(共37张PPT)
仁爱科普
九年级上
Unit
4
Amazing
Science
Topic
3
China
is
the
third
nation
that
sent
a
person
into
space.
Section
D
Warming-up:
Let’s
enjoy
a
video:
Look
and
learn:
Presentation:
What
will
our
future
be
like
No
one
knows
for
certain,
but
most
people
think
that
robots
will
be
part
of
our
lives.
Presentation:
So
far,
robots
haven't
caused
us
any
problems.
They
work
for
us
like
servants
all
the
time.
They
help
us
do
dangerous
and
difficult
work.
Look
and
learn:
Presentation:
However,
once
robots
can
think
for
themselves,
problems
may
appear.
One
scientist
warns
that
if
robots
start
to
think
for
themselves,
they
will
no
longer
want
to
be
our
servants,
but
our
masters.
Perhaps
there
will
be
a
war
between
human
beings
and
robots.
Look
and
learn:
1.
Do
you
like
robots
Why
or
why
not
2.
If
you
had
a
robot,
what
would
you
like
it
to
do
for
you
Free-talk:
1a
Find
the
words
in
the
passage
according
to
the
following
meanings.
The
first
letter
is
given
to
help
you.
1.
to
tell
somebody
about
danger
or
about
something
bad
that
may
happen
2.
to
make
something
happen
or
appear
3.
a
person
who
is
paid
to
do
housework
for
a
family
4.
sure
and
confident,
without
any
doubts
5.
used
to
say
that
something
may
be
true,
but
you
are
not
sure
1.w________
2.c_________
3.s________
4.c_________
5.p_________
arn
ause
ervant
ertain
erhaps
Fast
reading
No
one
knows
for
________
what
our
future
will
be
like,
but
most
people
think
that
robots
will
be
part
of
our
_____.
So
far,
robots
haven’t
_______
us
any
problems.
They
work
for
us
like
_______
all
the
time.
They
help
us
do
__________
and
difficult
work.
People
are
________
at
the
rapid
development
of
robots.
In
a
few
years,
perhaps
robots
will
think
on
_______
own,
just
as
people
use
their
brains
and
act
for
themselves.
However,
once
robots
can
think
for
themselves,
problems
may
appear.
One
scientist
_____
that
if
robots
start
to
think
for
themselves,
they
will
no
_______want
to
be
our
servants,
but
our
masters.
They
_______
treat
us
as
we
now
treat
our
pets.
long,
they,
surprise,
cause,
certainly,
live,
servant,
danger,
warn,
may
certain
lives
caused
servants
dangerous
surprised
their
warns
longer
might
Detailed
reading
Use
the
right
forms
of
the
words
to
fill
in
the
blanks.
Reading
Read
1a
again
and
repeat.
Robots-Our
Servants
in
the
Future
What
will
our
future
be
like
No
one
knows
for
certain,
but
most
people
think
that
robots
will
be
part
of
our
lives.
Will
they
be
friendly
or
unfriendly
So
far,
robots
haven't
caused
us
any
problems.
They
work
for
us
like
servants
all
the
time.
They
help
us
do
dangerous
and
difficult
work.
People
are
surprised
at
the
rapid
development
of
robots.
In
a
few
years,
perhaps
robots
will
think
on
their
own,
just
as
people
use
their
brains
and
act
for
themseves.
However,
once
robots
can
think
for
themselves,
problems
may
appear.
One
scientist
warns
that
if
robots
start
to
think
for
themselves,
they
will
no
longer
want
to
be
our
servants,
but
our
masters.
The
scientist
also
warns
that
if
we
are
lucky,
they
might
treat
us
as
we
now
treat
our
pets;
if
we
are
not
lucky,
who
knows
what
will
happen
Perhaps
there
will
be
a
war
between
human
beings
and
robots.
Grammar:
Language
points:
1.
No
one
knows
for
certain,
but
most
people
think
that
robots
will
be
part
of
our
lives.没有人清楚，但是大部分人都认为机器人会成为我们生活的一部分。
certain
adj.
1).[只作表语]确凿的，无疑的，可靠的
2).[只作表语，后跟动词不定式或
of,
that]一定的，必然的，有把握的，确信的；一定会来到或发生的
3).[只作定语]某，某一(些)；相当的，一定程度的；一些，有点儿，某种
4).习惯用语
be
certain
of
确信，深信
be
certain
to
必然；一定
be
not
certain
whether...
不能确定是否......
for
certain
肯定地，确凿地
make
certain
(of,
that)
把......弄清楚，把......弄确凿，
保证
Grammar:
Grammar:
2.In
a
few
years,
perhaps
robots
will
think
on
their
own,
just
as
people
use
their
brains
and
act
for
themselves.多年以后，也许机器人会有自己的思想，就像人们使用自己的大脑和自己行动一样。
on
one’s
own
独自，单独
3.One
scientist
warns
that
if
robots
start
to
think
for
themselves,
they
will
no
longer
want
to
be
our
servants,
but
our
masters.曾有科学家警告，如果机器人开始自我思考，他们将不再愿意成为我们的仆人，而是想成为我们的主人。
warn
sb.
(not)
to
do
sth.警告某人（不要）干某事
warn
sb.
about
sth.提醒、警告某人注意某事
warn
sb.
against
(doing)
sth.警告某人某事
Grammar:
Key
phrases:
1.
像..一样
2.确切知道
3.到目前为止
4.总是，一直
5.对…感到惊奇
6.独自
7.不再
8.不是…而是…
9.把…看作
be
like
know
for
certain
so
far
all
the
time
be
surprised
at
\about
on
one’s
own
no
longer=not
…
any
more
=not
…any
longer
not…but…
treat
…as
…=regard
…as
…
Read
1a
again
and
discuss
the
questions
with
your
partner.
1.Do
you
think
robots
will
be
part
of
our
lives
in
the
future
Why
2.Robots
are
considered
to
be
our
servants,
aren’t
they
3.Do
you
think
robots
can
think
or
act
for
themselves
4.Why
does
the
title
have
a
question
mark
1c
The
robots
which
are
controlled
by
computers
can
be
our
servants.
定语从句
先行词
关系词
Grammar:
定
语
从
句：
定语从句概念:在复合句中
,修饰某一名词或代词的从句叫定语从句。
被定语从句修饰的词叫做“先行词”，
定语从句必须放在先行词之后。
定语从句由关系代词who,
whom,
whose,
which,
that
或关系副词when,where等引导。
定语从句结构：先行词+关系词+定语从句
The
boy
who
studies
hard
is
from
China.
先行词
关系代词
定语从句
先行词:定语从句所修饰的词。
定语从句的位置:放在先行词之后。
关系代词
who,
whom,
whose,
that,
which
关系副词
when,
where,
why
“关系词”的三种功能：
(1)引导一个定语从句。(在定语从句开头)
(2)替代“先行词”。（省去从句中对应的人称代词）
(3)在定语从句中充当成分。(作主语/宾语/定语/状语）
3.引导词（关系词）
定语从句的关系代词
关系代词
先行词
在从句中成分
who
人
主语，宾语
whom
人
宾语
whose
人/物
定语
which
物
主语，宾语
that
物，人
主语，宾语
The
book
that
/which
is
on
the
desk
is
mine
先行词
关系代词
定语从句
Grammar:
Grammar:
1.who指人，在从句中做主语。
(1)The
boys
who
are
playing
football
are
from
Class
One.
(2)Yesterday
I
helped
an
old
man
who
lost
his
way.
2.
whom指人，在定语从句中充当宾语，常可省略。
(1)
Mr.
Liu
is
the
person
(whom)
you
talked
about.
注意：关系代词whom在口语和非正式语体中常用who代替，可省略。
(2)
The
man
who/whom
you
met
just
now
is
my
friend.
3.
which指物，在定语从句中做主语或者宾语，做宾语时可省略。
(1)
Football
is
a
game
which
is
liked
by
most
boys.
(
which
在句子中做主语)
(2)
This
is
the
pen
(which)
he
bought
yesterday.
(
which
在句子中做宾语)
Grammar:
Grammar:
4.
that指人时，相当于who或者whom；指物时，相当于which。
在宾语从句中做主语或者宾语，做宾语时可省略。
(1)
The
people
that/who
come
to
visit
the
city
are
all
here.
(在句子中做主语)
(2)
Where
is
the
man
that/whom
I
saw
this
morning
(在句子中做宾语)
5.
whose通常指人，也可指物，在定语从句中做定语
(1)
He
has
a
friend
whose
father
is
a
doctor.
(2)
I
lived
in
a
house
whose
roof
has
fallen
in.
whose指物时，常用以下结构来代替
(1)The
classroom
whose
door
is
broken
will
soon
be
repaired.
=The
classroom
the
door
of
which
is
broken
will
soon
be
repaired.
(2)Do
you
like
the
book
whose
color
is
yellow
=Do
you
like
the
book
the
color
of
which
is
yellow
China
sent
a
person
into
space.
China
is
the
third
nation.
→
（合并成一句）
China
is
the
third
nation
that
sent
a
person
into
space.
先行词
关系代词作主语
定语从句
Yang
Liwei
is
our
national
hero.
He
traveled
around
the
earth
in
Shenzhou
V
for
21
hours
in
2003.
Yang
Liwei
is
our
national
hero
who/
that
traveled
around
the
earth
in
Shenzhou
V
for
21
hours
in
2003.
关系代词作主语
先行词
定语从句
China
is
a
great
country
that/which
has
about
5.000
years
of
history.
先行词
关系代词作主语
定语从句
China
is
a
great
country.
It
has
about
5,000
years
of
history.（改为定语从句）
My
favorite
place
is
Kunming.
It
is
known
as
the
Spring
City.（改为定语从句）
My
favorite
place
is
Kunming
that
/
which
is
known
as
the
Spring
City.
先行词
关系代词作主语
定语从句
Grammar:
定语从句:
定语从句只能用that
的几种情况
：
1．当先行词是anything,
everything,
nothing
(something
除外),
few,
all,
none,
little,
some
等代词时，或者是由every,
any,
all,
some,
no,
little,
few,
much
等修饰时
(1)
have
you
taken
down
everything
that
mr.
li
has
said
(2)
there
seems
to
be
nothing
that
seems
impossible
for
him
in
the
world.
(3)
all
that
can
be
done
has
been
done.
(4)
there
is
little
that
i
can
do
for
you.
2.
当先行词被序数词修饰
：
(1)
the
first
place
that
they
visited
in
london
was
the
big
ben.
3.
当先行词被形容词最高级修饰时
(1)
this
is
the
best
film
that
i
have
seen.
Grammar:
定语从句:
4.
当形容词被the
very,
the
only修饰时
(1)
this
is
the
very
dictionary
that
i
want
to
buy,
(2)
after
the
fire
in
his
house,
the
old
car
is
the
only
thing
that
he
owned.
当先行词指人时，偶尔也可以用who
(3)
wang
hua
is
the
only
person
in
our
school
who
will
attend
the
meeting/
5.
当先行词前面有who,
which等疑问代词时
(1)
who
is
the
man
that
is
standing
there
(2)
which
is
the
t-shirt
that
fits
me
most
6.
当先行词既有人，也有动物或者物体时
(1)
can
you
remember
the
scientist
and
his
theory
that
we
have
learned
Grammar:
定语从句:
关系词只能用which，而不用that的情况:
(1)先行词为that,
those时，用which，而不用that。例如:
What's
that
which
is
under
the
desk
在桌子底下的那些东西是什么
(2)关系代词前有介词时，一般用which，而不用that。例如:
This
is
the
room
in
which
he
lives.
这是他居住的房间。
(3)引导非限制性定语从句，用which，而不用that。例如:
Tom
came
back,
which
made
us
happy.
汤姆回来了，这使我们很高兴。
Grammar
Attributive
Clause(Ⅰ)
He
is
our
national
hero
who/that
traveled
around
the
earth
in
Shenzhou
V
for
21
hours
in
2003.
China
is
the
third
nation
that
sent
a
person
into
space.
More
and
more
people
have
personal
computers
that
/which
are
used
to
play
games
and
watch
movies.
1.I
know
the
boy.
He
can
speak
English
well.
I
know
the
boy
who/that
can
speak
English
well.
2.Mary
bought
a
little
bird.
It
was
very
pretty.
Mary
bought
a
little
bird
that/which
was
very
pretty.
3.The
season
is
summer.
It
comes
after
spring.
The
season
is
summer
which/that
comes
after
spring.
4.I
know
the
boy.
You
are
looking
for
him.
I
know
the
boy
whom/that
you
are
looking
for.
Exercise
Change
the
following
sentences
into
attributive
clause.
Exercise:
1.
The
train
___________
has
just
left
is
for
Shenzhen.
2.
I
still
remember
the
year
___________
we
spent
together.
3.
Jack
is
no
longer
the
person_________
I
met
five
years
ago.
4.
Who
is
the
worker
_________
was
late
for
work
today
5.
Some
people
__________
are
successful
language
learners
often
fail
in
other
fields.
which/that
that/which
who/that
that/who
who/that
Fill
in
the
blanks
with
who,
which,
that.
Exercise:
Grammar:
Key
phrases
in
Topic
3:
进入太空
民族英雄
因为…而骄傲
而且，更为重要的是
另外四艘宇宙飞船
在过去的几年里
航空业
发射…进入太空
踏足于
travel
into
space
national
hero
be
proud
of
what’s
more
another
four
spaceships
in
the
past
few
years
space
industry
send\launch….into
space
set
foot
on
Grammar:
过去经常做某事
对…几乎一无所知
建议某人做某事
使电脑更好地为我们服务
下定决心做某事
在20世纪50年代
在工作和休闲的很多方面
毫无疑问
used
to
do
sth
know
little
about
…
advise
sb
to
do
sth
make
computers
serve
us
better
make
up
one’s
mind
to
do
sth
in
the1950s
in
many
areas
of
work
and
leisure
There’s
no
doubt
Key
phrases
in
Topic
3:
Grammar:
在…的帮助下
例如
使…一直做某事
形成，产生
幸亏，多亏
做买卖
代替，而不是
使世界变得更小
眼睛疼
with
the
help
of
for
instance\example
keep
sb
doing
sth
come
into
being
thanks
to
do
business
instead
of
make
the
world
smaller
sore
eyes
Key
phrases
in
Topic
3:
Functions
All
of
you
must
be
very
proud.
It
proves
that
China
has
made
great
progress
in
its
space
industry.
There
is
no
doubt
that
computers
are
very
useful
in
technology
and
business.
The
Internet
is
making
the
world
smaller,
like
a
village.
Computers
help
us
at
work
and
at
home,
but
they
must
be
used
properly.
Fill
in
the
blanks.
There’s
_____
_____(无疑地)
that
China
has
made
great
progress
in
its
space
industry.
________(微型的)
novels
are
very
popular
with
children.
The
flight
was________
(取消)because
there’ll
be
a
heavy
fog
above
the
airport.
Spaceships
can
travel
to
other
planets.
________(除……以外),
humans
have
built
space
stations.
5.
No
one
knows
_______
_______(确切地),
but
most
people
think
that
robots
will
be
part
of
our
lives.
6.
Perhaps
robots
will
think
______
_____
_____
(独自，单独)in
a
few
years.
no
doubt
Tiny
canceled
Besides
for
certain
on
their
own
Exercise:
Making
a
Wall
Newspaper
About
Computer
Information
1.
Collect
the
following
information
from
books,
newspapers,
the
Internet
and
so
on.
the
parts
of
the
computer
the
kinds
of
computers
the
development
of
the
computer
2.Discuss
the
uses
of
computers
in
daily
life
and
technology
in
groups.
3.Design
a
wall
newspaper
about
the
computer.
Project
Summary
We
learn:
1.
Some
words:
certain,
warn,
might,
housework
2.Some
phrases:
for
certain,
on
one’s
own
3.Some
sentences:
(1)No
one
knows
for
certain,
but
most
people
think
that
robots
will
be
part
of
our
lives.
(2)In
a
few
years,
perhaps
robots
will
think
on
their
own.
We
can:
1.Summarize
the
usage
of
Attributive
Clause.
2.Learn
about
some
knowledge
of
robots.
Homework
Read
1a.
Memorize
the
useful
expressions
and
key
sentences
which
we
learned
today.
Finish
Section
D
in
your
workbook.
Review
Sections
A-D.
谢谢
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Unit
4
Topic
3
Section
D
同步练习
一、用方框中所给词或短语的适当形式填空
1.
It
______(prove)
that
China
has
made
great
progress
in
its
space
industry.
2.
They
spent
2.5
hours
__________
(explore)
and
collecting
soil
and
rocks
to
take
back
to
earth.
3.
I
advise
you
to
discover
new
ways
to
make
computers
_______(serve)
us
better.
4.
The
whole
world
is
________(connect)
by
the
Internet.
5.
Spaceships
which
now
________(main)
use
electronic
controls
used
to
be
controlled
by
astronauts.
二、单项选择
(
)
1.
In
the
future,
robots
may
think
themselves,
just
as
people
use
their
brains
and
act
themselves.
A.
of;
for
B.
for;
for
C.
about;
of
D.
for;
of
(
)
2.
Our
teacher
us
his
friends.
We
all
love
him
a
lot.
A.
regarded;
as
B.
treats;
as
C.
treat;
for
D.
regard;
as
(
)
3.I
can't
say
if
he
is
going
to
Tokyo
tonight.
A.
for
real
B.
as
usual
C.
for
certain
D.
as
certain
(
)
4.
He
was
my
great
progress.
“I
can’t
imagine!”
he
said
again
and
again.
A.
interested
in
B.
interested
to
C.
surprised
at
D.
surprised
for
(
)
5.
The
man
began
to
,
and
he
would
not
help
others
as
usual.
A.
think
for
himself
B.
think
on
himself
own
C.
think
about
himself
D.
think
of
himself.
三、用方框中所给词或短语的适当形式填空
on
one’s
own,
certain,
housework,
warn,
might
1.
The
man
is
a
self
man,
he
is
always
thinking
.
2.
The
police
that
people
didn’t
go
out
alone
especially
children
and
women
a
few
days
ago.
3.
They
treat
us
as
we
treat
them.
4.
On
Sundays
Xiao
Ming
often
helps
his
mother
with
.
5.
I
know
for
where
he
is
hiding.
四、完形填空
In
the
future,
some
tiny
computers
would
be
put
in
our
heads.
This
can
help
people
a
lot.
1
the
tiny
computers,
the
people
who
have
ear
disease
will
be
able
to
hear.
And
those
with
eye
diseases
can
2
.
The
tiny
computers
will
not
be
just
for
3
people.
Most
of
us
will
have
one
to
make
our
life
4
.
For
instance,
if
we
have
it,
we
will
be
able
to
think
5
and
we
can
memorize
more.
For
every
student，computers
can
do
6
things.
Perhaps
in
the
near
future,
they
7
schoolbags.
The
students
just
need
to
carry
a
small
computer
to
8
,
because
the
computer
takes
the
place
of
the
textbooks,
exercise
books
and
note
books.
The
teachers
will
check
their
homework
with
computers,
9
.
But
this
can
cause
another
problem
because
10
will
be
easier
for
students
to
copy
each
other’s
homework.
(
)
1.A.
Because
B.
Since
C.
Due
D.
Thanks
to
(
)
2.
A.
to
hear
B.
hear
C.
to
see
D.
see
(
)
3.
A.
ill
B.
sick
C.
old
D.
young
(
)
4.
A.
good
B.
well
C.
better
D.
best
(
)
5.
A.
more
clearly
B.
clearly
C.
clear
D.
clearer
(
)
6.
A.
much
B.
a
lot
C.
lots
of
D.
lot
of
(
)
7.
A.
needn’t
B.
will
need
C.
will
not
need
D.
don’t
need
(
)
8.
A.
home
B.
school
C.
factory
D.
office
(
)
9.
A.
too
B.
either
C.
as
well
as
D.
also
(
)
10.
A.
that
B.
it
C.
they
D.
this
同步练习答案
一、
proves
2.
exploring
3.serve
4.
connected
5.
mainly
二、
l.
B
2.
B
3.C
4.C
5.
A
三、
on
his
own
2.
warned
3.
might
4.
housework
5.
certain
四、
l.
D
2.
D
3.B
4.C
5.
A
6.C
7.C
8.
B
9.
A
10.
B
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