九年级英语Unit 13 We are trying to save the earth. Section A 同步练习（3课时 含答案）

Unit
13
Section
A
(1a-2d)
Ⅰ.根据句意及首字母提示补全单词
1.C　　　　
can
be
used
to
produce
electricity.?
2.The
new
car
c　　　　
a
lot
of
money,
but
it
was
certainly
worth
it.?
3.There
is
a
w　　　　
bed,
a
table
and
two
chairs
in
this
small
room.?
4.It
is
a
very
clean
city.
You
will
hardly
find
l　　　　
when
you
walk
along
the
street.?
5.My
uncle
is
a
great
f　　　　
and
he
caught
ten
fish
this
morning.?
6.Some
cups
in
the
shop
are
nice
and
expensive
and
the
others
are
u　　　　
and
cheap.?
7.Living
in
this
neighborhood
has
a
lot
of
a　　　　.
The
only
drawback(弊端)
is
noise.?
8.The
river
is
so
clean
that
we
can
see
its
b　　　　
clearly.?
Ⅱ.从方框中选单词或短语并用其适当形式填空
solve,
pollute,
turn…into,
be
able
to,
cut
down
9.Taking
a
bus
or
subway
can
　　　　　　　　air
pollution.?
10.Our
earth
is
becoming
more
and
more
　　　　　　　　because
of
the
rapid
increase
in
population.?
11.We
must
make
plans
　　　　　　　　these
traffic
problems.?
12.The
magician
　　　　　　　　those
pieces
of
paper
　　　　　　　　colorful
flowers
and
all
the
people
were
very
excited.?
13.They
will
　　　　　　　　study
in
a
new
classroom
on
May
16th
next
year.?
Ⅲ.根据汉语意思完成句子
14.请问这条路通向火车站吗?
Excuse
me,
does
this
road
　　　　　　　　the
railway
station??
15.他忘了关车门。当他意识到的时候,车里满是树叶。
He
forgot
to
close
the
car
door.
When
he
realized,
the
car
was
　　　　　　　　leaves.?
16.这条河以前很干净,但现在很脏。我们必须要把它清理干净。
The
river
　　　　　　　　　　　　very
clean,
but
it’s
dirty
now.
We
must
　　　　　　　　　　　　.?
17.我们都应该为保持我们学校干净尽一份力。
We
all
should　　　　
　　　　　　　　　　　　keeping
our
school
clean.?
18.每天锻炼一小时对健康和学习都有好处。
It　　　　
　　　　　　　　health
and
study
to
exercise
for
an
hour
every
day.?
Ⅳ.语篇填空
通读下面的短文,然后在空白处填入1个适当的单词或括号内单词的正确形式。
To
understand
why
the
earth
is
warming
up,
19.　　　　(one)
of
all,
we
need
to
understand
why
it
is
warm.
Our
planet
20.　　　　(cover)
with
the
atmosphere(大气).
Sunlight
passes
21.　　　　
the
atmosphere
and
reaches
the
earth.
The
sun
heats
up
the
22.　　　　(earth)
surface.
When
the
heat
rises
into
the
air,
and
it
is
stopped
by
some
special
gases
in
the
atmosphere
like
CO2,
the
heat
returns
to
the
earth
and
keeps
23.　　　　
warm.?
Power
stations
and
cars
release(释放)
so
24.　　　　
greenhouse
gases
every
day.
So
we
can
help
stop
global(全球的)
warming
by
using
fewer
electric
things
such
as
25.　　　　(turn)
off
lights
when
we
leave
a
room,
or
asking
our
parents
to
turn
down
the
heating
in
our
house
26.　　　　(save)
energy.
We
can
also
stop
global
warming
by
finding
other
27.　　　　(way)
of
transportation.
For
example,
riding
a
bicycle
or
walking
instead
of
going
by
car.
Another
way
to
help
stop
global
warming
is
to
plant
trees
28.　　　　
trees
take
in
CO2.
They
are
our
best
friends
when
fighting
against
global
warming.?
答案
Ⅰ.1.Coal　2.cost　3.wooden
4.litter　5.fisherman　6.ugly
7.advantages　8.bottom
Ⅱ.9.cut
down　10.polluted　
11.to
solve　12.turned;
into　
13.be
able
to
Ⅲ.14.lead
to　15.full
of/filled
with
16.used
to
be;
clean
it
up
17.play
a
part
in　
18.is
good
for
Ⅳ.19.first　20.is
covered　21.through
22.earth’s　23.it　24.many
25.turning　26.to
save
27.ways　28.because
Unit
13
Section
A
(3a-3b)
Ⅰ.根据句意及汉语提示完成句子
1.So
far,
no
　　　　(科学的)
studies
have
shown
that
shark
fins
are
good
for
health.
?
2.The
king
was
very
　　　　(残忍的)
and
he
gave
an
order
that
those
people
should
be
killed
at
once.?
3.The
tourist
　　　　(行业)
in
the
city
is
growing
more
and
more
important.?
4.Don’t
you
know
stealing
is
against
the
　　　　(法律)??
5.Smoking
is　　　　(有害的)
to
your
health.?
Ⅱ.从方框中选单词并用其适当形式填空
industry,
shark,
ecosystem,
danger,
south
6.This
is
an　　　　
animal.
We
should
try
to
save
it.?
7.We
saw
two
　　　　in
the
wild
zoo.
They
are
large
and
have
sharp(尖的)
teeth.?
8.More
and
more
robots
are
used
in
　　　　.?
9.Hainan
is
in
the
　　　　part
of
China.?
10.Sharks
are
at
the
top
of
the
food
chain
in
the
ocean’s
　　　　.?
Ⅲ.
根据汉语意思完成句子
11.他的中指工作时不小心被机器切掉了。
His
middle
finger
　　　　accidentally
　　　　　　　　by
the
machine
while
working.?
12.事实上,它将给所有的海洋生物带来危害。
　　　　
　　　　,
it
will
　　　　danger
to
all
ocean
life.?
13.记住我们是食物链的一部分。
Remember
that
we
are
part
of
the　　　　
　　　　.?
14.据说转基因食品对人类健康有害。
It’s
said
that
the
GMF
　　　　　　　　　　　　human
health.
?
15.长颈鹿能够到树顶的叶子。
A
giraffe
can
reach
the
leaves
　　　　　　　　　　　　　　　　the
trees.?
Ⅳ.判断正误
　　阅读下面的材料,判断下列句子是否符合短文内容。符合的填“T”,不符合的填“F”。
The
world
has
a
plastic
problem.
And
not
just
with
bottles.
Straws(吸管),
toothbrushes,
toys—all
kinds
of
plastics
are
placed
in
landfills(垃圾填埋场).
There
are
5
billion
tons
of
plastic
waste
in
the
world.
Landfills
have
a
large
part
of
it.
By
2050,
they
could
have
13
billion
tons.
Much
of
plastic
rubbish
finds
its
way
into
the
ocean.
Scientists
say
165
million
tons
of
plastic
pieces
are
floating
around
out
there.
And
most
plastic
won’t
disappear
itself.
It
will
remain
in
the
ocean
forever.
Whales
get
caught
in
plastic
fishing
nets.
Birds
die
because
of
eating
plastic
straws
and
bottle
caps.
It
endangers
ocean
life.
Plastic
rubbish
even
ends
up
in
the
food
we
eat.
Governments
are
realizing
that
recycling
may
not
be
enough.
They
are
taking
more
actions.
Though
it
is
hard
work,
it
is
still
a
solvable
problem.
In
Britain,
people
are
not
allowed
to
use
plastic
bags
except
in
hospitals.
Scotland
and
several
coastal
cities
in
the
US
stop
people
from
using
plastic
straws
as
well.
The
US
alone
throws
away
some
500
million
plastic
straws
a
day.
That’s
enough
to
circle
the
earth
twice,
“Saying
no
to
a
plastic
straw
is
an
easy
way
to
make
a
big
difference,”
Diana
Lofflin
who
started
www.strawfree.org
said.
“Do
we
really
want
to
pass
on
to
our
children
a
world
harmed
by
plastic?”
People
have
found
some
tasty
ways
to
reduce
waste.
A
company
in
India
made
the
first-ever
spoon
that
people
can
eat.
You
don’t
have
to
eat
the
spoon.
You
can
throw
it
away.
It
decomposes(分解)
in
just
a
few
days.
David
Edwards,
a
scientist
at
Harvard
University,
designed
an
eatable
bag
which
can
protect
the
food
or
drink
inside.
It
is
a
delicious
replacement
for
plastic
ones.
(　　)16.According
to
the
writer,
birds
die
because
they
eat
plastic
straws
and
bottle
caps.
(　　)17.The
plastic
problem
can
be
solved,
but
it
won’t
be
easy.
(　　)18.The
US
alone
throws
away
some
165
million
plastic
straws
a
day.
(　　)19.An
eatable
bag
was
designed
by
a
scientist
in
India.
(　　)20.The
passage
is
mainly
to
tell
readers
about
the
problem
with
plastics.
答案
Ⅰ.1.scientific　2.cruel　3.industry
4.law　5.harmful
Ⅱ.6.endangered　7.sharks　8.industry
9.southern　10.ecosystem
Ⅲ.11.was;
cut
off　12.In
fact;
bring
13.food
chain　14.is
harmful
to/is
bad
for
15.at
the
top
of
Ⅳ.【主旨大意】
本文是一篇说明文。文章介绍了当今世界普遍存在的塑料垃圾问题以及它的危害和一些解决方法。
16.T　由第二段的倒数第三句“Birds
die
because
of
eating
plastic
straws
and
bottle
caps.”可知,鸟类是因为吃塑料吸管和瓶盖而死亡。
17.T　根据第三段的第三句“Though
it
is
hard
work,
it
is
still
a
solvable
problem.”可知,塑料垃圾问题虽然很难解决,但是可以解决。
18.F
19.F　根据最后一段中“David
Edwards,
a
scientist
at
Harvard
University,
designed
an
eatable
bag
which
can
protect
the
food
or
drink
inside.”可知,这位科学家是哈佛大学的,应该是在美国,不是在印度。
20.T　由第一段首句“The
world
has
a
plastic
problem.”以及下文可知,全文主要介绍了世界普遍存在的塑料垃圾问题以及人们的行动。
Unit
13
Section
A
(Grammar
Focus-4c)
Ⅰ.用所给单词的适当形式填空
1.Kids
shouldn't
　　　　(swim)
in
the
river
without
adults.?
2.The
telephone
　　　　(invent)
by
Alexander
Graham
Bell
in
1876.?
3.My
hometown
is
greener
now.
More
and
more
trees
　　　　(plant)
every
spring.?
Ⅱ.按要求完成下列各题
4.
The
middle
school
boy
can
tell
traditional
Chinese
stories
in
English.
(改为一般疑问句)
　　　　
the
middle
school
boy
　　　　traditional
Chinese
stories
in
English??
5.The
boys
can
play
chess
in
the
afternoon.
(改为否定句)
The
boys　　　　
　　
　
chess
in
the
afternoon.?
6We
will
solve
the
problem
in
two
weeks.
(改为被动语态)
The
problem
will
　　　　
　　
　
by
us
in
two
weeks.?
7.These
apple
trees
were
planted
by
the
students
in
Class
1.
(改为一般疑问句)
　　　　
these
apple
trees
　　　　by
the
students
in
Class
1??
Ⅲ.根据句意及首字母或汉语提示完成句子
8.How
much
did
you
p　　　　
for
the
computer??
9.We
must
take
a　　　　
to
protect
our
environment.
?
10.We
can't
　　　　(承担得起)
to
go
abroad
this
summer.?
11.What
do
you
think
of
the
　　　　(交通运输)
in
your
city??
12.This
kind
of
material
is
　　　　(可重复使用的).
Don't
throw
it.?
Ⅳ.语法填空
　　阅读下面短文,在空白处填入适当的单词或括号内单词的正确形式(每空一词)。
　　Have
you
ever
seen
13.　　　　(shark)?
Do
you
know
they
are
14.　　　　(endanger)
now
like
pandas
and
tigers?
15.　　　　
can
we
save
these
animals?
Some
people
think
more
zoos
should
be
16.　　　　(build)
to
protect
the
animals.
People
can
take
good
care
of
them.
But
I
don't
think
it's
a
good
way.
Wild
animals
should
live
in
the
17.　　　　(nature)
environment.
But
in
the
zoo,
animals
are
kept
in
cages.
The
only
thing
they
can
do
is
to
18.　　　　(pull)
their
bodies
and
walk
around
in
the
cages.
Some
19.　　　　(science)
agree
that
protecting
the
environment
is
the
best
thing
to
protect
animals.
I
think
20.　　　　
is
also
good
to
save
our
earth.
So
we
should
try
our
best
to
spend
our
spare
time
helping
rebuild
a
new
living
environment,
and
the
government
should
develop
21.　　　　(law)
about
this,
22.　　　　
our
children
can
see
only
model
animals,
never
real
ones.?
Ⅴ.[2020·陕西]
完形填空
My
father
told
me
that
there
used
to
be
a
forest
near
our
town.
But
the
farmer
who
owned
the
forest　23　
trees
every
year
until
one
year,
there
were
no
trees
left.?
One
day,
our
teacher
took
us
out
and
we
had
a　24　
in
the
field
where
the
forest
used
to
be.While
eating
and
drinking,
we
　25　about
the
beautiful
forest
we
once
had.
One
of
my
classmates
comes
from
a
tribe(部落)
that
lived
in
the
west
of
our
country.
He
told
us
what
he
thought
about
the
change.
“It
makes
me
really　26　
to
learn
that
a
forest
has
disappeared.
My
people
have
taught
me
to
　27　think
seven
generations(七代人)
in
the
future.
That's
to
say,
when
we
do
something
to
the
land,
we
should
never
　28　
it.
We
must
care
about
nature
and
leave
it
good
enough
for
later
generations.”?
When
we
heard
what
he
said,
we
kept　29　first.
“Let's
plant
some
trees!”
said
our
teacher
after
a
moment.
“It
will
be
a
good
　30　!”
So
that's
what
we
did.
For
the
rest
of
the
spring,
we
worked
hard
and
we
planted
thousands
of
trees.?
That
was
five
years
ago.
Today,
when
I
stand
in
that
field
which
was
once
empty,
I
see　31　
about
as
tall
as
I
am.
It's
great
to
see
how
we've
　32　
the
field.
It
taught
us
the
power
of
thinking
about
the
future.?
(　　)23.A.cut
up
B.cut
down
C.looked
for
D.looked
after
(　　)24.A.picnic
B.test
C.wish
D.lesson
(　　)25.A.planned
B.feared
C.knew
D.talked
(　　)26.A.tired
B.excited
C.sad
D.hopeful
(　　)27.A.sometimes
B.always
C.seldom
D.never
(　　)28.A.protect
B.hurt
C.study
D.sell
(　　)29.A.thankful
B.happy
C.silent
D.shy
(　　)30.A.start
B.mistake
C.mess
D.warning
(　　)31.A.trees
B.leaves
C.grass
D.flowers
(　　)32.A.broken
B.bought
C.wasted
D.changed
答案
Ⅰ.1.swim　2.was
invented
3.are
planted
Ⅱ.4.Can;
tell　5.can't
play
6.be
solved　7.Were;
planted
Ⅲ.8.pay　9.action　10.afford
11.transportation　12.reusable
Ⅳ.13.sharks　14.endangered　15.How
16.built　17.natural　18.pull
19.scientists　20.it　21.laws　22.or
Ⅴ.【主旨大意】
本文是一篇记叙文。文章讲述了作者在老师的带领下和同学们植树的故事。故事告诉我们:人们要保护环境,做长远规划。
23.B　根据上文可知,作者所在的城镇附近过去有一片森林;结合转折连词“but”和下文句子“…there
were
no
trees
left.”可知,是由于拥有森林的农民不断砍伐树木,结果森林消失了。cut
up意为“切碎”;cut
down意为“砍倒”;look
for意为“寻找”;look
after意为“照顾”。故选B。
24.A　根据下文句子“While
eating
and
drinking”判断是老师带领学生们去野餐。picnic意为“野餐”;test意为“考试”;wish意为“愿望”;lesson意为“课程;教训”。故选A。
25.D　句意:当我们边吃边喝的时候,我们谈论关于我们曾经拥有的美丽森林。plan意为“计划,打算”;fear意为“害怕”;know意为“知道”;talk意为“谈论”。联系句意可知选D。
26.C　句意:得知森林消失这件事使我真的　　　　。tired意为“疲惫的”;excited意为“兴奋的”;sad意为“悲伤的”;hopeful意为“充满希望的”。根据上下文语境可知,这位同学对一整片森林的消失这件事感到很难过。故选C。?
27.B　句意:我的族人告诉我要总是考虑未来的七代人。sometimes意为“有时候”;always意为“总是”;seldom意为“很少,几乎不”;never意为“从不”。联系语境可知选B。
28.B　根据下文句子“We
must
care
about
nature
and
leave
it
good
enough
for
later
generations.”可知,我们永远不能伤害它。故选B。
29.C　thankful意为“感恩的”;happy意为“高兴的”;silent意为“沉默的”;shy意为“害羞的”。结合上下文语境以及下文句子“‘Let's
plant
some
trees!’
said
our
teacher
after
a
moment.”可知,一开始大家都是沉默的。故选C。
30.A　根据上文中老师建议大家植树可知,这个主意对于保护环境是个不错的开端。start意为“开始;
开端”。故选A。
31.A　联系上文内容可知,那个春天剩下的时间,在老师的带领下,作者和同学们种了成千上万棵树。作者五年后故地重游,发现小树已经长得和自己一样高了。故选A。
32.D　根据上文可知小树已经长高,故判断本句句意为“真高兴看到我们已经改变了这片田地”。break意为“损毁”;buy意为“买”;waste意为“浪费”;change意为“改变”。故选D。