本资料来自于资源最齐全的２１世纪教育网www.21cnjy.com
话题十三：Nature（自然）
第三课时
8BModule3+9A
Module
1
前置性复习学案
时间：________________
★Step
1
自主复习，查漏补缺。
一、请根据提示完成本课时重点单词积累。
8BModule3
1.
earth
(n.)
____________
2.
moon
(n.)
__________
(月饼)
_____________2·1·c·n·j·y
3.
spaceship
(n.)
_______________
4.
project
(n.)
________________【来源：21cnj
y.co
m】
5.
astronaut
(n.)
_________6.
environment(n.)
________(adj.)
________
7.
universe
(n.)
_________
8.
新闻，消息(n.)
_________
9.
到达
(v.)
____________（过去式，过去分词）_________
__________
10.
可能的(adj.)
________（反义词）________（副词）________
11.
联系，交流
(v.)
__________（过去式，过去分词）_________
__________
12.
光，光线
(n.)
_________(adj.)
________13.
planet
(n.)
_________
14.
刚刚，刚才(adv.)
_________
15.
还，已经
(adv.)
_________
16.
最近的，最新的
(adj.)
_______迟的(adj.)
_____________
17.
发现(v.)
_________
覆盖(v.)
_________
18.没有一个
(pron.)_______
19.环境(n.)
_______________
(adj.)
____________
20.
可能的
(adj.)
________不可能的(adj.)
__________
(adv.)
__________
21世纪教育网版权所有
21.外出
(adv.)
__________
22.
group
(n.)
_________
9AMudule1
1.自然的(adj.)
________
(n.)
_______2.奇迹
(n.)
________(adj.)
_________
3.讨论
(v.)
________
(n.)
讨论_________
4.虽然，尽管(conj.)
_________
5.看法，主张
(n.)
_________
6.照耀
(v.)
________
(过去式，过去分词)
___________
__________
7.寂静的，沉默的(adj.)
___________
(n.)
________
8.回答，答复
(v.)
________
(过去式，过去分词)
__________
__________
9.开始消失
(v.)
________
(过去式，过去分词)
_________
__________
10.将近，几乎
(adv.)
________
附近的__________
11.
逗留，留下
(v.)
________
(过去式，过去分词)
___________
__________
12.
canyon
(n.)
________
13.
stream
(n.)
_________14.
天空
(n.)
_________
15.
beside
(prep.)
_______
16.
灰色的，阴沉的(adj.)
___________
17.
silver
(n.)
________(adj.)
___________18.
below
(prep.)
_______
19.
electricity
(n.)
__________
(adj.)
____________
【版权所有：21教育】
20.
响亮的
(adj.)
____________(adv.)
________[来源:学
科
网]
二．
请根据提示完成本课时重点短语积累。
1.加入
__________________
2.确信
_____________________
3.同意
_______________
4.在…东海岸_________________
5.据某人看来
______________
6.人造的奇观
__________________
7.从…出来_________________
8.仔细检查，看过去
________________
21教育网
9.
没问题
_________________
10.
眺望_____________________
11.
在…顶部，盖住___________
12.
多于，超过
_________________[]
13.
回答，答复
_______________14.
他们中没有一个_____________
15.
数百万的
_________________16.
在太空
___________________
17.
与某人交流_______________18.
搜索信息
____________________
19.
最新的消息_____________
20
去过，到过
____________________
21.
远离
________________
22.
穿过
____________________
★Step
2
话题基本句型回顾。
根据语境或所给中文完成句子，每空一词。
●（山川与河流）
1.-________
_________
is
Mount
Qomolangma
-It's
8,844,43
meters
high.
It's
________than
any
other
mountain.
2.-Let's
join
in
the
____________
(讨论)
about
the
wonders
of
the
world.
In
my
opinion,
n________
wonders
are
more
exciting
than
________（人造的）ones.21·cn·jy·com
-I
________(同意
)
with
you.
I
think
the
Giant's
Causeway
is
the
most
f_____
natural
wonder.【来源：21·世纪·教育·网】
-
Have
you
been
to
the
Giant's
Causeway
yet
-
Yes,
I
have.
I
v_______
it
two
years
ago.
It’s
_______（巨大的）．It
r_____
21·世纪
教育网
for
several
hundred
metres
on
the
eastern
coast
of
Northern
Ireland.
-That
s_________
great.
I
think
Victoria
Falls
in
Africa
is
even
more
fantastic.2-1-c-n-j-y
It's
about
l,700
metres
_______(宽)
and
100
metres
______(高
).
You
can
hear
the
noise
a
few
kilometers
_________（远）．[]
3.-To
some
d__________,
man-made
wonders
are
wonderful.
Look
at
the
Three
Gorges
Dam.
It
is
used
for
producing
__________(电
)
for
millions
of
people
in
China.21
cnjy
com
-I've
never
s__________
it,
but
I'm
really
______
_______
_______（盼望）visiting
it.21
cnjy
com
4.
The
Amazon
is
________
________
________
_________（第二长的河流）
in
the
world.
5.
The
Yangtze
River
is
almost
________
________
_______（与……一样长）the
Amazon
River.
6.There
are
__________(不同的
)
kinds
of
weather
in
the
same
country.
It's
good
for
us
to
go
sightseeing
on
________（顶部）of
the
mountain.
●Universe（宇宙）
-Have
astronauts
_________（发现）
life
on
Mras
-No，________
_________.
No
one
has
been
to
Mars
________（还）because
Mars
is
very
far
away,
much
_________
(远)
than
the
moon.
But
scientists
have
________（已经）
sent
spaceships
to
the
planet
Mars
_____________
(take)
photos.
-Do
scientists
think
that
there
has
been
life
on
the
________(地球)
for
hundreds
of
millions
of
years
www-2-1-cnjy-com
-Yes,
they
do.
But
no
spaceship
has
travelled
far
enough
__________(reach)
other
stars
in
our
Galaxy.
★Step
3
话题语法回顾
用所给动词的适当形式填空：
1．I
________(write)
to
you
as
soon
as
I
_______(get)
to
London.
2.
He
doesn't
feel
well
and
____________(not
eat)
any
food
.
3.
He
______
not
_______(see)
me
come
in,
for
he
___________(read)
something
with
great
interest.21教育名师原创作品
4.
While
we
_____________
(wait)
for
our
teacher,
a
little
boy
_______
(run)
up
to
us.
5.
Don't
make
a
noise.
Grandpa
__________(sleep).
[]
6.
It's
seven
now,
Tom's
family__________(watch)
TV.
7.
It
________(take)
me
two
hours
to
finish
my
homework
last
night.
8.
What
______
your
mother
_______(do)
at
eight
yesterday
evening
She
_______(wash)
clothes.
9.
What
_______(do)
_______
tomorrow
We
________
(play)
football.
10.
There
________
(be)
a
football
match
on
TV
this
evening.
11.
They
said
they
________
(visit)
the
Great
Wall
the
next
summer
holiday.
12.
The
teacher
told
us
the
earth
__________
(move)
round
the
sun.
13.
I
don't
know
if
Mr.
Wang
______
(go)
to
Shanghai
tomorrow.
If
he
_____
(go),
I
______
(ask)
him
_______
(take)
some
books
to
my
daughter,
because
she
_______
(study)
there.
14.
-How
long
________
you
_______
(borrow)
this
book
-Since
two
weeks
ago.
★Step
4
话题词汇运用。
1.
We
are
having
a
_______
(
discuss)
about
how
to
protect
animals
in
danger,
but
they
_________
(discuss)
about
how
to
protect
the
environment
at
the
moment.
2.
We
can
make
use
of
________
(nature)
resources
while
struggling
against
______
(nature).
3.
There
are
many
_________
(wonder)
in
the
world.
We
can
learn
about
some
______
(wonder)
stories
from
them.
6.
China
is
in
the
_________
(east)
of
Asia.
Zhejiang
is
in
______
(east)
China.
4.
Today
I
was
_______
(late)
for
school.
So
I
didn't
hear
the
______(late)
news
about
space
travel
that
Mr.
Li
told
us
in
class.
________
(late)
,
I
asked
him
to
tell
me
about
it
again.www.21-cn-jy.com
5.
Could
you
________
(possible)
reach
the
top
of
the
highest
mountain
in
the
world
It
isn’t
_______(possible)
for
people
who
have
strong
wills
to
climb
it.
If
there
is
time
and
energy,
I
think
it
will
be
______(possible)
for
us
to
visit
the
wonders
of
the
world.
根据短文内容、首字母和所给中文提示填空：
Have
you
ever
been
to
the
mountains
Climbing
the
mountains
is
really
wonderful.21cnjy.com
When
we
walk
on
the
mountain,
we
can
enjoy
the
green
trees,
and________（野生的）flowers
and
_______(草)
.
We
can
also
__________【出处：21教育名师】
(注意)
clear
streams.
Sometimes
we
can
play
with
water
near
the
stream.
When
there
are
some
clouds,
we
can't
see
the
_________
(天空)
clearly
on
the
mountain.
When
the
sun
_________
(照射)
brightly,
we
can
walk
along
the
road
among
the
tall
trees
to
enjoy
the
environment
in
_______(宁静).
Sometimes
we
can
see
some
animals
on
the
mountains,
such
as
monkeys,
birds
and
________(蛇
)
.
When
someone
sees
a
snake
________（独自地），he
or
she
often
makes
a
________（响亮的）sound
and
runs
away.
No
one
can
walk
_________(在……旁边)
it.
When
the
night
falls,
we
can't
go
through
the
trees
on
the
mountain
___________
(尽管)
the
moon
rises
and
there
is
enough
__________(光线).
At
this
time,
the
situation
is
so
terrible
that
we
can't
protect
ourselves.
We
can
enjoy
everything
in
the
_________(宇宙
)
if
we
put
our
heart
into
nature
in
a
safe
condition.
★必会单词及短语
1.
新闻，消息(n.)
_________
2.
到达
(v.)
____________（过去式，过去分词）_________
__________
3.
可能的(adj.)
________（反义词）________（副词）________
4.
讨论
(v.)
________
(n.)
讨论_________
5.
回答，答复
(v.)
________
(过去式，过去分词)
__________
__________
6.
据某人看来
______________
7.
没问题
_________________
8.
数百万的
__________________
9.
去过，到过
__________________
10.
远离
________________
请记录你在自主复习过程中出错的题目或遇到的困惑。
21世纪教育网
--
中国最大型、最专业的中小学教育资源门户网站。
版权所有@21世纪教育网本资料来自于资源最齐全的２１世纪教育网www.21cnjy.com
话题十三：Nature（自然）
第二课时
8A
Module
6
前置性复习学案
时间：________________
★Step
1
自主复习，查漏补缺。
[]
★Step
1
自主复习，查漏补缺。[]
请根据提示完成本课时重点单词积累。
1.
薄的(adj.)
_________
(adj.)
（反义词）__________
2.允许(v.)
__________
3.
令人感兴趣的(adj.)
_____________
(adj.)
感兴趣的_______________
4.
标志
(n.)
_________
5.
保护
(v.)____________
(n.)
______________
6.
野外的，野生的(adj.)
______________
在野外______________________
7.
种植，生长
(v.)
_______（过去式，过去分词）_________
__________
8.
足够的
(adj.)
________
9.和平，安宁
(n.)
________(adj.)
_________
10.发展(v.)
________(n.)
______________
11.筹集
(v.)
____________
（过去式，过去分词）_________
__________
12.科学家(n.)
________
(n.)
科学________13.生育，繁殖
(v.)
__________
14.
government
(n.)
_______
15.大自然，自然界
(n.)
______(adj.)
________
16.喂，喂养
(v.)
_________（过去式，过去分词）__________
___________
17.
neck
(n.)
___________________
18.
snake
(n.)
________________
19.
danger
(n.)
_______
(adj.)
____________（反义词）______________
20.
research
(n.)
____________
21
situation
(n.)
____________
22.
西南的，西南(n.)
(adj.)
_________
二．
请根据提示完成本课时重点短语积累。
1.
最后，终于____________
2.
对…感兴趣
______________
3.
允许某人做某事_________4.
处于危险中
______________
5拿走，带走
__________
6.
和平地，平静地
___________
7.
照顾，照管_____________
8.
筹集资金
_________________
9.
...的象征_______________
10挑选某人去做某事__________________
11.
尽可能多的
_______________
12.
在野外
___________________
13.
做研究
________________
14.为了_______________________
15.开办，建立，设立
______________
16.
想到，想出
________________
17.
自然公园
____________________
21世纪教育网版权所有
★Step
2
话题基本句型回顾。
1.
-_______
do
you
visit
the
zoo
-Because
they
are
in
d________.
It’s
sad
_______
(think)
of
pandas.[]21教育网
-Do
you
think
animals
are
happy
in
the
zoo
-No.
Many
wild
animals
don’t
have
a
s_______
place
to
live,
because
villagers
and
farms
are
growing
bigger
and
are
_________
away
their
land.2·1·c·n·j·y
3.
-Is
there
any
clean
water
-No,
there
isn’t
_______
clean
water.
4.
-What
can
we
do
to
help
the
animals
-We
can
_______
money
to
protect
them.
We
all
need
to
help
them
live
in
_______.
★Step
3
话题语法回顾。[]
用动词的正确形式填空来描述保护自然的行为活动
A组
（tell,
live,
have,
see,
take,
travel,
be,
call，）
In
northern
Scotland
there
is
a
long,
deep
lake
________
Loch
Ness.
More
than
200
meters
deep,
it
is
the
largest
lake
in
the
UK.
People
say
a
big
monster（怪兽）_________
in
its
dark,
cold
waters.
It
weighs
more
than
1,000
kilos
and
is
at
least
ten
meters
long.
Some
people
say
it
______
a
heard
like
a
horse.
Others
say
it
looks
like
a
snake.
Many
people
________
to
Loch
Ness
to
look
for
this
strange
monster,
but
only
a
few
people
have
seen
it.
At
least,
they
say
they
have
________
it.
The
Loch
Ness
Monster
is
a
famous
legend（传说）.
The
first
story
about
a
monster
in
Loch
Ness
was
________over
500
years
ago,
but
the
legend
of
the
monster
spread
widely
only
in
the
twenties
century.
In
1933,
a
husband
and
wife
reported
that
they
saw
a
big
monster
in
Loch
Ness.
Several
people
have
______
photos,
but
at
least
one
of
them
was
a
hoax（骗局）.
During
the
1960s,
a
team
was
formed
to
look
for
the
monster.
They
took
many
photos
and
made
movies,
but
they
were
never
able
to
find
a
monster.
There
is
no
real
fact
that
a
monster
lives
in
Loch
Ness,
but
there
_______
also
no
fact
that
one
doesn’t
live.
One
thing
is
true
about
Loch
Ness:
there
are
a
lot
of
tourists
there.
B组21·世纪
教育网
1.
My
mother
often
tells
me
not
______
(feed)
animals
in
the
zoo
because
it's
dangerous.
2-1-c-n-j-y
2.
Scientists
make
us
______(know)
something
about
solar
system
with
the
help
of
their
research.21
cnjy
com
3.
We
raise
money______
(help)
protect
wild
animals
in
our
country.
4.
Astronauts
have
already
sent
spaceships
to
Mars
______(search)
for
information
about
it.【来源：21cnj
y.co
m】
5.
The
Wolong
Panda
Reserve
allows
people______
(get)
closer
to
pandas.【出处：21教育名师】
6.
We
need
_____
(build)
a
safe
place
for
some
wild
animals
to
live
so
that
they
can
keep
away
from
danger.【版权所有：21教育】
★Step
4
话题词汇运用。
（一）用所给词的适当形式填空。[]
1.
Children
are
______
(interest)
in
pandas
because
they
are
______(interest).21cnjy.com
2.
We
should
try
our
best
______
(develop)
plans
to
help
animals
with
the
_______
(develop)
of
technology
and
economy.【来源：21·世纪·教育·网】
3.
I
noticed
Mike
_______(sit)
on
the
chair
and
_____
(feed)
his
pet.
（二）用方框中所给单词的适当形式填空。每词限用一次。
(
set,
enough,
feed,
southwest,
produce)
1.
My
sister
often
______
her
pet
dog
twice
a
day.www-2-1-cnjy-com
2.
Panda
live
in
_______
China.
3.
Nowadays
animals
don’t
have
a
safe
place
to
live
without
_____
land
or
forests.www.21-cn-jy.com
4.
Let’s
help
pandas
______
more
babies
and
help
baby
pandas
live.
5.
The
government
______
up
more
space
stations
to
do
the
research
of
the
universe
right
now.21·cn·jy·com
★必会单词及短语
1.
保护
(v.)____________
(n.)
______________
2.
种植，生长
(v.)
_______（过去式，过去分词）_________
__________
3.
筹集
(v.)
____________
（过去式，过去分词）_________
__________
4.
danger
(n.)
_______
(adj.)
____________（反义词）______________
5.
足够的
(adj.)
________
6.
想到，想出
________________
7.
对…感兴趣
______________
8.
最后，终于_________________9.
处于危险中
______________
10.
为了________________________
请记录你在自主复习过程中出错的题目或遇到的困惑。
21世纪教育网
--
中国最大型、最专业的中小学教育资源门户网站。
版权所有@21世纪教育网本资料来自于资源最齐全的２１世纪教育网www.21cnjy.com
话题十三：Nature（自然）
第三课时
8BModule3+9A
Module
1
高效学案
时间：________________
★Step
1.
话题重点语法突破
选词并用其正确的形式填空：
(
huge,
sigh,
other,
silver,
wonder,
silence,
through,
get,
remain,
below)
The
Grand
Canyon
is
one
of
the
greatest
________
of
the
world.
In
the
dark
there
is
no
________
of
the
Grand
canyon,
and
it
is
_________.
But
if
you
__________
by
the
Grand
canyon
as
the
sky
________
brighter
and
look
down
about
mile,
you
can
see
the
Colorado
River
__________
you.
It
looks
like
a
___________
stream
as
it
passes
___________
the
rocks
at
the
bottom
of
the
canyon.
If
you
look
across
to
the
_______
side
of
the
canyon,
it
is
about
15
miles
away.
The
Grand
canyon
is
not
just
big.
It
is
__________.
★Step2.
话题微阅读指导
A
In
northern
Scotland
there
is
a
long,
deep
lake
called
Loch
Ness.
More
than
200
meters
deep,
it
is
the
largest
lake
in
the
UK.
People
say
a
big
monster
（怪兽）
lives
in
its
dark,
cold
waters.
It
weighs
more
than
l,0002·1·c·n·j·y
kilos
and
is
at
least
ten
meters
long.
Some
people
say
it
has
a
head
like
a
horse.
Others
say
it
looks
like
a
snake.
Many
people
travel
to
Loch
Ness
to
look
for
this
strange
monster,
but
only
a
few
people
have
seen
it.
At
least,
they
say
they
have
seen
it.
(
)
1.
In
northern
_________
there
is
a
long,
deep
lake
called
Loch
Ness.21世纪教育网
A.
Scotland
B.
Hong
Kong
C.
Rome
D.
Paris
(
)
2.
Which
of
the
following
is
TRUE
about
the
monster
in
Loch
Ness
A.
It
weighs
about
100
kilos.
B.
It
is
one
meter
long.
C.
It
has
a
tail
like
a
horse.
D.
It
looks
like
a
snake
B
One
day
a
farmer's
donkey
fell
into
an
unwanted
well.
The
animal
cried
for
hours
as
the
farmer
tried
to
find
out
what
to
do.
Finally
he
decided
it
just
wasn't
worth
saving
because
the
animal
was
too
old
and
the
well
needed
to
be
covered
up
anyway.21世纪教育网21世纪教育网版权所有
(
)1.
From
the
underlined
sentence,
we
may
know
the
farmer
decided
to
_________
the
donkey.21教育网
A.
save
B.
bury
C.
look
for
D.
help
(
)2．画线部分长句理解：这句话的主语是___________，谓语是
__________________,
because
引导的是__________从句.
整体可以理解为：_____________________________.
★Step
3
话题阅读训练。
2014年福州市中考英语试题
National
parks
are
large
of
areas
of
public
land
.
They
give
a
safe
home
for
local
plants
and
animals
.
They
help
keep
the
air
and
water
clean
.
They
also
give
us
the
best
trips
.
Today
,there
are
nearly
7，000
national
parks
around
the
world
.
Forbes
has
listed
12
of
the
most
beautiful
ones
in
the
world
that
will
surprise
you
with
their
amazing
sights
,geographic
wonders
and
colorful
plants
and
animals
.
The
Grand
Canyon
National
Park
of
the
US
is
one
of
the
Seven
Natural
Wonders
of
the
World
.
It
is
best
known
for
its
size
and
depth
.
It
is
446
kilometers
long
,
up
to
29
kilometers
wide
,
and
1.
6
kilometers
deep
.
The
immensity
of
the
canyon
makes
people
think
big
.
Every
year
,
about
5
million
people
visit
here
.
Taking
a
tour
in
the
South
Rim
offers
visitors
the
park’s
full
views,
while
the
North
Rim
shows
beautiful
wild
flowers
.
If
you
love
animals
,you’ll
like
the
Serengeti
National
Park
in
Tanzania
.
The
“Big
Five
”live
here
.
They
are
the
lion
,
African
elephant
,
African
leopard（豹子）
,
black
rhinoceros（朝天犀牛）
and
African
buffalo
（水牛）.
The
name
“Big
Five
”came
from
the
five
animals
that
were
the
hardest
to
catch
.
Now
they
are
what
people
most
want
to
see
in
the
wild
.
If
you
visit
the
park
,
you
should
never
miss
the
migration（移居）of
over
1.
5
million
wildebeests（角马）
and
250，000
zebras
every
year.
This
is
the
most
famous
site
of
the
park
.
61.Which
is
NOT
right
about
national
parks
according
to
Paragraph
1
A.
A
national
park
is
public
land
that
covers
a
large
area.
B.
Wild
plants
and
animals
are
protected
in
national
parks.
C.
Forbes
has
listed
twelve
of
the
world’s
largest
national
parks.
D.
National
parks
are
attractive
because
of
their
natural
beauty.
62.The
underlined
word
“immensity”
refers
to_______.
A.
great
size
B.
natural
wonder
C.
colorful
view
D.
unusual
beauty
63.______kinds
of
animals
are
mentioned
in
the
passage.
A.
Five
B.
Six
C.
Seven
D.
Eight
64.The
best
title
for
the
passage
may
be
“_______”.
A.
Taking
a
tour
in
the
Grand
Canyon
21·cn·jy·com
B.
Travelling
to
the
Serengeti
National
Park
C.
Seven
National
Wonders
of
the
World
www.21-cn-jy.com
D.
Stepping
into
the
wonders
of
the
wildlife
65.If
the
writer
continues
the
article
,he
would
most
likely
write
about
_______.
A.
ways
to
keep
the
air
and
water
clean
21世纪教育网21·世纪
教育网
B.
more
national
parks
in
the
world
C.
his
wonderful
trip
to
the
Grand
Canyon
www-2-1-cnjy-com
D.
famous
historic
wonders
in
Africa
2014潍坊
Researchers
have
discovered
the
first
Earth-sized
planet.
It
was
first
marked
by
scientists
using
NASA’s
Kepler
telescope
(望远镜)
，so
it’s
called
Kepler-186f.
It
lies
about
500
light
years
from
the
Earth
and
goes
around
its
star.
The
planet
is
the
right
distance
from
its
star
for
water：
not
too
close
and
not
too
far.
Water
is
one
important
condition
that
scientists
guess
is
necessary
for
life.
So
it
could
have
water
and
possible
life.
It’s
called
a
true
Earth
cousin.
“This
planet
is
an
Earth
cousin,
not
an
Earth
twin
,”
said
Barclay,
who
is
among
a
team
of
scientists
reporting
on
the
discovery
in
the
magazine
Science
this
week.2-1-c-n-j-y
“It’s
very
exciting
to
find
a
planet
similar
to
the
Earth”,
Barclay
said.“It’s
not
easy
to
work
because
things
change
as
we
get
more
measurements.(测量法)
”【来源：21·世纪·教育·网】
Scientists
don't
know
anything
about
the
air
of
Kepler-186f,
but
it
will
be
a
task
for
future
telescopes
that
can
study
for
chemicals
that
have
something
to
do
with
life.21世纪教育网21
cnjy
com
“It’s
possible
for
life
to
live
on
this
planet,
but
that
doesn’t
mean
there
is
life
on
it
,”
Barclay
said.【来源：21cnj
y.co
m】
So
far,
scientists
have
found
nearly
1
,800
planets
in
the
universe.
“The
past
year
has
seen
a
lot
of
progress
in
the
search
for
Earthlike
planets.
Kepler-186f
is
very
important
because
it
is
the
first
planet
that
is
the
same
temperature
and
is
almost
the
same
size
as
the
Earth
does,”
scientist
David
Charbonneau
wrote
in
an
email.21cnjy.com
(
)
1.
Researchers
have
already
found
about
________
planets
now.
A.
500
B.
186
C.
1,800
D.
3,008
(
)
2.
Which
of
the
following
about
Kepler-186f
is
NOT
true
according
to
the
passage 【出处：21教育名师】
A.
It
could
have
water
and
is
possible
for
life
to
live
on,
so
there
is
life
on
it.【版权所有：21教育】
B.
It’s
almost
as
hot
as
and
as
large
as
the
Earth.21教育名师原创作品
C.
In
the
future,
scientists
will
study
the
air
of
it
by
telescope.21世纪教育网
D.
It’s
an
Earth-like
planet.
(
)
3.
We
can
probably
read
this
article
in
____________________.
A.
a
storybook
B.
a
newspaper
C.
a
textbook
D.
a
sports
magazine
(
)
4.
What
is
the
best
title
for
the
passage
A.
Space
research
B.
Journey
to
space
C.
Is
there
possible
life
on
Kepler-186f
D.
Scientists
discover
a
most
Earth-like
planet
21世纪教育网
--
中国最大型、最专业的中小学教育资源门户网站。
版权所有@21世纪教育网本资料来自于资源最齐全的２１世纪教育网www.21cnjy.com
话题十三：Nature（自然）
第一课时
7A
Module
6
前置性复习学案
时间：________________
★Step
1
自主复习，查漏补缺。
[]
请根据提示完成本课时重点单词积累:
重点词汇拓展：
1.熊
(n.)
________（翻译）
2.国家
(n.)
________
(复数)
________
3.
植物
(n.)
______________
4.
动物(n.)
____________________
5.
可爱的
(adj.)
_________
6.有趣的(adj.)
________(同义词)
_________
7.树叶，叶子(n.)
________
(复数)
___________
8.导游
(n.)
________
9.大的,巨大的
(adj.)
______
(比较级和最高级)
________
________
10.
通常，常常(adv.)
______
11.独自
(adv.)
_______
12.强壮的
(adj.)
_________
(adj.)
（反义词）虚弱的_________
13.
抓住
(v.)__________(过去式以及过去分词)
________
_________
14.
Europe
(n.)
________
(adj.)
_________
15.
even
(adv.)
___________
21cnjy.com
16.危险的(adj.)
___________(n.)
________
（反义词）(adj.)
_________21·cn·jy·com
17.
人，人们(n.)
________
18.
Africa
(n.)
________(adj.)
_________
19.
Asia
(n.)
________(adj.)
_________
20.
千克，公斤(n.)
________
21.little
(adj.)
_________(比较级和最高级)
__________
____________
22.
call
(v.)__________
23.
哪一个(pron.)
________________
24.
竹子(n.)
________
25.
不同的(adj.)
___________(n.)
________
26.
其他的(adj.)
___________
27.
的确，当然(adv.)
___________
28.
猴子(n.)
________(复数)
________
29.
giraffe
(n.)
________
30.
lion
(n.)
________
重点短语检测：
1.
许多种类的
______________
2.
例如，比如
__________________
2·1·c·n·j·y
3.
在…前面
________________
4.
一个名叫北京的城市____________
5.
并且，和
________________
6.
全世界
____________________
[]21·世纪
教育网
7.
一点
_________________
8.
擅长
______________________www-2-1-cnjy-com
9.
在那边____________________
10.来自___________________
11.
看__________________________12.
黑白相间
___________________2-1-c-n-j-y
★Step
2
话题基本句型回顾。
根据语境或所给中文完成句子，每空一词。
●
Animals
and
plants（动物和植物）[]
1.
-Welcome
to
the
zoo.
There
are
many
kinds
of
animals
here.
-________
are
lions
from
-They
are
from
South
Africa.
-________
they
_______（吃）meat
-Yes,
they
do.
They
eat
other
animals.
They
are
dangerous.
2.
-Look
at
the
pandas.
They're
my
______________（最喜欢的）animals.
-________
do
you
like
pandas
-Because
they're
cute.
Do
they
eat
fruit
-No，_______
_______.
They
love
b_______.
The
panda
eats
about
30
kilos
of
bamboo
a
day
_______
________
________（并且；还）other
plants.21
cnjy
com
3．-_________the
elephant
__________（居住）in
Africa
-Yes,
_______
________.
-What
________
the
elephant
eat
-It
eats
p_________
and
a
little
fruit,
but
it
_______
________(not
eat)
meat.
It
l
________water.
www.21-cn-jy.com
4.
-________
_______
kinds
of
monkeys
are
there
in
the
world
-There
are
about
200
kinds
of
monkeys.
They
eat
meat,
_____（叶子），fruit
and
____（甚至）eggs!
They
live
in
many
countries
all
over
the（世界），but
not
in
_________（欧洲）.[]【来源：21cnj
y.co
m】
5.
-It's
sad
________(想
)
of
pandas
and
other
animals
in
danger.
What
can
we
do 【出处：21教育名师】
-We
can
help
raise
money
_______
_______
________
(
为了)
protect
pandas
and
other
wild
animals.【版权所有：21教育】
★Step
3
话题语法回顾（一般现在时）
用所给词的正确形式填空：
A组
(
be,
work,
depend,
start,
have,
succeed,
encourage,)
As
one
of
the
most
popular
stars,
Jackie
Chan
thinks
his
way
to
success
______
nothing
to
do
with
luck.
Instead
,
dreams
and
confidence
______
the
most
important.
At
the
age
of
17,
he
________
to
do
stunts
(特技)
which
are
not
safe
as
a
small
character
in
films.
At
times,
he
kept
busy
________
for
19
hours,
but
he
didn’t
lose
heart.
At
last
he
_________
in
acting
in
his
thirties.
His
action
films
made
him
popular
in
Hollywood,
Washington
D.C.
and
some
other
places
of
that
country.
As
a
positive
philanthropist
(慈善家),
he
is
very
famous.
He
focuses
on
public
service,
many
people
are
__________by
his
spirit
,
a
large
number
of
people
help
others
like
him
.
Though
he
is
sixty
,
he
still
works
hard
in
many
other
fields.
As
the
words
in
his
song,
“a
true
man
________on
nobody”,
he
never
gives
up.21教育网
B组
1.
Look!
Mice
___________
(run)
towards
the
hole
to
hide
themselves.
2.
Tigers
always
__________(catch)
many
kinds
of
animals
for
food.
3.
The
kangaroo
________
(eat)
grass
and
leaves,
but
it
doesn’t
eat
meat.
4.
When
I
arrived
at
the
zoo,
some
people
_______(take)
photos
of
some
animals.21教育名师原创作品
5.
I
_______
(be)
to
the
Yellow
Mountain.
I
_______
(visit)
it
last
summer
holiday.21
cnjy
com
6.
The
astronaut
_______
(go)
to
the
space
station.
He
______
(come)
back
tomorrow.
★Step
4
话题词汇运用。
用所给词的适当形式填空。[]
1.
These
animals
come
from
many
_________
(different)
countries
and
they
have
_________
(different)
from
each
other.
2.
Although
tigers
are
one
of
the
____________
(danger)
animals,
we
shouldn't
over
hunt
them,
because
some
kinds
of
tigers
are
in
________
(danger).21世纪教育网版权所有
3.
Children
are
_________
(interest)
in
pandas
because
they
are
___________
(interest)
.【来源：21·世纪·教育·网】
4.
The
elephant
comes
from
_______(Asia),
It’s
an
______(Asia)
elephant.
★必会单词及短语
1.
树叶，叶子(n.)
________
(复数)
___________
2.
抓住
(v.)__________(过去式以及过去分词)
________
_________
3.
危险的(adj.)
___________(n.)
________
（反义词）(adj.)
_________
4.
little
(adj.)
_________(比较级和最高级)
__________
____________
5.
人，人们(n.)
________
6.
在…前面
____________
7.
一个名叫北京的城市_______________
8.
一点
_______________
9.
擅长
___________________
10.
并且，和
________________
请记录你在自主复习过程中出错的题目或遇到的困惑。
21世纪教育网
--
中国最大型、最专业的中小学教育资源门户网站。
版权所有@21世纪教育网本资料来自于资源最齐全的２１世纪教育网www.21cnjy.com
话题十三：Nature（自然）
第一课时
7A
Module
6
高效学案21世纪教育网
时间：________________
★Step
1.
话题重点语法突破21世纪教育网21世纪教育网
用所给词的正确形式填空：
A组
（catch,
baby,
help,
live,
everyday,
work,
be,
see,）
North
American
back
bears
are
shy
animals.
They
are
fearful
by
nature,
and
will
usually
run
away
if
they
_____
or
hear
people.
Because
of
this,
it
can
be
difficult
for
scientists
to
learn
about
these
animals.
In
order
to
study
black
bears,
researchers
from
New
Jersey,
USA,
___
bears
and
use
drugs
to
help
them
go
to
sleep.
Researchers
then
_____
out
the
size
and
the
weight
of
the
bear,
take
blood
to
test
for
diseases,
remove
a
tooth
and
take
it
to
the
lab
to
find
out
its
age.
From
these
studies,
researchers
want
to
find
out
how
many
bears
______
in
New
Jersey,
how
long
they
live,
and
how
many
______
they
produce.
But
in
Minnesota,
USA,
researchers
study
bears
that
______
completely
awake.
The
bears
know
the
researchers’
voices
and
they
are
not
afraid
of
the
research
team.
With
the
______
of
a
few
grapes
to
keep
the
bears
busy,
researchers
can
touch
them
to
check
their
hearts,
look
at
their
teeth,
and
do
other
jobs.
Researchers
can
also
walk
or
sit
with
bears
for
hours
and
make
videos
to
learn
about
their
________
lives.
In
both
places,
the
main
purpose
is
the
same—to
make
sure
there
is
a
healthy
population
of
black
bears.
But
the
research
methods
and
the
kinds
of
information
that
researchers
are
able
to
collect
arc
quite
different.21世纪教育网版权所有
B组
The
zoo
______
(have)
many
animals.
The
animals
______
(have)
different
characters.
The
camel
______
(live)
in
the
deserts
of
Africa
and
Asia
and
_______
(eat)
grass.
Some
people
think
it
_______
(carry)
water
in
the
humps
on
its
back,
but
it
is
not
true.
The
kangaroo
______
(come)
from
Australia.
It
eats
grass,
but
it
________
(not
eat)
meat.
It
carries
its
______
(baby)
in
a
pocket.
With
its
strong
tail
and
back
legs,
the
kangaroo
_____
(jump)
across
the
grassland.
21教育网
★Step
2
话题完形阅读训练
People
can
find
bears
in
many
places
in
the
world.
They
have
large
bodies
and
thick
legs,
but
21._______
tails.
Bears
are
not
real
meat-eaters
because
they
almost
eat
22._________.
Bears
are
not
so
dangerous
23._______
people
think
them
to
be.
Bears
are
very
brave.
Many
24.________
were
killed
by
bears
when
they
wanted
to
kill
bears.
Bears
have
very
good
smell
but
very
poor
25.________.
So
they
usually
find
something
with
their
noses,
not
with
their
eyes.
They
live
mainly
on
root（根）,
fish
and
small
insects（昆虫）.
Sometimes
they
kill
deer
and
26.______
animals.
In
fact,
they
like
27.________
animals
better
like
rabbits.
Adult
bears
are
28._______
than
most
other
animals
because
they
can
think
of
something.
Have
you
seen
how
29.______
they
beg
for（讨要）sweets
and
food
in
the
zoo
They
are
our
friends
30._______
we
should
try
our
best
to
protect
them.
21.
A.
short
B.
long
C.
big
D.
beautiful
22.
A.
something
B.
nothing
C.
everything
D.
some
things
23.
A.
so
B.
as
C.
than
D.
for
24.
A.
children
B.
students
C.
pupils
D.
hunters
25.
A.
hearing
B.
eyesight
C.
eyes
D.
ears
26.
A.
another
B.
the
other
C.
other
D.
others
27.
A.
small
B.
big
C.
fat
D.
large
28.
A.
more
friendly
B.
prettier
C.
cleverer
D.
not
cleverer
29.
A.
clever
B.
sad
C.
cleverly
D.
sadly
30.
A.
because
B.
but
C.
or
D.
so21cnjy.com
(2014 河南)（A组）
Once
there
was
a
man
traveling
in
a
faraway
village.
As
he
was
passing
the
elephants，he
suddenly
stopped.
He
found
that
these
huge
elephants
were
being
held
by
only
a
small
rope
tied
to
their
front
leg.
No
chains(锁链)，no
cages.
It
was
clear
that
the
elephants
could，at
any
time，break
away
from
their
ropes
but
for
some
reason，they
did
not.
He
saw
a
trainer
nearby
and
asked
why
these
animals
just
stood
there
and
didn’t
try
to
get
away.
“Well，”
the
trainer
said，“when
they
are
very
young
and
much
smaller
we
use
the
same
size
rope
to
tie
them
and，at
that
age，it’s
enough
to
hold
them.
As
they
grow
up，they
still
believe
they
can
not
break
away.
They
believe
the
rope
can
hold
them，so
they
never
try
to
break
free.”
How
could
it
be
These
animals
could
at
any
time
break
free
from
their
ropes.
But
because
they
were
always
stuck
right
where
they
were，they
believed
they
couldn’t.
Just
like
the
elephants，how
many
of
us
go
through
life
believing
that
we
cannot
do
something，just
because
we
failed
at
it
once
before
________________.We
should
never
give
up
the
struggle（斗争）
in
life.
(
)1.What
did
the
writer
see
in
the
village
A.
Chains.
B.
Elephants.
C.
Cages.
D.
Farmers.
(
)2.Why
do
the
elephants
never
try
to
break
free
from
the
ropes
A.
Because
they
think
they
cannot.
B.
Because
they
are
too
old
to
do
it.
C.
Because
they
like
their
living
places.
D.
Because
they
get
on
well
with
the
trainer.
(
)3.How
did
the
man
feel
after
he
heard
what
the
trainer
said
A.
Moved.
B.
Surprised.
C.
Angry.
D.
Nervous.
(
)4.Which
of
the
following
is
the
missing
part
in
the
last
paragraph
A.
Failing
is
part
of
learning.
B.
We
should
be
different
from
others.
C.
Helping
animals
is
helping
ourselves.
D.
Traveling
always
makes
people
relaxed.
(
)5.What
is
the
best
title
for
this
text
A.
A
Pleasant
Trip.
B.
A
Cruel
Trainer.
C.
Elephant
Training.
D.
The
Elephant
Rope.21·cn·jy·com
2015河南（B组）
There
is
little
doubt
that
house
cat
first
developed
naturally
from
ancient
wild
cats.
The
cleverest
relative
is
the
America
wild
cat
which
still
lives
in
Africa
today.
This
is
understandable
because
the
first
house
cats
came
from
Africa.
Cats
first
started
to
live
around
people
in
Egypt
about
6,000~7,000
years
ago.
From
Egypt,
cats
started
to
move
around
the
world.
This
is
about
the
same
time
that
Egyptians
began
storing
grain(谷物）in
buildings.
Scientists
used
to
believe
that
people
tamed
cats
to
catch
mice
and
protect
the
grain.
However,
cats
don’t
like
to
be
told
what
to
do!
Now,
scientists
believed
that
cats
followed
the
mice
and
learned
to
accept
people.
Finally,
some
of
the
cats
began
to
grow
comfortable
around
people,
these
were
smaller
cats
that
needed
protection.
As
these
cats
and
people
got
used
to
each
other,
then
they
moved
in
together.
Around
5,000
years
ago,
cats
started
to
live
with
people.
Soon
cats
were
in
Greece,
then
the
Middle
East
and
China.
They
moved
along
Egyptian
business
roads
keeping
away
mice
and
keeping
people
around
them.
After
the
Romans
came
to
Egypt,
they
also
accepted
the
cats
and
brought
them
to
Europe.
These
cat
likely
bred(繁殖）
with
other
cats
to
form
the
many
kinds
of
house
cats
we
have
today.
Cats
are
relatively
recent
house
animals.
House
cats
still
have
a
lot
in
common
with
their
wild
relatives.
Cats
sleep
a
lot
to
save
energy
just
like
wild
cats.
They
will
often
get
food
at
night
as
well.
House
cats
are
generally
peaceful
and
friendly,
but
be
careful!
If
a
cat
feels
it
is
in
danger,
it
will
fight
back—just
like
a
wild
cat.
根据材料内容选择最佳答案。
51.Where
did
the
first
house
cats
come
from？
A.
Asia.
B.
Africa.
C.
Europe.
D.
America.
52.When
did
cats
start
to
live
with
people？
A.
About
4,000
years
ago.
B.
About
5,000
years
ago.
C.
About
6,000
years
ago.
D.
About
7,000
years
ago.
53.According
to
the
text,
which
of
the
following
is
TRUE？
A.
Cats
started
to
move
around
the
world
from
China.
B.
Cats
get
food
at
night
to
save
energy
like
wild
cats.
C.
Cats
have
a
little
in
common
with
their
wild
cats.
D.
Cats
were
accepted
and
brought
to
Europe
by
Romans.
54.
What
does
the
underlined
word
“tamed”
mean
in
Chinese？
A.驱散 B.捕捉 C.驯化
D.引进
55.What
does
the
text
mainly
talk
about？
A.
The
development
of
house
cats.
B.
Different
cats
in
different
countries.
C.
The
relationship
between
cats
and
people.
D.
The
differences
between
house
cats
and
wild
cats.21世纪教育网
21世纪教育网
--
中国最大型、最专业的中小学教育资源门户网站。
版权所有@21世纪教育网本资料来自于资源最齐全的２１世纪教育网www.21cnjy.com
话题十三：Nature（自然）
第二课时
8AModule6
高效学案21世纪教育网
时间：________________
★Step
1.
话题重点语法突破
选词并用其正确的形式填空：
(
become,
small,
eat,
help,
be,
dangerous,
natural,
they,
save,
feed)
Scientists
do
a
lot
of
research
_______
pandas
produce
more
babies
and
help
baby
pandas
live
because
pandas
are
in
_____
and
there
are
only
about
1,600
pandas
in
the
wild
today.
Each
panda
needs
_____
a
lot
of
bamboo
every
day.
The
bamboo
forests
are
getting
_______
than
before,
so
pandas
are
losing
_____
homes.
In
order
to
protect
pandas
in
the
wild,
the
government
is
developing
plans
______
pandas
and
is
setting
up
_____
parks
to
protect
animals.
The
nature
parks
will
be
big
and
there
_______more
bamboo
_______
the
animals.21·cn·jy·com
People
all
over
the
world
love
pandas,
and
the
panda
has
______
a
symbol
of
China.21·世纪
教育网
★Step2.
话题微完形指导
When
people
think
of
tigers,
they
think:
strong
and
dangerous.
But
now,
the
big
animal
is
calling
for
our
help.
.21教育网
There
were
once
eight
kinds
of
1._______
in
the
world,
but
three
died
out
during
the
20th
century.
In
the
last
70
years,
the
2._______
of
Siberian
tigers
has
gone
from
as
many
as
300
to
3.______
22
somewhere.
The
Siberian
tiger
has
been
4._______
dying
out
completely.
If
the
government
doesn't
make
any
efforts,
it's
quite
possible
that
there
will
be
no
more
Siberian
tigers
in
China
in
ten
to
twenty
years.www-2-1-cnjy-com
(
)
1.
A.
pigs
B.
tigers
C.
deer
D.
ducks
(
)
2.
A.
name
B.
kind
C.
number
D.
weight
(
)
3.
A.
less
than
B.
more
than
C.
bigger
than
D.
smaller
than【版权所有：21教育】
(
)
4.
A.
in
need
of
B.
in
danger
of
C.
in
front
of
D.
in
spite
of
★Step
3
话题完形训练。
2015江苏省南京市英语中考真题试题
Have
you
ever
taken
a
tour
of
a
zoo？
If
so,
it
is
likely
that
the
person
who
led
you
through
the
zoo
helped
you
to
learn
a
lot
about
the
__1__．
Amelia
Rinas
is
a
high
school
student
who
lives
in
Ohio．One
day
Amelia
__2__
the
Clevel
and
Metropark
Zoo．The
moment
she
saw
the
gorillas（大猩猩）
there,
she
felt
__3__
about
them．She
wondered
if
they
were
getting
the
right
foods．
Amelia
read
all
she
could
about
gorillas
and
learned
what
they
like
to
__4__．Then
she
started
a
“gorilla
garden”．She
grows
the
fruits
and
vegetables
that
gorillas
love
to
eat．Some
of
those
foods
are
tomatoes,
carrots,
and
strawberries．Amelia
works
with
other
volunteers
in
her
community
who
use
their
__5__
time
to
help
America
and
the
gorillas．When
they
take
the
food
to
the
zoo,
the
gorillas
are
thrilled
(极度兴奋的)．They
look
so
excited!
Who
is
responsible
for
Amelia’s
interest
in
animals
Amelia
is
a
member
of
Roots
&
Shoots．Its
members
are
young
people
who
__6__
animals
and
the
environment．They
helped
Amelia
understand
that
animals
need
our
care,
too．The
slogan
on
the
Roots
&
Shoots
Website
is
“Inspire,
take
action,
make
a
difference．”
These
words
tell
__7__
the
group
is
all
about．The
group
urges(力劝)
kids
and
grown
ups,
including
parents
and
teachers,
to
do
what
they
can
to
make
a
__8__
where
they
live．
When
interviewed
about
her
project,
Amelia
said,
“I
joined
Root
&
Shoots
__9__
I
wanted
to
make
a
difference
in
the
world．”
There
are
many
__10__
to
make
a
difference
in
the
world．Amelia
Rinas’
gorilla
garden
has
helped
make
gorillas
happier
and
healthier．
1．A．gardens
B．foods
C．plants
D．animals
2．A．opened
B．bought
C．visited
D．started
3．A．bored
B．tired
C．worried
D．relaxed
4．A．eat
B．bite
C．fight
D．kick
5．A．paid
B．last
C．extra
D．lost
6．A．care
about
B．look
for
C．run
after
D．laugh
at
7．A．when
B．what
C．how
D．where
8．A．living
B．mistake
C．note
D．difference
9．A．because
B．but
C．though
D．unless
10．A．ways
B．mysteries
C．courses
D．inventions
★Step
3
话题写作指导与训练。
本话题的常用表达
▲常用表达
1.
We
need
to
help
animals
live
in
peace.
2.
We
don't
want
to
lose
tigers,
elephants
or
any
other
animals.
3.
Many
wild
animals
don't
have
a
safe
place
to
live
because
villages
and
farms
are
growing
bigger
and
are
taking
away
their
land
and
forests.
4.
It's
our
duty
to
save
animals
in
danger.
5.
Something
must
be
done
to
help
animals
live
in
peace.
6.
Everyone
should
play
a
part
in
helping
protect
the
animals.
7.
I
believe
if
everyone
tries
his
best
to
protect
the
animals,
the
world
will
become
much
more
harmonious（和谐的）．21世纪教育网版权所有
8.
Our
actions
can
make
a
difference
and
lead
to
a
better
future.
▲参考谚语
1．Animals
are
man's
best
friends.
动物是人类最好的朋友。
2．Every
bird
likes
its
own
nest
best.
鸟皆爱其巢，人皆爱其家。
二、佳句欣赏与模仿
1.
It's
sad
to
think
of
pandas
and
other
animals
in
danger.
【It's+adj.+to
do
sth.做某事是怎样的】
保护野生动物是重要的。
_________________________________________________________.21cnjy.com
2.
Let's
find
out
what
else
we
can
do
to
save
as
many
animals
as
possible.www.21-cn-jy.com
【as…as
possible尽可能……】
我们应该尽可能努力工作去拯救危险动物。
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3.
In
order
to
protect
pandas
in
the
wild,
the
government
is
setting
up
nature
parks.【来源：21·世纪·教育·网】
[in
order
to…为了…….]
为了动物更好地生存，我们不应该夺去他们的陆地和森林。
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三、实战演练21世纪教育网
目前老虎面临危险。假设你是东东，请你以“Tigers
in
Danger”为题写一篇110词左右的英语倡议书，号召大家保护老虎。内容包括：1．老虎的居住地、饮食等基本情况；2．处于危险的原因；3．保护他们的措施或建议。
．21世纪教育网21
cnjy
com
要求：1．所写内容必须包括提示内容；2．文中不能出现真实的学校、班级和姓名；3．开头称呼与结尾落款已给，不计入总词数。
Dear
everyone,21世纪教育网
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________【出处：21教育名师】
_______________________________________________________________
2·1·c·n·j·y
______________________________________________________________________________________________________________________________21教育名师原创作品
Dongdong
评语
_______________________________________________________________21
cnjy
com
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________二次作文【来源：21cnj
y.co
m】
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______________________________________________________________________________________________________________________________21世纪教育网
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