(共33张PPT)
Unit
1
The
Changing
World
Topic3
The
world
has
changed
for
the
better
Section
A
仁爱科普
九年级上
Let’s
watch
a
video
and
talk
about
it:
Lead
in
Lead
in
High-speed
train
has
been
running
in
China
since
2008.
从2008年起，高铁开始在中国运行。
Yes,
I
have
already
taken
it
since
I
am
13
years
old.
Have
you
ever
take
the high-speed train
Lead
in
You
have
been
in
New
York
for
a
long
time.
for
a
long
time
came
to
New
York
present
past
sb.
have/
has
been
in...
某人一直在……
Grammar
e.g.
I
have
been
in
the
new
school
for
a
week.
for
a
week
last
week
present
past
for
+
时间段
Grammar
...,
but
the
city
has
improved
a
lot
since
I
came
here
a
few
years
ago.
since
I
came
here
a
few
years
ago
came
here
present
past
since
+从句（从句谓语动词用过去式）
Grammar
e.g.
She
works
in
the
school
since
1995.
since
1995
lived
present
past
since
+时间点
Grammar
e.g.
He
has
waited
for
Tom
since
two
hours
ago.
since
two
hours
ago
8:00
present
past
since
+
时间段+ago
10:00
Grammar
I
have
worked
in
the
school
for
three
years
.
=I
have
worked
in
the
school
since
three
years
ago
.
=I
have
worked
in
the
school
since
2011.
=I
have
worked
here
since
I
came
to
the
school
.
for+时间段
since+时间段+ago
since+时间点
since+从句
Grammar
用for或since填空。
1.
He
has
lived
in
Nanjing
______
two
years
ago.
2.
I’ve
known
him
______
we
were
children.
3.
Our
teacher
has
studied
Japanese
______
three
years.
4.
She
has
been
away
from
the
city
_______
about
ten
years.
5.
It’s
about
ten
years
______
she
left
the
city.
since
for
since
since
for
The
introduction
of
Broadway
new
words
artist
['ɑ t st]
The artist has
made
many
clay figures.
Make
sentence.
clay figure
/kle / / f ɡj r/
泥塑
new
words
visitor
/ v z t r/
block
[bl k]
There
are
lots
of
visitors
in
the
block.
Make
sentence.
industry
[ nd stri]
new
words
chemistry
['kem stri]
term
[t m]
He
plans
to
study
chemistry
well
this
term
and
engage
in
chemical
industry
in
the
future.
Make
sentence.
Do
you
know
where
it
is
New
York
It’s
a
wonderful
place
to
live.
As
a
matter
of
fact,
it
used
to
be
terrible.
In
the
past
terrible
traffic
dirty
streets
unfriendly
people
dangerous
to
live
less
shopping
centers
Nowadays
beautiful
parks
clean
and
fresh
air
huge
markets
famous
museums
good
schools
excellent
restaurants
1b.
Do
you
want
to
know
how
terrible
New
York
used
to
be
Now
let’s
listen
to
a
dialog
and
tick
what
was
mentioned
about
New
York.
Watch
the
flash
of
1a,
and
then
act
out
the
dialogue
in
pairs.
Pairwork
As
a
matter
of
fact
,
it’s
a
wonderful
place
to
live
.
as
a
matter
of
fact
=
in
fact
As
a
matter
of
fact/
In
fact,
I
am
strong.
Language
points
You
will
get
used
to
it
very
soon
if
you
come.
get
used
to
：开始习惯于（从不习惯到习惯的一个过程）
用法：Get
used
to
V-ing/sth
这里的to也是充当介词，因此后面要有动名词或者名词
The
food
here
is
not
so
tasty
but
you
will
get
used
to
that.
这里的伙食不怎么样，但你会慢慢习惯的。
be
used
to
do/doing：有两种用法
用法一：be
used
to
V（原型）/：事物被用于...
这里的to是不定式，used是被动形式
Wood
is
used
to
make
paper.
木材被用来造纸。
用法二:be
used
to
V-ing/sth:表示人习惯做某事/东西
这里的to充当介词，因此后面要跟动名词或者名词
Mr.Li
is
used
to
washing
his
face
with
cold
water.
李先生习惯于用冷水洗脸。
used
to：过去经常做的事情（但是现在已经不做了）
这里的to是不定式，因此后面要跟动词原形
用法：used
to
+
V（原型）
I
used
to
play
with
my
friends
after
school.
过去放学后我常常和朋友们一起玩。
Language
points
millions
of
用法：
在英语中hundred
,
thousand
,
million
,
billion等词，当其前面有数词时，它们不加
“s”使用，其后也不用介词of
.直接跟可数名词的复数形式。
如：five
million
people
五百万人
当表达不确定数字时，在它们后面加上
“s”再加介词of使用。后接可数名词的复数形式，表示
“数百”
“数千”
“数百万”
“数十亿”。如：
millions
of
people
数百万人
Language
points
In
the
past
terrible
traffic
dirty
streets
dangerous
to
live
Nowadays
beautiful
parks
famous
museums
good
schools
excellent
restaurants
Retell
According
to
the
information,
retell
1a
in
your
own
words.
1c
Work
in
pairs
and
describe
New
York
to
your
partner
based
on
1b.
You
may
start
like
this
:
A:
How
much
do
you
know
about
the
traffic
in
New
York
B:
I
heard
that
the
traffic
there
was
terrible
.
Do
you
have
any
ideas
about
the
streets
there
A:
…
2
Listen
to
the
passage
and
fill
in
the
blanks
with
the
correct
forms
of
the
given
words
or
phrases
.
Broadway
is
a
street
in
New
York
.
It
has
been
there____1811.
It
________
be
dirty.
But
it
____________
since
the
1920s.
The
area
near
Times
Square
is
the
home
of
Broadway
theaters
.
There
have
been
many
famous
______
along
the
street
for
many
years
.
A
lot
of
artists
perform
plays
,
concerts
and
operas
there
.
Every
year
millions
of
visitors
come
to
enjoy
the
________
music
and
dance
on
Broadway
.
______________
,
Broadway
stands
for
the
American
theatre
industry
.
since
used
to
theaters
wonderful
As
a
matter
of
fact
has
improved
theater
used
to
improve
wonderful
as
a
matter
of
fact
since
3
Look
carefully
and
think
about
the
differences
between
since
and
for
in
1a.
Then
complete
the
sentences
with
since
or
for
and
listen
and
check.
1.I
have
lived
in
Beijing
______
three
years.
______2011.
2.
He
has
waited
for
Tom
______
two
hours
ago.
______
two
hours.
3.
We
have
learned
chemistry
___
one
month.
____
the
new
term
began.
for
for
for
since
since
since
4
Work
in
groups
and
talk
about
the
place
you
live.
Compare
today’s
situation
with
that
of
the
past.
The
following
dialogs
may
help
you.
A:I
have
been
in
…
for
/since
…
B:
How
do
you
like
living
there
A:
It
is
…
/
Very
good.
/I
really…
B:
Was
the
local
traffic
terrible
/good/…
A:
Yes./No,
it
was
…
/
used
to
be
…
in
the
past,
and
now
it
is
…
B:
…
Let's
make
a
report
like
this
:
I
have
been
in
…
for
/since
…
It
is
…
I
really
like
living
there.
It
used
to
be
…
in
the
past,
and
now
it
is
…
summary
We
learn:
Use
the
Present
Perfect
Tense
with
for
and
since
.
1.You
have
been
in
New
York
for
a
long
time.
2.The
city
has
improved
a
lot
since
I
came
here
a
few
years
ago
.
We
can:
1.
Some
words:
block,
artist,
visitor,
industry,
chemistry,term
2.
Some
phrases:
as
a
matter
of
fact
,
millions
of
3.
Some
sentences:
1.
You
will
get
used
to
it
very
soon
if
you
come.
2.
As
a
matter
of
fact
,
it’s
a
wonderful
place
to
live
.
3.
You
must
come
for
a
visit
.
4.
Then
you
can
see
New
York
yourself
.
Complete
the
following
sentences.
根据中文提示，将下列句子补充完整。
1.刘老师去北京了，他是昨天去的。
Mr.
Liu
____
____
____
Beijing.
He
_____
there
yesterday.
2.
砍树对环境有害。
______
____
trees
____
_____
___
the
environment.
3.
他像这样有多长时间了？
_____
_____
____
he
______
like
this
has
gone
to
went
Cutting
down
does
harm
to
How
long
has
been
4.
有一个女孩正坐在树底下。
_____
___
a
girl
_______
under
the
tree.
5.
更糟糕的是，房间和食物都很差。
_____
______
,
the
room
and
the
food
were
awful.
There
is
sitting
What’s
worse
Homework
2.
Make
five
sentences
,
using
for
and
since.
1.
Read
1a
aloud.
4.
Preview
Section
B.
3.
Finish
Section
A
in
your
workbook.
谢谢
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Unit
1
Topic
3
Section
A
同步练习
一、根据首字母提示补全单词。
1.
There
are
many
tr
( http: / / www.21cnjy.com )ees，flowers
and
grass
in
our
b_______,
so
the
air
is
clean
and
fresh.
2.
The
a_______
is
famous
for
drawing
donkeys.
3.
The
scenery
here
i
( http: / / www.21cnjy.com )s
beautiful.
It
attracts
thousands
of
v_______
from
different
countries
every
year.
4.
Modern
i_________
is
developing
faster
and
faster,
but
our
environment
is
worse
and
worse.
5.
Yi
Nan’s
E
( http: / / www.21cnjy.com )nglish
has
improved
greatly
this
t______,
and
his
teacher
praised
(表扬)him
for
this,
二、单项选择。
1.The
traffic
( http: / / www.21cnjy.com )in
the
city
_____
be
terrible,
but
now
it
has
improved
a
lot.
I
think
you
will
_____
it
soon.
A.use
to;
use
to
B.get
used
to;
used
to
C.used
to;
get
used
to
D.get
used
to;
use
to
2.His
father
( http: / / www.21cnjy.com )
has
worked
in
this
factory
_____
he
came
here
in
1980.
A.since
B.for
C.when
D.how
long
3.
—I
hear
your
hom
( http: / / www.21cnjy.com )etown
has
changed
a
lot
already.
It’s
very
beautiful.
—Certainly.
You
can
come
________
a
visit.
A.
to
B.
with
C.
for
D.
on
4.
My
brother
____
like
collecting
stamps,
but
now
he
likes
collecting
coins.
A.
is
used
to
B.
was
used
to
C.
used
to
D.
get
used
to
5.
Maggie
has
_______
Beijing
for
more
than
10
years.
A.
been
to
B.
been
in
C.
lived
to
D.
with
in
三、翻译。
1.
她自从上周末就病了。
2.
自从我来这里就学习英语。
3.
过去放学后我常常和朋友们一起玩。
四、用合适的句子补全对话。
A:
Good
morning,
Dalin!
B:
Good
morning,
Betty!
A:
I’m
going
to
y
( http: / / www.21cnjy.com )our
hometown—Chengde
for
a
visit.
Can
you
give
me
some
suggestions
B:
1
.
What
do
you
want
to
know
A:
2
B:
No,
It’s
usually
cool
in
summer,
A:
3
B:
I
think
you’d
better
come
in
July.
A:
4
B:
Because
the
weather
starts
to
get
hotter
and
hotter.
A:
5
B:
You
can
avoid
the
h
( http: / / www.21cnjy.com )ottest
time
here
and
visit
some
places
of
interest,
taste
local
food,
and
take
photos
in
Li
Zheng
gate.
A:
Thank
you
for
your
suggestions.
Bye!
参考答案
一、
1.
block
2.
artist
3.
visitors
4.
industry
5.
term
二、
1.
C
2.
A
3.
C
4.
C
5.
B
三、
1.She
has
been
ill
since
last
weekend.
2.I
have
studied
English
since
I
came
here.
3.
I
used
to
play
with
my
friends
after
school.
四、
1.
Sure.
2.
Is
it
hot
in
summer
3.
What’s
the
best
time
to
go
there
4.
Why
5.
What
can
I
do
there
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