites
via
the
Internet.
The
World
Wide
Web
was
invented
in1991
by
an
English
scientist---Tim
Berners-Lee.
3.
Who
invented
it
?
Paragraph
Main
idea
Paragraph
1
Paragraph
2
Paragraph
3
Paragraph
4
Paragraph
5
Paragraph
6
a.
The
present
situation（目前状况)
of
Berners----Lee
b.
Berners-Lee
invented
the
World
Wide
Web
c.
The
definition
（定义）
of
the
World
Wide
Web
d.
Everyone
can
use
the
Internet
e.
How
the
Internet
started
f.
The
definition
of
the
Internet
Match
each
paragraph
with
the
main
idea
Introduce
the
inventor
of
World
Wide
Web.
B.
Tell
us
something
about
the
Internet
and
World
Wide
Web.
C.
The
Internet
is
widely
used
all
over
the
world.
What
is
the
passage
about?
The
passage
is
about
B
Read
the
text
again
and
do
true-false
exercises:
1.There
are
millions
of
pages
of
information
on
the
internet.
2.
The
US
army
were
the
first
people
who
used
an
Internet
system.
3.
Universities
started
using
the
Internet
at
the
same
time
as
the
army.
4.
The
percentage
of
websites
in
English
is
getting
smaller.
5.
Tim
Berners-Lee
made
it
possible
for
scientists
to
use
the
Internet.
6.
He
has
made
a
lot
of
money
from
his
invention.
Careful
Reading
Boys:
think
of
the
advantages
of
the
Internet.
Gils:
think
of
the
disadvantages
of
the
Internet.
Every
coin
has
two
sides.
The
Internet
also
has
its
advantages
（优点）and
disadvantages（缺点）.
easy
to
contact
search
information
shopping
online
study
online
watch
live
matches
and
other
programs
see
the
doctor
…
bad
for
eyes
lazier
and
fatter
less
chance
to
get
along
with
others
spend
too
much
time
playing
computer
games
and
chatting
fail
in
the
exam???
Suggestion
go
on
line
properly
have
a
time
limit
choose
things
which
are
valuable
to
our
study
and
life
place
study,
health
and
safety
before
other
things
Advantages
Disadvantages
Homework:
What
do
you
want
to
say
to
your
friends
who
are
addicted
to
(对……上瘾)
Cyber
bars（网吧)?
Write
a
short
passage
about
this
topic
“Keep
away
from
Cyber
Bars”…(in
about
100
words)