Unit
3
Computers
Ⅰ.课文缩写
It's
known
to
us
all
that
the
computer
is
one
of
the
most
important
inventions
in
the
20th
century.
Though
it's
1.________
(wide)
used
in
our
daily
life,
it
began
only
as
a
calculating
machine
in
1642.
In
1822
the
analytical
machine
was
made
by
Charles
Babbage.
At
that
time,
after
the
computer
was
programmed
2.________
an
operator
3.________
used
cards
with
holes,
it
could
“think”
logically
and
produce
an
answer
4.________
(quick)
than
any
person.
With
the
time
5.________
(go)
by
the
computer
has
been
made
smaller
and
smaller,
quicker
and
quicker.
Later,
the
single
computer
was
6.________
(connection)
with
each
other.
The
information
could
be
7.________
(share).
Since
the
1970s
many
new
8.________
(apply)
have
been
found
for
the
computer.
It
has
become
very
important
in
9.________
(communicate)
finance
and
trade.
The
computer
is
a
10.________
(devote)
friend
and
helper
of
the
human
race!
答案
1．widely 2.by 3.who 4.quicker 5.going
6．connected 7.shared 8.applications
9．communication 10.devoted
Ⅱ.单词拼写
1．He
was
fined
the
________
(金额)
of
200.
2．A
child's
________
(智力)
develops
rapidly
between
the
ages
of
four
and
five.
3．Music
is
the
________
(通用的)
language
of
human
beings.
4．Scientists
have
______
(探索)
the
Arctic
regions
(北极地区)．
5．A
lot
of
problems
remain
to
be
________
(解决)．
6．They
have
accepted
my
________
(申请)
to
join
the
club.
7．Try
to
________
(简化)
your
explanation
to
the
students
to
help
them
understand
better.
8．He
set
a
________
(目标)
for
himself
of
exercising
at
least
three
times
a
week.
9．________
(无论如何),
I
must
finish
this
job
today.
10．You'd
better
________
(估算)
how
much
time
the
assignment
will
take.
答案
1．sum 2.intelligence 3.universal 4.explored
5．solved 6.application 7.simplify 8.goal 9.Anyhow
10．calculate
Ⅲ.单句语法填空
1．________
the
days
went
on,
the
weather
got
worse.
2．The
________
(apply)
of
the
new
technology
has
greatly
improved
the
living
level
of
the
local
farmers.
3．It's
so
heavy
a
box
________
I
can't
lift
it.
4．It's
so
heavy
a
box
________
I
can't
lift.
5．Rain
failed
to
fall
last
summer.
As
________
result,
a
lot
of
crops
died.
6．With
time
________
(go)
by,
I
became
less
anxious.
7．From
now
________，
I'll
focus
on
my
lessons.
8．It
will
be
two
days
________
we
go
for
a
picnic.
9．________
common
with
other
girls,
I
am
fond
of
playing
games.
10．He
had
climbed
this
mountain
several
months
before,
but
________
he
couldn't
find
the
way
this
time.
答案
1．As 2.application 3.that 4.as 5.a 6.going
7．on 8.before 9.In 10.somehow
PAGEUnit
3
Computers
Ⅰ.单词拼写
1．He
gave
a
________
(信号)
to
the
driver
to
carry
on.
2．His
father
is
a
baseball
________
(教练)．
3．My
father
bought
an
________
(电子的)
dictionary
for
me.
4．Generosity
is
part
of
the
American
________
(性格)．
5．This
is
a
new
__________
(类型)
of
machine,
with
lots
of
meters
on
it.
6．My
________
(侄女)
is
very
lovely.
7．We
should
watch
out
for
the
computer
________
(病毒)．
8．More
problems
like
those
at
the
nuclear
power
plant
are
certain
to
________
(出现)．
9．Judging
a
person
by
his
________
(外貌)
is
wrong.
10．When
you
________
(下载)
something,
you
must
be
careful
about
viruses.
答案
1．signal 2.coach 3.electronic 4.character 5.type
6．niece 7.viruses 8.arise 9.appearance
10．download
Ⅱ.单句语法填空
1．________
the
help
of
the
local
farmer,
he
found
the
way
out.
2．________
a
way,
he
benefited
from
this
trip.
3．The
flowers
should
be
watched
________，
or
else
they
will
die
in
such
cold
weather.
4．The
________
of
the
cell
phone
is
poor
here.
That's
why
I
can't
communicate
with
you.
5．When
________
(offer)
help,
he
said
“thanks”
again
and
again.
6．I
don't
know
________
to
deal
with
this
tough
situation.
7．________
you
watch
TV,
you
mustn't
disturb
others.
8．—Shall
we
go
to
her
party
at
7：00?
—________
(person),
it's
not
a
convenient
time.
9．A
new
situation
________
(arise)
when
we
built
the
dam.
10．While
________
(cross)
the
road,
he
was
knocked
down
by
a
car.
答案
1．With 2.In 3.over 4.signal 5.offered 6.how
7．Whenever 8.Personally 9.arose 10.crossingUnit
3
Computers
Ⅰ.用括号内所给单词的适当形式填空
1．Jack
________
(not
tell)
about
the
matter
yet.
2．The
problem
________
(not
solve)
so
far.
3．________
the
cost
of
the
project
________
(calculate)?
4．The
land
to
the
south
of
the
Murray
River
________
(already
explore)．
5．The
road
________
(finish)
two
weeks
ago.
6．A
new
bridge
________
(build)
over
the
river
next
year.
7．Up
to
now,
10
people
buried
in
the
mine
________
(rescue)．
8．So
far
12
houses
________
(pull)
down
in
the
big
storm.
9．I
________
(live)
here
since
I
was
born.
10．He
________
(invite)
to
dinner
yesterday
evening.
答案
1．hasn't
been
told 2.hasn't
been
solved
3．Has;
been
calculated 4.has
already
been
explored
5．was
finished 6.will
be
built 7.have
been
rescued
8．have
been
pulled 9.have
lived 10.was
invited
Ⅱ.语法填空
Eleven?year?old
Angela
was
stricken
with
a
disease
involving
her
nervous
system.
The
doctors
did
not
hold
out
much
hope
of
her
ever
recovering
__1__
this
illness.
They
predicted
she'd
spend
the
rest
of
her
life
in
a
wheelchair.
__2__
Angela
__3__
(firm)
believed
that
she
was
definitely
going
to
be
walking
again
someday.
The
doctors
were
charmed
by
her
undefeatable
spirit.
They
taught
her
about
imaging—about
seeing
herself
__4__
(walk).
Angela
would
work
as
hard
as
possible
in
physical
therapy(理疗),
lying
there
faithfully
doing
her
imaging,
visualizing
herself
moving,
moving,
moving!
One
day,
as
she
was
training
with
all
her
efforts
to
imagine
her
legs
__5__
(move)
again,
__6__
seemed
as
though
a
miracle
happened:
The
bed
moved!
She
screamed
out,
“Look
what
I
__7__
(do)
!
Look！Look!
I
can
do
it!
I
moved,
I
moved！”Of
course,
__8__
this
very
moment
everyone
__9__
in
the
hospital
was
screaming,
too.
It
was
the
San
Francisco
earthquake.
But
don't
tell
that
to
Angela.
She's
convinced
__10__
she
did
it.
And
now
only
a
few
years
later,
she's
back
in
school.
On
her
own
two
legs.
No
walking
sticks,
no
wheelchair.
答案与解析
1．from recover
from
从……中康复。
2．But 该空表示转折，故用but。
3．firmly 修饰实义动词用副词。
4．walking see
sb.
doing
sth.
看见某人在做某事。
5．moving imagine后跟动名词形式。
6．it it作形式主语。
7．am
doing look后与现在进行时连用。
8．at at
this
very
moment就在这时。
9．else else放在不定代词后，意为“别的”。
10．that that引导宾语从句无意义，也不充当任何句子成分。
