(共43张PPT)
but
it's
not
wrapped
in
red
or
green
we've
got
mistletoe
and
firelight
on
this
cold
December
night
but
I
just
found
the
perfect
gift
for
you
come
and
sit
down
beside
me
here
underneath
the
Christmas
tree
the
snow
outside
will
set
the
mood
as
I
sing
my
song
for
you
as
I
sing
my
song
for
you
Carolers
are
singing
harmony
with
me
now
you
are
looking
so
lovely
even
if
the
lights
go
out
we've
got
mistletoe
and
firelight
on
this
cold
December
night
the
snow
outside
will
set
the
mood
ordinary
just
wouldn't
do
now
I
got
it
all
ready
didn't
know
what
to
get
you
I
hear
church
bells
are
ringing
you’re
so
beautiful
I
only
hope
you
see
what
I
see
every
word
is
meant
to
show
you
how
much
you
mean
to
me
we've
got
mistletoe
and
firelight
on
this
cold
December
night
My
Song
for
You
Bridget
Mendler
Shane
Harper
When
was
it
invented?
Unit
1
1.Talk
about
the
history
of
some
famous
inventions.
2.
Make
sentences
using
the
sentence
patterns
like:
a.
When
was
…
invented?
It
was
invented
in…
I
think
…
is
invented
before/after…
b.
What
is/are
…
used
for?
It
is/they
are
used
for
...
What’s
the
greatest
invention
in
the
history
of
human
civilization?
(人类文明史)
What
do
you
think
they
are?
Can
you
guess
which
one
of
them
was
invented
first?
And
which
one
was
invented
last?
Look
at
the
things.
In
what
order
do
you
think
they
were
invented?
Discuss
them
with
your
group.
VS
I
think
the
TV
was
invented
before
the
car.
Well,
I
think
the
TV
was
invented
after
the
car.
一般过去时的被动语态
was/
were
+
及物动词的过去分词
VS
VS
VS
Have
a
guess
and
express
your
ideas
using
“…
was
invented
before/after…”
VS
The
car
was
invented
before
the
TV
set.
Look
at
the
things.
In
what
order
do
you
think
they
were
invented?
VS
The
telephone
was
invented
before
the
TV
set.
Look
at
the
things.
In
what
order
do
you
think
they
were
invented?
VS
The
telephone
was
invented
before
the
computer.
Look
at
the
things
below.
In
what
order
do
you
think
they
were
invented?
Then
number
them.
1a
Listen
and
match
the
inventions
with
the
years.
1876
1927
1b
1971
1885
Alice:
Was
your
life___________
when
you
were
a
kid?
Grandma:
Oh,
not
really.
Why?
Alice:
Well,
you
didn’t
have
______
_________
like
a
telephone,
right?
Grandma:
Of
course
we
did!
How
old
do
you
think
I
am?
The
telephone
____________.
You
need
to
take
a
history
class,
Alice!
very
difficult
modern
inventions
was
invented
in
1876
Alice:
Haha!
How
about
cars?
They
________________，were
they?
Grandma:
Yes,
they
were.
Cars
_____
________in
1885.
My
family
had
a
car.
Alice:
Well,
did
you
have
a
TV?
Grandma:
No,
we
couldn’t
_______.
They
were
expensive
in
those
days.
The
TV
_________
around
1927,
I
think.
weren’t
invented
yet
were
invented
afford
one
was
invented
Alice:
Well,
I
know
that
you
didn’t
have
a
computer,
because
we
learned
in
school
that
personal
computers
____________
in
1971.
Grandma:
You
are
right!
But
I
have
one
now!
were
invented
1c.
Student
B,
cover
the
dates.
Student
A,
ask
student
B
when
the
things
in
the
picture
in
1b
were
invented.
Then
change
roles
and
practice
again.
When
was
the
telephone
invented?
I
think
it
was
invented
in
1876.
What
can
you
see
in
the
picture?
What
do
you
think
the
scoop
is
used
for?
What
are
the
shoes
used
for?
Listen
and
number
the
inventions
[1-3]
in
the
order
you
hear
them.
2a
Invention
What
is
it/
are
they
used
for?
shoes
with
special
heels
shoes
with
lights
hot
ice
cream
scoop
seeing
in
the
dark
serving
really
cold
ice-cream
Listen
again
and
complete
the
chart
below.
changing
the
style
of
the
shoes
2b
Questions
Why
does
Alex
think
the
shoes
with
lights
are
useful?
2.
What
is
Carol’s
favorite
invention
and
how
does
it
work?
Because
he
always
hits
his
toes
against
something
on
his
way
to
the
bathroom
at
night.
The
scoop.
It
runs
on
electricity.
Student
A
looks
at
the
pictures,
and
try
to
describe
it
to
student
B
to
let
him/her
guess
what
it
is.
Rules:
Student
A
has
to
use
passive
voice.
Student
A
can’t
say
the
name
of
the
thing.
telephone
电话
Alexander
Bell
call
someone
Hamilton
Smith
wash
clothes
washing
machine
洗衣机
compass
指南针
invented
by
ancient
workers
show
us
directions
Who
invented
zipper?
The
zipper
was
invented
by
Whitcomb
Judson.
2.
When
was
the
zipper
invented?
It
was
invented
in
1893.
3.
When
was
it
used
widely?
Around
1917.
Read
the
dialogue
in
2d,
then
answer
the
questions
below.
Paul:
Hey
Roy,
the
subject
for
my
school
project
is
“Small
inventions
that
changed
the
world”.
Can
you
help
me
think
of
an
invention?
Roy:
My
pleasure
!
Let
me
think
…
hmm
…
I
know!
The
zipper!
Paul:
The
zipper?
Is
it
really
such
a
great
invention?
Roy:
Think
about
how
often
it’s
used
in
our
daily
lives.
You
can
see
zippers
on
dresses,
如此伟大的一项发明
so
great
an
invention
定语从句
改变了世界的
trousers,
shoes,
bags
…
almost
everywhere！
Paul:
Well,
you
do
seem
to
have
a
point
…
Roy:
Of
course!
I
thought
about
it
because
I
saw
a
website
last
week.
The
pioneers
of
different
inventions
were
listed
there.
For
example,
it
mentioned
that
the
zipper
was
invented
by
Whitcomb
Judson
in
1893.
But
at
that
time,
it
wasn’t
used
widely.
的确，确实
表强调
Paul:
Really?
So
when
did
it
become
popular?
Roy:
Around
1917.
The
zipper
is
one
of
the
small
inventions
that
changes
the
world.
It
______
in
our
daily
lives.
You
can
see
zippers
almost
everywhere.
The
zipper
______________
Whitcomb
Judson
in
1893.
But
at
that
time,
it
___________
widely.
Around
1917,
it
became
popular.
Fill
in
the
blanks
according
to
the
conversation.
is
used
was
invented
by
wasn’t
used
Role-play
1.
Role
play
in
groups;
2.
Role
play
in
front
of
the
class
We’ll
see
which
group
does
the
best.
2d
把下列句子改为被动语态。
1.
They
made
these
computers
in
Shanghai.
These
computers
____
_____
in
Shanghai.
2.
She
bought
a
new
bike
yesterday.
A
new
bike
____
______
by
her
yesterday.
were
made
was
bought
用所给词的适当形式填空。
Last
weekend,
Jack
______________
(invite)
to
a
birthday
party
and
he
had
a
lot
of
fun.
Last
month
a
new
law
__________(pass)
in
China
to
stop
people
from
smoking
in
public
places.
was
invited
was
passed
Review
1.When
was
…
invented?
It
was
invented
in…
I
think
…
is
invented
before/after…
2.
What
is/are
…
used
for?
It
is/they
are
used
for
...
Review
the
passive
voice
we
have
learnt.
Write
a
passage
about
one
of
the
inventions
we
have
learned
today.
Homework
