中小学教育资源及组卷应用平台
Unit
4
Topic
3
Section
C
同步练习
一、单项选择。
(
)
1.
There
is
that
what
they
have
done
is
good
for
us.
A.
a
doubt
B.
doubted
C.
no
doubt
D.
in
doubt
(
)
2.
In
modem
business,
people
on
the
Internet.
It
is
very
convenient
and
fast.
A.
place
orderly
B.
place
and
cancel
orders
C.
cancel
order
D.
take
order
(
)
3.
The
scientist
don’t
exactly
know
when
the
universe
but
they
are
still
studying
it.
A.
come
true
B.
come
about
C.
came
into
being
D.
come
out
(
)
4.
If
we
spend
too
much
time
on
the
Internet,
we
won’t
have
enough
time
to
study.
,
working
on
computers
too
long
may
cause
headaches
or
sore
eyes.
A.
Beside
B.
Besides
C.
Except
D.
Expect
(
)
5.
the
Great
Green
Wall,
sandstorm
has
been
reduced
in
recent
years.
A.
Because
B.
As
for
C.
Thanks
to
D.
Since
二、用方框中所给词的适当形式填空。
inside,
cancel,
connect,
doubt,
brain
1.
There
was
some
whether
Yao
Ming
could
become
a
great
basketball
player
or
not.
2.
Doctors
believe
that
lung
(肺)
cancer
is
with
smoking.
3.
Can
you
tell
me
why
the
new
year
party
was
4.
The
purpose
of
professor
Read’s
research
is
to
compare
computer
functions
with
working.
5.
He
was
wild
with
joy
when
he
opened
the
envelope
and
read
the
letter
.
三、阅读理解。
George
Devol
who
came
from
the
USA
designed
the
first
programmable
robot
in
1969.
It
meant
that
the
robot
age
had
started
from
then
on.
However,
in
about
989
BC,
during
western
Zhou
Dynasty,
a
Chinese
man
whose
name
was
Yan
Shi
made
a
wood
robot.
It
looked
like
a
real
man
and
it
was
able
to
do
many
actions.
It
was
good
at
dancing
and
it
has
a
heart,
a
stomach
and
other
things
in
its
body.
It
also
had
teeth
and
hair.
It
could
express
its
feelings
by
using
its
eyes.
Its
eyes
could
move
and
could
show
love
to
women,
but
it
couldn’t
laugh.
It
was
probably
the
earliest
robot
in
the
world.
Not
all
robots
always
look
like
humans.
They
have
various
shapes.
They
are
clever
and
they
can
do
all
kinds
of
jobs,
especially
difficult
and
dangerous
jobs.
They
are
widely
used
in
factories,
banks,
hospitals
and
other
places.
In
the
future,
robots
will
make
fewer
mistakes,
even
can
correct
themselves
and
they
will
be
smarter.
It’s
possible
that
we
will
have
a
robot
in
our
own
home.
They
will
do
more
things
for
us.
We
will
have
more
free
time
to
have
a
rest,
to
relax
ourselves
with
the
help
of
robots.
I
believe
that
we
can
have
a
better
life.
(
)
1.
What
started
the
robot
age
A.
The
first
programmable
robot.
B.
The
Chinese
robot.
C.
The
wood
robot.
D.
The
small
robot.
(
)
2.
What
couldn’t
Yan
Shi's
robot
do
A.
Dance.
B.
Tempt
women
with
eyes.
C.
Express
its
feelings
with
eyes.
D.
laugh.
(
)
3.
How
old
was
the
earliest
robot
in
the
world
A.
About
50
years
old.
B.
About
100
years
old.
C.
About
2
000
years
old.
D.
About
3
000
years
old.
(
)
4.
Which
is
NOT
true
about
the
robots
now
A.
Now
robots
are
in
all
kinds
of
shapes.
B.
Now
robots
can
do
kind
of
difficult
jobs.
C.
Now
robots
can
help
people
do
most
of
jobs.
D.
Now
robots
can
help
doctors
in
some
ways.
(
)
5.
What
does
the
passage
mainly
tell
us
A.
Robots.
B.
The
history
of
robots.
C.
The
robots’
usage
and
start.
D.
People
and
robots.
同步练习答案
一、
l.
C
2.
B
3.C
4.B
5.
C
二、
1.
doubts
2.
connected
3.
cancelled
4.
brain
5.
inside
三、
1.
A
2.D
3.D
4.
C
5.C
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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
C
Warming-up
Let’s
watch
a
video:
What
are
the
computers
used
for
Computers
were
invented
in
the
USA
in
the
1950s,
now
they
have
become
very
important
in
many
areas
of
work
and
leisure.
Doctors
can
find
diseases
easily
with
the
help
of
computers.
Presentation:
What
are
the
computers
used
for
For
example,
tiny
computers
which
are
inside
patients'
bodies
can
keep
their
hearts
beating
normally.
In
space,
computers
have
been
used
to
control
the
speed
and
direction
of
a
spaceship.
Let’s
watch
a
video:
Presentation:
In
factories,
robots
are
controlled
by
computers
that
are
like
human
brains.
They
can
do
work
that
is
dangerous
to
humans.
What
can
you
do
on
a
computer
at
home
play
computer
games
listen
to
music
Presentation:
chat
with
friends
online
do
shopping
do
business
send
emails
Presentation:
watch
movies
What
can
you
do
on
a
computer
at
home
Presentation:
The
whole
world
is
connected.
The
Internet
is
making
the
world
smaller,
like
a
village.
Presentation:
For
instance,
if
we
work
on
computers
too
long,
we
may
get
headaches
or
sore
eyes.
If
we
play
computer
games
too
much,
we
won't
have
enough
time
to
study
,
exercise.or
talk
with
family
and
friends
.
But
computers
have
brought
problems,
too.
Besides,
not
everything
we
read
on
the
Internet
is
true
or
good
for
us.
除此以外
But
computers
have
brought
problems,
too.
Free-talk:
What
do
you
often
use
the
computers
to
do
2.
Does
the
Internet
make
life
simpler
How
3.
What
problems
have
computers
brought
to
us
Discuss
the
questions
in
groups.
Then
share
different
ideas
in
class.
1a
1.
Tick
the
fields
we
use
the
computer
in.
education
business
industry
communication
daily
life
medical
care
entertainment
sports
the
title
:
The
Importance
of
Computers
1.
Predict
(预测)
the
main
idea
of
the
passage
Computers
are
important
in
our
lives.
Listen
to
the
tape
and
guess
the
main
idea
from
the
title
:
Underline
the
topic
sentence
of
each
paragraph.
Paragraph
1.
Since
computers
were
invented
in
the
USA
in
the
1950s,
they
have
become
very
important
in
many
areas
of
work
and
leisure.
Paragraph
2.
Since
the
Internet
came
into
being,
people’s
lives
at
home
have
been
changed,
too.
Paragraph
3.
Computers
have
improved
our
lives,
but
they
have
brought
problems,
too.
Fast-Reading
1b
Read
Paragraph
1,
and
fill
in
the
chart.
Place
The
usage
of
computers
In
space
In
hospitals
In
factories
In
business
control
the
speed
and
direction
find
diseases
easily
and
solve
other
problems
do
dangerous
work
used
to
place
and
cancel
orders
Reading
1
Have
people’s
lives
at
home
been
changed
since
the
Internet
came
into
being
2
What
do
people
use
their
personal
computers
for
3
The
Internet
is
making
the
world
smaller,
isn’t
it
Yes,
they
have.
People
can
use
their
computers
to
play
games,
watch
movies,
do
shopping,
do
business,
send
e-mails
and
chat.
Yes,
it
is.
Reading
Read
Paragraph
2,
and
answer
the
questions.
How
should
we
use
computers
properly
1.
We
shouldn’t
________
(从事)
computers
too
long,
or
we
may
get
_________(头痛)or
sore
eyes.
2.
If
we
________(花费)too
much
time
______
(play)
computer
games,
we
__________(not
have)
enough
time
to
study
or
exercise.
3
.We
shouldn’t
believe
____________(一切)
we
read
on
the
Internet.
work
on
headache
spend
playing
won’t
have
everything
Reading
Read
Paragraph
3,
and
fill
in
the
blanks.
1b
2.
Complete
the
following
diagram.
computers
usage
problem
work
daily
life
____________________________
of
a
spaceship.
help
doctors
_____________________________.
_______________________________
in
factories.
help
businessmen
_____________________.
play
games
and
__________________________.
_______________
and
_____________
at
home.
___________________
by
sending
e-mails
and
_______________________________.
get
headaches
or
_____________________.
don’t
have
enough
time
__________________.
something
on
Internet
is
not
________________.
control
the
speed
and
direction
find
diseases
easily
control
the
robots
place
and
cancel
orders
watch
movies
do
shopping
do
business
communicate
chatting
online
sore
eyes
to
study
or
exercise
true
or
good
Reading
Read
1a
again
and
repeat.
The
Importance
of
Computers
Since
computers
were
invented
in
the
USA
in
the
1950s,
they
have
become
very
important
in
many
areas
of
work
and
leisure.There
is
no
doubt
that
computers
are
very
useful
in
technology
and
business.
In
space,
computers
have
been
used
to
control
the
speed
and
direction
of
a
spaceship.With
the
help
of
computers,
doctors
can
find
diseases
easily
and
solve
other
problems.For
example,
tiny
computers
which
are
inside
patients'
bodies
can
keep
their
hearts
beating
normally.
In
factories,
robots
are
controlled
by
computers
that
are
like
human
brains.
They
can
do
work
that
is
dangerous
to
humans.
In
business,
computers
are
used
to
place
and
cancel
orders.
They
are
also
making
the
workplace
safer
and
better.
Reading
Read
1a
again
and
repeat.
Since
the
Internet
came
into
being,
people's
lives
at
home
have
changed,
too.
More
and
more
people
have
personal
computers
that
are
used
to
play
games
and
watch
movies.
Thanks
to
the
Internet,
people
can
do
shopping
and
do
business
at
home.
Instead
of
writing
letters
on
paper,
people
communicate
by
sending
e-mails
and
chatting
on
line.
The
whole
world
is
connected.
The
Internet
is
making
the
world
smaller,
like
a
village.
Computers
have
improved
our
lives,
but
they
have
brought
problems,
too.
For
instance,
if
we
work
on
computers
too
long,
we
may
get
headaches
or
sore
eyes.
If
we
play
computer
games
too
much,
we
won't
have
enough
time
to
study
or
exercise.
Besides,
not
everything
we
read
on
the
Internet
is
true
or
good
for
us.
Computers
help
us
at
work
and
at
home,
but
they
must
be
used
properly.
There
is
no
doubt
that
we
will
be
successful.
I
don't
doubt
that
they
will
be
able
to
solve
the
problems.
doubt
n.
&
v.
怀疑，疑惑
(2)doubt
(vt.)+
从句
(3)doubt
(vi.)+
about
/
of
Doubt
is
the
key
to
knowledge.
There
is
no
reason
to
doubt
of
his
honesty.
I
doubt
whether/if
he'll
change
his
mind.
(1)doubt
(n.)
1.There
is
no
doubt
that
computers
are
very
useful
in
technology
and
business.毫无疑问电脑在技术和贸易业都非常有用。
Grammar:
Language
points:
2.
Instead
of
writing
letters
on
paper
,people
communicate
by
sending
e-mails
and
chatting
online.人们通过发送电子邮件和在线聊天的方式进行交流，代替了用纸写信。
instead单独使用，可放于句尾，如果放于句中应该用逗号隔开。而instead
of通常放于句中，后面要加名词，代词，或者动名词。
I
didn't
go
to
Beijing,
instead,
he
went
there.
=I
didn't
go
to
Beijing,
he
went
there,
instead.
He
went
to
Beijing
instead
of
me.
instead
of
doing
代替，而不是……
He
stayed
at
home
yesterday
instead
of
going
out
to
watch
movies
.
昨天我呆在家里而不是外出看电视。
I
gave
him
advice
instead
of
money.
我给了他忠告，而不是钱。
Grammar:
Language
points:
3.
For
instance
,if
we
work
on
computers
too
long
,we
may
get
headaches
or
sore
eyes.
例如，如果我们在计算机前工作太久，也许会头痛或眼睛酸涩。
for
instance,
例如，举例。
如：For
instance,you
can
study
English
by
listening
to
the
tapes
.
例如，你可以通过听磁带来学习英语。
Grammar:
Language
points:
such
as,
for
example,
for
instance用法
such
as用来列举整体之中的部分同类人或事物作例。such
as之前一般用逗号和主句隔开，such
as之后没有逗号，直接加名词性短语。
Some
of
the
European
languages
come
from
Latin,
such
as
French,
Italian;
and
Spanish.部分欧洲的语言，例如法语、意大利语、西班牙语，都是源于拉丁语。
for
example是列举整体之中的一个为例，在句子中多用作插人语，用逗号与主句隔开，for
example之后也有逗号。for
example作插人语，位置可以在句首、句中或句末。
Noise,
for
example,
is
a
kind
of
pollution
as
well.噪音，打个比方，也是一种污染。
for
instance主要用于列举表示事例情况的例子。有时，相当于such
as，后接具体的事物。
You
can
choose
any
one
of
them,
for
instance,
this
one
on
the
left.
你可以选择其中任何一个，例如靠左边的这个。
4.The
whole
world
is
connected.网络连接了全世界。
connect
v.
连接
connection
n.
关系，联系
1.connect
A
with
B
使A与B连接
2.connect
sth.
(to
sth.)
使电、气、水等接通
3.connect
sb./sth.
(with
sb./sth.)
与……有联系，把……联系起来
Grammar:
Language
points:
5.
Besides,
not
everything
we
read
on
the
Internet
is
true
or
good
for
us.另外，我们在网上看到的东西并不都是真实的、有益的。
(1)besides与except用于肯定句时，except意为“除……之外（不再有）”；besides意为“除……之外（还有）”。
如：
I
have
another
blue
pen
besides
this
one.
除了这支外，我还有另一支蓝色钢笔。（1+1，共2支）
We
all
passed
the
exam
except
Tom.
我们都通过了考试，汤姆除外。（整体中……汤姆一人不及格）
Grammar:
Language
points:
(2)except前几乎总有all、any、every、no及其复合词等词。如：
He
answered
all
the
questions
except
the
last
one.
除了最后一个问题没答外，其余问题他都答了。
(3)except后接名词、代词、动名词和动词原形，这时except=but；
但except后跟副词、介词短语时，不能用but代替。如：
The
window
is
never
open
except
in
summer.
这扇窗户从来不开，除夏季外。
He
did
nothing
except/
but
clean
the
house.
他只是打扫了房子。
Grammar:
Key
phrases:
there
is
no
doubt
毫无疑问
keep
their
hearts
beating
使他们的心脏跳动
place
and
cancel
orders
下订单和取消订单
personal
computers
个人电脑
do
business
做生意
chat
onlin
e
在线聊天
for
instance
例如
at
work
and
at
home
在工作中和家庭生活中
break
down
出故障
Watch
the
flash
of
1a,
Then
retell
the
passage
in
pairs.
Pairwork
Retell
the
passage
based
on
the
following
diagram.
computers
usage
problem
work
daily
life
____________________________
of
a
spaceship.
help
doctors
_____________________________.
_______________________________
in
factories.
help
businessmen
_____________________.
play
games
and
__________________________.
_______________
and
_____________
at
home.
___________________
by
sending
e-mails
and
_______________________________.
get
headaches
or
_____________________.
don’t
have
enough
time
__________________.
something
on
Internet
is
not
________________.
control
the
speed
and
direction
find
diseases
easily
control
the
robots
place
and
cancel
orders
watch
movies
do
shopping
do
business
communicate
chatting
online
sore
eyes
to
study
or
exercise
true
or
good
How
often
do
you
use
the
computer
Often.
Sometimes.
Seldom.
...
2.
What
do
you
often
do
on
the
computer
Do
some
shopping.
See
movies.
Play
games.
…
3.
What
do
you
think
of
the
computer
Useful.
Important.
…
4.
Do
you
think
the
computer
is
good
for
us
5.
What’s
your
advice
on
using
computers
for
your
classmates
Discuss
the
following
questions
in
groups.
Speak
out
your
ideas.
Good
Bad
or
The
Internet
Debate（辩论）
Positive
Side（正方）
Negative
Side（反方）
1.make…easier
and
simpler
1.cause
us
to
be
less
social
with
…
2.open
up
the
world
2…attack
the
web
3.stay
in
touch
with
3.steal…
…
…
2
Write
a
short
passage
with
the
title
with
One
Day
Without
Computers.
The
following
information
may
help
you.
Suppose
you
were
on
a
special
day
in
2030.
During
the
day,
there
were
no
computers
in
the
world.
What
trouble
would
you
have
You
may
begin
like
this:
One
Day
Without
Computers
Today,
when
I
got
up,
I
just
turned
on
the
computer
as
usual,
but
it
didn’t
work.
Then
I
tried
my
brother’s
PC,
my
parents’,
even
my
dog’s,
but
none
of
them
worked.
Later,
it
was
reported
on
TV
that
all
of
the
computers
in
the
world
broke
down
today…
One
Day
Without
Computers
Today,
when
I
got
up,
I
just
turned
on
the
computer
as
usual,
but
it
didn’t
work.
Then
I
tried
my
brother’s
PC,
my
parents’,
even
my
dog’s,
but
none
of
them
worked.
Later,
it
was
reported
on
TV
that
all
of
the
computers
in
the
world
broke
down
today.
So
the
world
is
quite
different.
For
instance,
we
can’t
play
games,
watch
movies
or
do
shopping
at
home.
Besides,
we
can’t
communicate
by
sending
e-mails
or
chatting
online.
Without
the
help
of
computers,
businessmen
can’t
place
or
cancel
orders
online.
Teachers
can’t
give
lessons
to
their
students.What’s
worse,
robots
controlled
by
computers
can’t
do
dangerous
work
for
humans.
Even
the
doctors
can’t
find
the
diseases
easily.
In
short,
we
almost
have
trouble
with
everything
without
computers
today.
You
can
write
it
like
this:
Summary:
We
learn:
1.
Some
words:
doubt,
tiny,
inside,
brain,
cancel,
connect
2.
Some
phrases:
no
doubt,
for
instance
3.
Some
sentences:
(1)
There
is
no
doubt
that
computers
are
very
useful
in
technology
and
business.
(2)
Computers
help
us
at
work
and
at
home,
but
they
must
be
used
properly.
We
can:
1.
Talk
about
the
importance
of
computers.
2.
Write
a
composition
by
using
our
imagination.
Homework
Read
1a.
Memorize
the
useful
expressions
and
key
sentences
which
we
learned
today.
Finish
Section
C
in
your
workbook.
Review
Sections
A-C.
谢谢
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