Unit
5
A
delicate
world
Period
2
Using
language
（练习原卷版）
I：单词拼写
1.
In
her
first
book
she
explained
the
role
of
vegetable
fibers,
vitamins,
minerals,
and
other
essential
__________
(营养物).?
2.
Warm?the?sugar?slightly?first?to
make?it?__________
(溶解)?quicker.?
3.
If
you
describe
someone
as
a?book
__________
(虫子),
you
mean
they
are
very
fond
of
reading.
4.
They?__________
(授粉)
the?flower?and?help?seeds?develop
better.?
5.
The
girl
student
did
not
return
home
instead
of
attending
the
summer
________
(期间)
of
college.?
6.
Protect?and?restore?wetlands,
which?are?an
important?part
of?grassland?__________
(生态).?
7.
In
________
(比较)?with?the?previous?study,?the?new?study?expanded?research?subjects.?
8.
Test
results
indicate?that
a?__________
(分解体)
can?remarkably?improve?the?quality
of
this
new
material.?
9.
They?strongly?demand
that?you?__________
(补偿)
for
the?loss.
10.
It?is?a?very?pretty?butterfly,?with
a?pair
of?colourful__________
(翅膀).
II：单句语法填空
1.
Both
sides?consider?________?desirable
to?further?the?understanding?between?the?two?peoples.
2.
Due
to
too
much
work
to
do,
I'll
leave
it?up
to?you?_________
(use)?your?discretion.
3.
I
think
it
________
breakthrough
to
transform
a
desert
into
a
forest
or
a
wide
stretch
of
grassland.
4.
__________
(absorb)?in?their?game,?these?children?did
not?feel?hungry?at
all.
5.
Don't
rely
on
________
(go)
abroad
for
our
holiday,
for
we
may
not
be
able
to
afford
it.
6.
They
cannot
be
relied
on
________
(
offer)
much
support
or
useful
advice.
7.
The
dissolved
chemicals
are
released
back
into
the
food
chain
_______
(use)
by
producers.
8.
Secondary
consumers
prey
on
primary
consumers,
as
well
as
________
(eat)
other
animal
matter.
9.
In
just
a
journey
______
(collect)
pollen
and
nectar,
one
single
honey
bee
can
pollinate
as
many
as
50
to
100
flowers.
10.
Both?patterns?tend
to?exist?because?they?________
(feed)
on
each
other.
III.
选词组并用其适当的形式填空。
be
native
to
feed
on
absorb...
from
break
down
a
combination
of
in
existence
pray
on
transform
...
into
check
out
take
in
1.
According
to
a
study,
butterflies?______________
a?sweet?liquid?produced?by?flowers.
2.
It
is
common
knowledge
that
humans
_________oxygen
and?breathe?out?carbon
dioxide.?
3.
The
worms'
ability?to?break?down?their
everyday?food?also
allows?them
to?________?plastic.
4.
The
rule
says
that
guests?should?_________?of
their?rooms?by
noon
if
they
don’t
pay
for
accommodation.
5.
The
lions?in?this?area?___________?deer?and?other?wild?animals
for
food.
6.
The
red-eared
slider,
a
species
of
freshwater
turtle,
______________
Central
America.
7.
____________________
internal
and
external
factors?caused?the?company?to?close
down.
8.
The
ancient
china?is?thought
to
be?the
only?one
_____________________?in?the?province.
9.
If
we
use
this
new
way
to
boil
meat,
minerals?__________________
animal?foods
more
easily.
10.
During
the?holiday
season,?the
town?___________________?a?Christmas?wonderland.
IV.
七选五：从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。
China
has
made
great
improvements
in
environmental
protection
during
the
past
seven
years
.1
．Each
species（物种）on
Earth
has
a
role
to
play
in
the
ecosystem.
In
recent
decades,
a
series
of
wildlife-protection
movements
have
been
carried
out
by
the
central
government.
2
．The
giant
panda
and
the
crested
ibis
are
among
these
success
stories.
The
giant
panda
used
to
have
a
population
of
1114
in
the
1970s.
It
now
totals
1864
thanks
to
52
protection
areas.
3
.
By
the
end
of
last
year,
seven
of
the
nine
pandas
released
had
survived
in
the
wild.
4
．
In
1981，only
seven
crested
ibises
were
found
in
Yangxian
county,
Shaanxi
Province.Since
then,
breeding
programs
have
helped
the
population
reach
2000.
China
has
even
sent
crested
ibises
to
Japan
and
South
Korea
in
recent
years,
to
help
with
the
species'
survival.
5
．
Key
projects
will
be
continually
carried
out
to
improve
protection，including
making
the
lists
of
wild
animals
and
plants
under
State
protection，and
also
fighting
against
illegal
wildlife
trade，
which
includes
ivory（象牙）.
A.
As
environmental
damage
has
increased,
signs
of
change
have
appeared
around
the
world.
B.
Another
species
was
once
thought
to
be
extinct.
C.
Scientists
have
worked
to
feed
pandas
and
then
release
them
into
the
wild.
D.
People
call
for
immediate
protection
of
the
remaining
species.
E.
Several
species
in
danger
of
extinction
have
made
impressive
progress
thanks
to
the
methods.
F.
China
will
continue
its
efforts
of
the
wildlife
protection.
G.
Protecting
wildlife
is,
without
doubt,
an
important
part.
V:
阅读理解。阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选。
One
kind
of
female
butterfly
mates
only
once
in
its
life
--
and
then
closes
its
wings
to
avoid
"harassment"
when
pursued
by
persistent
and
unwanted
males,
a
Japanese
researcher
said.
Observations
of
the
Small
Copper
Butterfly,
a
colourful
orange
and
black
butterfly,
showed
that
some
females
closed
their
wings
when
males
flew
by,
but
only
when
they
were
males
of
their
own
species,
said
Jun-Ya
Ide,
an
associate
professor
at
Kurume
Institute
of
Technology
in
Fukuoka,
western
Japan.
"When
we
looked
into
why,
the
males
were
courting
the
females.
They
do
this
very
stubbornly,
so
the
females
sometimes
try
to
get
away
--
or
prefer
to
stay
unobserved,"
he
added.
Ide
and
his
colleagues
brought
a
model
of
a
male
butterfly
near
the
females
to
test
their
reactions
and
found
that
young
females
that
had
yet
to
mate
kept
their
wings
open,
but
those
that
had
already
mated
closed
them.
Not
only
can
the
persistent
attentions
of
unwanted
suitors
harm
the
delicate
females,
fleeing
from
them
--
with
the
male
often
in
pursuit
--
uses
up
strength
and
can
even
shorten
their
lives,
he
added.
"Closing
their
wings
makes
them
less
visible,
helping
them
avoid
communication
with
their
own
species.
We
figured
they
were
trying
to
avoid
harassment
by
males,"
Ide
said.
1．What
does
the
word
“harassment”
mean
in
the
paragraph？
A．
attack
B．
embarrassment
C．
sexual
invasion
D．
threat
2．Why
some
females
closed
their
wings
when
males
flew
by？
A．
because
they
close
their
wings
to
avoid
"harassment"
when
pursued
by
persistent
and
unwanted
males.
B．
because
the
female
butterfly
mates
only
once
in
its
life.
C．
because
they
don’t
like
the
male
butterfly
at
all.
D．
because
they
are
afraid
of
the
male
butterfly.
3．According
the
the
passage,
which
is
correct?
A．
The
females
closed
their
wings
when
males
flew
by.
B．
Only
the
model
of
a
male
butterfly
can
make
the
young
female
butterflies
to
keep
their
wings
open.
C．
The
female
butterfly
mates
only
once
in
its
life
D．
Not
only
can
the
persistent
attentions
of
wanted
suitors
harm
the
delicate
females,
fleeing
from
them
with
the
male
often
in
pursuit
--
uses
up
strength
and
can
even
shorten
their
lives.
VI.
语篇填空
The
red-eared
slider,
a
species
of
freshwater
turtle,
is
native
____1____
the
Southern
United
States
and
Northern
Mexico.
Due
to
its
cute
appearance,
many
people
think
____2____
(keep)
this
turtle
as
a
pet
is
a
good
idea.
Recent
years
have
seen
more
and
more
pet
sliders
escaping
or
____3____
(release)
from
homes,
and
some
owners
believe
it
no
big
issue
to
release
them
into
the
wild.
These
days,
people
____4____
(find)
it
a
threat
to
other
species
to
release
these
turtles
into
the
wild.
Because
of
their
high
survival
rate
high,
when
released
into
the
wild,
they
will
seriously
___5_____
(threat)
the
survival
of
native
wild
_____6_____
(tortoise)
and
similar
species.
Moreover,
the
red-eared
sliders
take
up
a
large
area
of
space,
____7_____
belongs
to
other
native
wildlife.
Therefore,
those
who
love
to
release
animals
should
be
limited
____8_____
(strict).
Otherwise,
their
kind-hearted
action
will
turn
into
killing
animals.
Experts
consider
owners
keeping
their
____9____
(pet)
in
an
enclosed
area
important,
and
anyone
unable
to
keep
their
pets
should
take
them
to
____10_____
appropriate
animals
shelter.Unit
5
A
delicate
world
Period
2
Using
language
（练习解析版）
I：单词拼写
1.
In
her
first
book
she
explained
the
role
of
vegetable
fibers,
vitamins,
minerals,
and
other
essential
__________
(营养物).?
【答案】
nutrients.
2.
Warm?the?sugar?slightly?first?to
make?it?__________
(溶解)?quicker.?
【答案】dissolve
3.
If
you
describe
someone
as
a?book
__________
(虫子),
you
mean
they
are
very
fond
of
reading.
【答案】?worm
4.
They?__________
(授粉)
the?flower?and?help?seeds?develop
better.?
【答案】pollinate
5.
The
girl
student
did
not
return
home
instead
of
attending
the
summer
________
(期间)
of
college.?
【答案】session
6.
Protect?and?restore?wetlands,
which?are?an
important?part
of?grassland?__________
(生态).?
【答案】ecology
7.
In
________
(比较)?with?the?previous?study,?the?new?study?expanded?research?subjects.?
【答案】comparison
8.
Test
results
indicate?that
a?__________
(分解体)
can?remarkably?improve?the?quality
of
this
new
material.?
【答案】decomposer
9.
They?strongly?demand
that?you?__________
(补偿)
for
the?loss.
【答案】compensate
10.
It?is?a?very?pretty?butterfly,?with
a?pair
of?colourful__________
(翅膀).
【答案】wings
II：单句语法填空
1.
Both
sides?consider?________?desirable
to?further?the?understanding?between?the?two?peoples.
【答案】it
【解析】consider
it
+adj
+
to
do
sth:
用it作形式宾语，构成动词+形式宾语+宾语补足语的复合结构。
2.
Due
to
too
much
work
to
do,
I'll
leave
it?up
to?you?_________
(use)?your?discretion.
【答案】to
use
【解析】leave+
it（作形式宾语）+宾语补足语
+to
do
sth
(不定式作真正宾语后置)。
3.
I
think
it
________
breakthrough
to
transform
a
desert
into
a
forest
or
a
wide
stretch
of
grassland.
【答案】a
4.
__________
(absorb)?in?their?game,?these?children?did
not?feel?hungry?at
all.
【答案】Absorbed
【解析】过去分词作原因状语，动词absorb与逻辑主语these
children构成被动关系。
5.
Don't
rely
on
________
(go)
abroad
for
our
holiday,
for
we
may
not
be
able
to
afford
it.
【答案】going
【解析】rely
on
(one’s)
doing
sth
,
动名词作宾语。
6.
They
cannot
be
relied
on
________
(
offer)
much
support
or
useful
advice.
【答案】to
offer
【解析】rely
on
sb
to
do
sth:
构成动词+宾语+宾语补足语复合结构，不定式作宾补。
7.
The
dissolved
chemicals
are
released
back
into
the
food
chain
_______
(use)
by
producers.
【答案】to
be
used
【解析】不定式作目的状语，
动词use
与逻辑主语构成被动关系，故使用
to
be
used.
8.
Secondary
consumers
prey
on
primary
consumers,
as
well
as
________
(eat)
other
animal
matter.
【答案】eating
【解析】as
well
as
通常视为介词，后接动词时，常常使用动名词。
9.
In
just
a
journey
______
(collect)
pollen
and
nectar,
one
single
honey
bee
can
pollinate
as
many
as
50
to
100
flowers.
【答案】to
collect
【解析】不定式作后置定语，修饰前面的名词。
10.
Both?patterns?tend
to?exist?by?________
(feed)
on
each
other.
【答案】feeding
III.
选词组并用其适当的形式填空。
be
native
to
feed
on
absorb...
from
break
down
a
combination
of
in
existence
pray
on
transform
...
into
check
out
take
in
1.
According
to
a
study,
butterflies?______________
a?sweet?liquid?produced?by?flowers.
【答案】feed
on
2.
It
is
common
knowledge
that
humans
_________oxygen
and?breathe?out?carbon
dioxide.?
【答案】?take
in
【解析】本语境中
take
in
意为：吸收。
3.
The
worms'
ability?to?break?down?their
everyday?food?also
allows?them
to?________?plastic.
【答案】break?down
【解析】break?down：分解；本句意为：蠕虫分解日常食物的能力也允许他们分解塑料。
4.
The
rule
says
that
guests?should?_________?of
their?rooms?by
noon
if
they
don’t
pay
more
for
accommodation.
【答案】check
out
【解析】check
out:
结账离开；登记退出。
5.
The
lions?in?this?area?___________?deer?and?other?wild?animals
for
food.
【答案】prey
on
【解析】prey
on：捕食；掠夺。
6.
The
red-eared
slider,
a
species
of
freshwater
turtle,
______________
Central
America.
【答案】is
native
to
【解析】be
native
to：原产于；是....某地特有的。
7.
____________________
internal
and
external
factors?caused?the?company?to?close
down.
【答案】A?combination
of?
【解析】a
combination
of
：...结合；
....兼而有之。
8.
The
ancient
china?is?thought
to
be?the
only?one
_____________________?in?the?province.
【答案】?in?existence
【解析】in?existence：现存的，实际存在的
9.
If
we
use
this
new
way
to
boil
meat,
minerals?__________________
animal?foods
more
easily.
【答案】are?absorbed
from
10.
During
the?holiday
season,?the
town?___________________?a?Christmas?wonderland.
【答案】is
transformed
into
【解析】transform...into...
把....转变成为...
IV.
七选五：从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。
China
has
made
great
improvements
in
environmental
protection
during
the
past
seven
years
.1
．Each
species（物种）on
Earth
has
a
role
to
play
in
the
ecosystem.
In
recent
decades,
a
series
of
wildlife-protection
movements
have
been
carried
out
by
the
central
government.
2
．The
giant
panda
and
the
crested
ibis
are
among
these
success
stories.
The
giant
panda
used
to
have
a
population
of
1114
in
the
1970s.
It
now
totals
1864
thanks
to
52
protection
areas.
3
.
By
the
end
of
last
year,
seven
of
the
nine
pandas
released
had
survived
in
the
wild.
4
．
In
1981，only
seven
crested
ibises
were
found
in
Yangxian
county,
Shaanxi
Province.Since
then,
breeding
programs
have
helped
the
population
reach
2000.
China
has
even
sent
crested
ibises
to
Japan
and
South
Korea
in
recent
years,
to
help
with
the
species'
survival.
5
．
Key
projects
will
be
continually
carried
out
to
improve
protection，including
making
the
lists
of
wild
animals
and
plants
under
State
protection，and
also
fighting
against
illegal
wildlife
trade，
which
includes
ivory（象牙）.
A.
As
environmental
damage
has
increased,
signs
of
change
have
appeared
around
the
world.
B.
Another
species
was
once
thought
to
be
extinct.
C.
Scientists
have
worked
to
feed
pandas
and
then
release
them
into
the
wild.
D.
People
call
for
immediate
protection
of
the
remaining
species.
E.
Several
species
in
danger
of
extinction
have
made
impressive
progress
thanks
to
the
methods.
F.
China
will
continue
its
efforts
of
the
wildlife
protection.
G.
Protecting
wildlife
is,
without
doubt,
an
important
part.
【答案】1--5
GECBF
【解析】这是一篇说明文。文章主要介绍了在过去的70年里，中国在环境保护方面取得了很大的进步。保护野生动物无疑是重要的一环节。
1．根据前文China
has
made
great
improvements
in
environmental
protection
during
the
past
70
years.可知，在过去的70年里，中国在环境保护方面取得了很大的进步。再根据后文Each
species
（物种）on
Earth
has
a
role
to
play
in
the
ecosystem.可知，地球上的每一个物种都在生态系统中扮演着重要的角色。由此可知，G项Protecting
wildlife
is，
without
doubt，
an
important
part.（保护野生动物无疑是重要的一环节）切题。故选G。
2．根据前文In
recent
decades，
a
series
of
wildlife-protection
movements
have
been
carried
out
by
the
central
government.可知，近几十年来，中央政府开展了一系列的野生动物保护运动。由此可知，E项Several
species
in
danger
of
extinction
have
made
impressive
progress
thanks
to
the
methods.（一些濒临灭绝的物种由于采取了这些保护措施而取得了令人瞩目的进展）切题。故选E。
3．根据后文By
the
end
of
last
year，
seven
of
the
nine
pandas
released
had
survived
in
the
wild.可知到去年年底，放归的9只大熊猫中有7只在野外存活。由此可知，C项Scientists
have
worked
to
feed
pandas
and
then
release
them
into
the
wild.（科学家们一直致力于喂养大熊猫，然后将它们放归野外）切题。故选C。
4．根据后文In
1981
，
only
seven
crested
ibises
were
found
in
Yangxian
county,
Shaanxi
Province
…
China
has
even
sent
crested
ibises
to
Japan
and
South
Korea
in
recent
years,
to
help
with
the
species'
survival.可知，在1981，在陕西省的洋县，只发现七只凤头鹦鹉.近年来，中国甚至将朱鹮送往日本和韩国，以帮助该物种的生存。由此可知，B项Another
species
was
once
thought
to
be
extinct.（另一个物种曾经被认为已经灭绝）切题。故选B。
5．根据后文Key
projects
will
be
continually
carried
out
to
improve
protection，
including
making
the
lists
of
wild
animals
and
plants
under
State
protection，
and
also
fighting
against
illegal
wildlife
trade,
which
includes
ivory（象牙）.可知，继续实施重点保护工程，包括制定国家保护野生动植物名录，打击包括象牙在内的非法野生动物贸易。由此可知，F项China
will
continue
its
efforts
of
the
wildlife
protection.（中国将继续加强野生动物保护）切题。故选F。
V:
阅读理解。阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选。
One
kind
of
female
butterfly
mates
only
once
in
its
life
--
and
then
closes
its
wings
to
avoid
"harassment"
when
pursued
by
persistent
and
unwanted
males,
a
Japanese
researcher
said.
Observations
of
the
Small
Copper
Butterfly,
a
colourful
orange
and
black
butterfly,
showed
that
some
females
closed
their
wings
when
males
flew
by,
but
only
when
they
were
males
of
their
own
species,
said
Jun-Ya
Ide,
an
associate
professor
at
Kurume
Institute
of
Technology
in
Fukuoka,
western
Japan.
"When
we
looked
into
why,
the
males
were
courting
the
females.
They
do
this
very
stubbornly,
so
the
females
sometimes
try
to
get
away
--
or
prefer
to
stay
unobserved,"
he
added.
Ide
and
his
colleagues
brought
a
model
of
a
male
butterfly
near
the
females
to
test
their
reactions
and
found
that
young
females
that
had
yet
to
mate
kept
their
wings
open,
but
those
that
had
already
mated
closed
them.
Not
only
can
the
persistent
attentions
of
unwanted
suitors
harm
the
delicate
females,
fleeing
from
them
--
with
the
male
often
in
pursuit
--
uses
up
strength
and
can
even
shorten
their
lives,
he
added.
"Closing
their
wings
makes
them
less
visible,
helping
them
avoid
communication
with
their
own
species.
We
figured
they
were
trying
to
avoid
harassment
by
males,"
Ide
said.
1．What
does
the
word
“harassment”
mean
in
the
paragraph？
A．
attack
B．
embarrassment
C．
sexual
invasion
D．
threat
2．Why
some
females
closed
their
wings
when
males
flew
by？
A．
because
they
close
their
wings
to
avoid
"harassment"
when
pursued
by
persistent
and
unwanted
males.
B．
because
the
female
butterfly
mates
only
once
in
its
life.
C．
because
they
don’t
like
the
male
butterfly
at
all.
D．
because
they
are
afraid
of
the
male
butterfly.
3．According
the
the
passage,
which
is
correct?
A．
The
females
closed
their
wings
when
males
flew
by.
B．
Only
the
model
of
a
male
butterfly
can
make
the
young
female
butterflies
to
keep
their
wings
open.
C．
The
female
butterfly
mates
only
once
in
its
life
D．
Not
only
can
the
persistent
attentions
of
wanted
suitors
harm
the
delicate
females,
fleeing
from
them
with
the
male
often
in
pursuit
--
uses
up
strength
and
can
even
shorten
their
lives.
【答案】1.C
2.A
3.
C
【解析】本文是一篇说明文，科学家发现一种雌性蝴蝶一生只交配一次，并且会在交配之后合上翅膀，以此来躲避雄性蝴蝶的追逐。
1．分析推测题。第一句原句One
kind
of
female
butterfly
mates
only
once
in
its
life
--
and
then
closes
its
wings
to
avoid
"harassment"
when
pursued
by
persistent
and
unwanted
males,
a
Japanese
researcher
said.日本一位研究人员称，雌性红灰蝶一生只交配一次，在其它雄性红灰蝶不停地追求它时，它会合上翅膀躲避这种harassment。根据句意，故选C性骚扰。
2．细节题。最后一句"Closing
their
wings
makes
them
less
visible,
helping
them
avoid
communication
with
their
own
species.
We
figured
they
were
trying
to
avoid
harassment
by
males,"“合上翅膀可以让雌蝶不那么显眼，避免与同类红灰蝶的接触。我们认为它们是在躲避雄蝶的性骚扰。”故选A
3．细节题。文中第一句One
kind
of
female
butterfly
mates
only
once
in
its
life
一种雌性蝴蝶一生只交配一次。故选C
VI.
语篇填空
The
red-eared
slider,
a
species
of
freshwater
turtle,
is
native
____1____
the
Southern
United
States
and
Northern
Mexico.
Due
to
its
cute
appearance,
many
people
think
____2____
(keep)
this
turtle
as
a
pet
is
a
good
idea.
Recent
years
have
seen
more
and
more
pet
sliders
escaping
or
____3____
(release)
from
homes,
and
some
owners
believe
it
no
big
issue
to
release
them
into
the
wild.
These
days,
people
____4____
(find)
it
a
threat
to
other
species
to
release
these
turtles
into
the
wild.
Because
of
their
high
survival
rate
high,
when
released
into
the
wild,
they
will
seriously
___5_____
(threat)
the
____6___
(survive)
of
native
wild
tortoises
and
similar
species.
Moreover,
the
red-eared
sliders
take
up
a
large
area
of
space,
____7_____
belongs
to
other
native
wildlife.
Therefore,
those
who
love
to
release
animals
should
be
limited
____8_____
(strict).
Otherwise,
their
kind-hearted
action
will
turn
into
killing
animals.
Experts
consider
owners
keeping
their
____9____
(pet)
in
an
enclosed
area
important,
and
anyone
unable
to
keep
their
pets
should
take
them
to
____10_____
appropriate
animals
shelter.
语篇源自教材，回归教材，强化知识巩固，突出能力应用。
1
to
2
keeping
3
being
released
4
have
found
5
threaten
6
survival
7
which
8
strictly
9
pets
10
an
