中小学教育资源及组卷应用平台
Unit
3
Lesson
17
Save
the
tigers!
同步练习
一.
单项选择。
1.
Her
mother
posted
her
some
books
and
a
lot
of
money
________.
A.
either
B.
also
C.
as
well
D.
as
well
as
2.
There
______
a
number
of
books
in
the
library
and
the
number
of
them
________
increasing.
A.
has;
is
B.
have;
are
C.
are;
is
D.
is;
are
3.
We
must
stop
them
from
________
trees.
Everyone
here
should
protect
the
forest.
A.
looking
down
B.
look
down
C.
cut
down
D.
cutting
down
4.
Many
wild
animals
are
________,
and
it's
time
for
us
to
do
whatever
we
can
to
protect
them.
A.
on
duty
B.
on
show
C.
in
order
D.
in
danger
5.
We
should
eat
different
kinds
of
food
to
keep
our
diet(日常饮食)
________.
A.
in
balance
B.
in
trouble
C.
on
balance
D.
in
use
二.
根据句意及所给的首字母用适当的词语填空。
1.
The
soldiers
are
very
b___________.
They
fear
nothing
at
all.
2.
You
are
late
again.
Can
you
tell
me
the
r__________
3.
Danny
c__________
his
finger
with
a
knife
just
now.
4.
I
have
no
c___________
to
face
them.
What
shall
I
do
5.
You
can’t
k__________
birds
from
now
on.
You
should
protect
them.
三、根据汉语完成句子
1.
你希望老虎从地球上消失吗？
Do
you
________
tigers
________
________
from
the
earth
2.
很多野生动物都在失去家园。
Many
wild
animals
are________
________
homes.
3.
最近气温已经下降到0°C。
The
temperature
________
________
________
0°C
recently.
4.
让鸟类的数量保持平衡这很重要。
________
________
to
keep
the
numbers
of
birds
________
________.
5.
那儿的人们处于挨饿的危险中。
People
there
are
________
________
________
going
hungry.
四.阅读理解。
Some
ants(蚂蚁)
make
their
homes
under
a
stone.
If
the
weather
is
warm,
you
may
see
ants
under
the
stone.
If
the
weather
is
cold,
many
ants
will
be
in
their
houses
under
the
ground.
Most
of
the
ants
are
workers.
They
are
very
busy.
They
gather(收集)
food
and
care
for
the
young
ants.
But
they
must
have
a
queen
ant(蚁后).
The
queen
ant
doesn't
work.
But
she
is
important
because
she
lays
the
eggs(生卵).
Those
eggs
will
become
new
ants.
You
can
recognize
the
queen,
because
she
is
bigger
than
the
other
ants.
1.
Where
can
you
see
the
ants
if
the
weather
is
warm
A.
Under
the
stone.
B.
Under
the
ground.
C.
Under
the
tree.
D.
On
the
ground.
2.
What
does
the
underlined
word
mean
A.
认为
B.
组织
C.
说出
D.
辨认出
3.
Which
of
the
following
is
NOT
true
according
to
the
passage
A.
The
queen
ant
doesn't
work.
B.
Most
of
the
ants
are
workers.
C.
If
the
weather
is
cold,
you
may
see
ants
under
the
stone.
D.
The
queen
ant
is
bigger.
4.
—Why
is
the
queen
ant
important
—Because
she
________.
A.
is
bigger
than
others
B.
lays
the
eggs
C.
is
beautiful
D.
is
a
good
worker
5.
The
passage
tells
us
________.
A.
how
many
ants
work
B.
why
ants
stay
under
the
stone
C.
how
to
find
ants
and
the
work
of
ants
D.
where
the
queen
lays
eggs
同步练习答案
一.
1.C
2.C
3.
D
4.
D
5.
A
二.
1.
brave
2.
reason
3.
cut
4.
courage
5.
kill
三、1.hope;
will
disappear
2.
losing
their
3.
has
dropped
to
4.
It's
important;
in
balance
5.
in
danger
of
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八年级下
Unit
3
Lesson
17
Save
the
tigers.
Where
do
you
usually
see
tigers
Presentation:
In
a
zoo
There
are
currently
six
types
of
tigers:
the
Bengal
tiger
(孟加拉虎),
the
Siberian
tiger
（西伯利亚虎）,
the
Sumatran
tiger
（苏门答腊虎）,
the
Malayan
tiger
（马来亚虎）,
the
Indochinese
tiger
（印度支那虎）,
the
South
China
tiger(华南虎).
Learning
Tip:
the
Bengal
tiger
(孟加拉虎)
the
Siberian
tiger（西伯利亚虎）
the
Sumatran
tiger（苏门答腊虎）
the
Malayan
tiger（马来亚虎）
the
Indochinese
tiger（印度支那虎）
the
South
China
tiger
(华南虎)
brave
strong
fierce
king
of
the
forest
Presentation:
What
do
you
think
of
tigers
[bre v]
adj.
勇敢的，无畏的
['s mb( )l]
n.
标志，象征
['k r d ]
n.
勇气，胆量
They
are
symbols
of
strength
and
courage.
Learning
Tip:
They
are
at
the
top
of
the
food
chain.
food
chain
食物链
Tigers
help
keep
other
wild
animals
in
balance.(使…保持平衡)
For
this
reason,
tigers
are
important
to(对…重要)
the
environment.
Presentation:
['b l ns]
n.
平衡，平稳
['ri zn]
n.
原因，动机，理由
Lead-
in:
Let’s
watch
a
video:
But
now
some
people
hunt
and
kill
tigers
for
money.
They
also
have
cut
down（砍伐）
a
lot
of
trees
as
well（也）.
At
the
beginning
of
(在…之初)
the
20th
century,
there
are
around
100
000
tigers.
Now
the
number
of(…的数量)
tigers
has
dropped
to
(下降到；跌至)
a
few
thousand.
v.
杀死
The
tigers
are
in
danger
of
(处于危险之中)disappearing(消失).
Do
you
think
tigers
need
our
help
Why
or
why
not
Listen
to
the
tape
and
and
tick
the
correct
answers.
1.
“Save
the
tigers
”
is
.
a
group
of
volunteers
B.
a
company
C.
a
zoo
2.
Tigers
are
symbols
of
.
Friendship
and
peace
B.
strength
and
courage
C.
danger
and
balance
3.
The
number
of
tigers
in
the
wild
is
.
A.
not
changing
B.
increasing
C.
decreasing
A
B
C
Read
the
news
again
and
match
each
paragraphy
with
the
main
idea(中心句).
Save
the
Tigers
Para.1
Para.2
Para.3
A.
Tigers
are
in
danger
of
disappearing.
B.
“Save
the
Tigers”
is
a
volunteer
group
that
hopes
to
stop
the
tigers
from
disappearing
C.
Tigers
are
important
to
the
environment.
B
A
C
Reading:
Let’s
Do
It!
1
Read
the
news
carefully,then
find
some
sentences
to
support
the
main
idea（支持中心句）
of
each
paragraph(段落).
Save
the
Tigers
Save
the
Tigers”
is
a
volunteer
group
that
hopes
to
stop
the
tigers
from
disappearing
Tigers
are
important
to
the
environment.
Tigers
are
in
danger
of
disappearing.
Save
the
tigers
is
a
group
of
volunteers.
These
volunteers
hope
to
save
tigers.
But
today
the
number
of
tiges
has
drop
qiuckly.
Tigers
live
in
the
forest
of
Asia.
The
tiger
is
at
the
top
of
the
food
chain.
It
helps
keep
the
number
of
other
wild
animals
in
balance.
Some
people
hunt
and
kill
animals
for
money
People
have
cut
down
a
lot
trees
as
well.
As
forest
disappear,
tigers
lose
their
home.
2
Reading:
Read
the
lesson
again
and
take
notes.
“Save
the
tigers
”
is
a
group
of
volunteers
.
These
volunteers
hope
to
save
the
tigers
of
the
world
.
At
the
beginning
of
the
20th
century，the
number
of
tigers
in
the
wild
was
around
100
000
.
But
today
that
number
has
dropped
to
a
few
thousand
.
在…之初
世纪
…的数目
Save
the
Tigers
group
works
to
protect
the
tigers
.
下降到…
Reading:
Read
the
lesson
again
and
take
notes.
Tigers
live
in
the
forests
of
Asia
.
They
usually
have
orange
fur
and
dark
stripes
.
Tigers
are
symbols
of
strength
and
courage.
In
many
stories，they
are
brave
.
The
tiger
is
at
the
top
of
the
food
chain.
It
helps
keep
the
number
of
other
wild
animals
in
balance.
For
this
reason，tigers
are
important
to
the
environment.
勇气
These
tigers
live
in
a
zoo.
勇敢的
食物链
使…保持平衡
原因
对…重要
Reading:
Read
the
lesson
again
and
take
notes.
In
recent
years，tigers
have
been
in
danger
of
disappearing
.
Some
people
hunt
and
kill
tigers
for
money
.
People
have
cut
down
a
lot
of
trees
as
well
.
As
forests
disappear，tigers
lose
their
homes
.
The
number
of
tigers
in
the
wild
is
quickly
decreasing
and
we
must
do
something
about
it.
处于危险之中
杀死
也
消失
减少
language
points:
Grammar:
1.
At
the
beginning
of
the
20th
century,
the
number
of
tigers
in
the
wild
was
around
100
000.
在二十世纪初期，野生老虎的数量大约是十万只。
the
number
of意为“……的数量”，它的中心词是number，引导短语作主语时，谓语动词要用单数形式：
The
number
of
the
students
is
over
2000
in
our
school.
a
number
of
表示“许多、大量的”，相当于many，修饰可数名词复数。作主语时，谓语动词用复数。number前可用large，small等修饰，表示程度。例如：
The
number
of
students
in
our
class
is
50.
The
number
of
pages
in
this
book
is
60.
A
number
of
students
are
planting
trees
on
the
hill.
language
points:
Grammar:
2.
But
today
that
number
has
dropped
to
a
few
thousand.
但是现在，数量已经下降到几千只。
a
few
thousand表示“几千”。当hundred,
thousand前面是基数词one,
two,
three…a
few,
many时，其后不加s。当hundred和thousand后面加s时，需要跟of修饰可数名词复数。例如：
There
are
three
thousand
students
in
our
school.
Thousands
of
students
are
on
the
square.
language
points:
Grammar:
3.
For
this
reason,
tigers
are
important
to
the
environment.
因为这个原因，老虎对环境很重要。
be
important
to
sb./sth.
……对……来说是重要的。
be
important
for
sb./sth.
对于……来说做……是重要的。
例如:
Time
is
important
to
me.
It
is
important
for
you
to
get
there
early.
language
points:
Grammar:
4.
In
recent
years,
tigers
have
been
in
danger
of
disappearing.
在近几年，老虎处于濒临灭绝的危险中。
in
danger
of意为“处于……危险之中”。例如
You’re
in
danger
of
catching
a
cold.
The
sick
man
is
in
danger
of
death.
The
passengers
are
in
danger!
Let’s
go
and
help!
language
points:
Grammar:
5.
As
forests
disappear,
tigers
lose
their
homes.
随着森林的消失，老虎失去了它们的家园。
as在句中作连词，引导状语从句，意为“随着，当……的时候”。
As
the
sun
rose,
the
fog
disappeared.
As
she
left
the
room,
she
remembered
that
book.
language
points:
Grammar:
as
well
位于句首或句末，在局末尾时，不用逗号分开。用于肯
定句。
too
位于句末，前面用逗号分开。用于肯定句。
either
位于句尾，其前有无逗号均可。用于否定句。
also
位于be动词和助动词之后，行为动词之前，用于肯定句。
People
have
cut
down
a
lot
of
trees
as
well
.
表示“也”的短语和单词
Key
phrases
we
learn
today:
1.在……之初
2.下降到；跌至
3.食物链
4.保持平衡
5.处于危险状态
6.处于……危险中
把……砍到，减少
7.（出某事某人外）还，也
at
the
beginning
of…
drop
to
food
chain
in
balance
in
danger
in
danger
of
cut
down
as
well
At
the
beginning
of
the
20th
century,
______________
tigers
in
the
wild
was
around
100000.
But
today
that
number
____________
a
few
thousand.
Tigers
are
important
__
the
environment.
They
help
keep
the
number
of
other
wild
animals
_________.
But
in
recent
years,
tigers
have
been
in
danger
of
___________.
Some
people
____________
tigers
____
money.
We
must
do
something
about
it.
Fill
in
the
blanks
and
try
to
retell
the
text.
the
number
of
has
dropped
to
in
balance
disappearing
hunt
and
kill
to
for
Consolidation:
What
have
people
done
to
tigers
What
should(not)/can(not)
we
do
to
save
tigers
Discussion:
Suggestions
Tips:
1
.
stop
the
people
from
killing
and
hunting
the
tigers
2.
plant
more
trees
and
stop
cutting
down
the
trees.
3.
protect
the
forest
4.
return
the
tigers'
homes
5.
set
up
nature
reserves
Other
wild
animals
are
in
danger
as
well.
Work
in
groups
and
discuss
some
ways
to
protect
animals.
Write
down
your
ideas.
3
Let’s
Do
It!
How
to
protect
animals
First,
I
think
we
must
stop
killing
the
rare
birds
and
animals,
especially
the
young
ones.
Second,
we
have
to
protect
the
environment,
to
make
the
sky
blue,
to
make
the
grass
green,
to
give
the
animals
a
comfortable
space
to
live.
It's
not
only
for
the
animals
but
also
ourselves.
At
last,
we
should
tell
more
and
more
people
why
and
how
to
protect
the
animals,
make
everyone
do
this.
1．His
parents
were
born
in
the
80's
of
the
20th
c________.
2．Tigers
are
symbols
of
strength
and
c________．
3．We
k________time
by
chatting
with
our
friends
on
the
Internet
during
the
night.
4．He
didn't
tell
us
the
r________
for
being
late.
5．The
young
woman
is
very
b________.
She
is
not
afraid
of
anything.
entury
ourage
ill
eason
rave
Exercise:
根据句意及首字母提示完成单词
1.
_____________
students
is
about
twenty.
(……的数量)
2.
It’s
____________
your
health.
(对……是重要的)
3.
The
river
is
polluted
and
___________
going
dry.(处于……危险中)
4.
_________________
the
party,
he
gave
me
a
gift.
(在……之初)
5.
The
temperature
has
__________
below
zero.
(下降到)
6.
It
is
at
the
bottom
of
the
_________. (食物链)
7.
You
know,
computers
bring
troubles
_______.
(也)
The
number
of
important
to
in
danger
of
Exercise:
Fill
in
the
blanks.
At
the
beginning
of
dropped
to
food chain
as
well
Protecting
wild
animals
is
to
protect
our
future！
Try
everything
to
make
the
earth
a
better
home
for
all
to
live!
Review
Lesson
17.
2.
Write
a
short
passage
about
how
to
protect
animals.
Homework
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