Unit
13
We’re
trying
to
save
the
earth!
Section
A(3a-3b)练习
一.
完成词句。
1.
鲨鱼n.
____
2.
(鱼)
鳍n.
____
3.
科学上的；科学的adj.
____
4.
残酷的；残忍的adj.
____
5.
有害的adj.
____
6.
链子；链条n.
____
7.
生态系统n.
____
8.
工业；行业n.
____
9.
法律；法规n.
____
10.
鱼翅汤
_________
11.
处于食物链的顶端
_________
12.
在过去的20到30年间
_________
13.
环境保护组织
________
14.
健全法律
_________
15.
鱼翅买卖
_________
16.
但是你意识到当你每次在品尝一碗鱼翅汤时，你正在杀死一整头鲨鱼吗？
But
do
you
realize
that
you're
killing
a
whole
shark
each
time
you
enjoy
____
____
____
____
____
____
?
17.
在过去的20到30年里，有些种类的鲨鱼的数量已经下降了百分之九十多。
The
numbers
of
some
kinds
of
sharks
have
fallen
by
over
90
percent
____
____
____
20
to
30
years.
18.
如果我们不采取措施来阻止这种鱼翅买卖，鲨鱼可能有一天会消失。
Sharks
may
disappear
one
day
if
we
do
not
do
something
to
____
____
____
____
____
____.
二、根据句意及汉语提示填写单词。
1.
I
think
it's
_____
(残酷的)
of
them
to
shoot
the
animals.
2.
With
the
development
of
_____
(工业),
it
will
cause
some
pollution
problems.
3.
Reading
in
the
sun
is
_____
(有害的)
to
your
eyes.
4.
The
government
has
made
some
_____
(法律)
to
protect
the
wild
animals.
5.
We
should
use
some
_____
(科学的)
ways
to
solve
the
problem.
三、用括号内所给单词的适当形式填空。
1.
Hainan
is
in
the
_____
(south)
part
of
China.
2.
We
all
support
his
_____
(science)
research.
3.
This
is
an
_____
(danger)
animal.
We
should
try
to
save
it.
4.
Smoking
is
_____
(harm)
to
your
health.
You
must
give
it
up.
5.
In
fact,
about
70
million
sharks
are
_____
(catch)and
traded
every
year.
四、根据汉语意思完成句子，每空一词。
1.
保护海洋生态系统食物链的平衡很重要。
It’s
very
important
to
keep
the
balance
of
the
_____
_____
in
the
ocean
ecosystem.
2.
目前很多动物的数量在下降。
At
present
the
number
of
many
animals
_____
_____.
3.
他的中指在工作时不小心被机器切掉了。
His
middle
finger
_____
accidentally
_____
_____
while
working.
4.
让我们拒绝鱼翅汤吧，因为“保护鲨鱼就是保护我们自己”。
Let's
_____
_____
_____
_____
_____
_____
because
“to
protect
sharks
is
to
protect
ourselves”．
5.
听！贾森在练歌房里引吭高歌。
Listen!
Jason
is
singing
_____
_____
_____
his
voice
in
the
singing
hall
?单项选择
从A、B、C、D四个选项中选择可以填入空白处的最佳答案。
(???
)
1.
It’s
_______
ugly
bag,
but
it
is
_______
useful
one.
A.
a;
a?
?
?
?
?
?
?
?
?
?
?
?
?B.
an;
an
C.
a;
an
??????????????????
???
D.
an;
a
(???
)
2.
Kelly
is
thinking
about
how
these
old
books
can
be
put
_______
good
use.
A.
to?
?
?
?
?
?
?
?
?
?
?
?
?
B.
in
C.
on?
?
?
?
?
?
?
?
?
?
?
?
?D.
at
(???
)
3.
Electronic
books
have
many
_______.
I
think
the
most
important
one
is
that
they
don’t
take
up
much
room.
A.
suggestions?
?
?
?
?
?
?
B.
advantages
C.
introductions?
?
?
?
?
?
D.
exchanges
(???
)
4.
Carla
thinks
it
is
_______
to
play
tricks
on
the
disabled
people.
They
should
be
respected.
A.
cruel?
?
?
?
?
?
?
?
?
?
?
?
B.
scary
C.
unlucky?
?
?
?
?
?
?
?
?
?D.
unnecessary
(
???)
5.
My
shoes
were
really
cheap.
They
only
_______
5
dollars.
A.
took?
?
?
?
?
?
?
?
?
?
?
?
B.
cost
C.
paid?
?
?
?
?
?
?
?
?
?
?
?
D.
spent
六.?情景交际
根据对话内容，在空白处填入恰当的句子，使对话完整、通顺。
A:?Hi!
I’m
from?Shanghai
Daily.
I
want
to
write
a
report
about
the
environment
in
our
city.
(1)
______________________?
B:?Of
course.
A:?(2)
______________________?
B:?I
think
it
is
getting
worse
and
worse.
A:?(3)
______________________?
B:?We
should
reduce
pollution,
plant
more
trees
and
recycle
more.
A:?Yes,
I
also
think
so.
(4)
______________________?
B:?I
have
joined
the
environment
clubs
in
our
city
and
done
lots
of
things.
A:?Great.
I
think
everyone
should
do
something
to
protect
the
environment.
B:?Yes,
and
then
(5)
______________________.
A:?Thank
you.
B:?You’re
welcome.
参考答案：
一、1.
shark
2.
fin
3.
scientific
4.
cruel
5.
harmful
6.
chain
7.
ecosystem
8.
industry
9.
law
shark
fin
soup
11.
at
the
top
of
the
food
chain
12.
in
the
last
20
to
30
years
13.
environmental
protection
groups
14.
develop
laws
15.
the
sale
of
shark
fins
a
bowl
of
shark
fin
soup
17.
in
the
last
18.
stop
the
sale
of
shark
fins
二、1.
cruel
2.
Industry
3.
harmful
4.
laws
5.
scientific
三
1.
southern
2.
scientific3.
endangered
4.
harmful
5.
caught
四1.
food
chain
2.
is
dropping
3.
was;
cut
off
4.
say
no
to
shark
fin
soup
5、at
the
top
of
DABAB
六、
1.
May
I
ask
you
some
questions
/
Can
you
answer
me
some
questions
2.
What
do
you
think
of
the
environment
in
our
city
3.
What
can
/
should
we
do
about
it
/
to
improve
the
environment
4.
What
have
you
done
to
protect
the
environment
in
our
city
5.
the
environment
will
get
/
become
better
and
better(共39张PPT)
Unit
13
We’re
trying
to
save
the
earth!
Period(Two)
Section
A(3a-3b)
版本:人教版九年级全册
Lead
in
Enjoy
a
video
and
answer
what
is
the
video
talk
about
Objectives
1.
To
understand
the
passage
about
the
endangered
animal
–
sharks.
2.
To
have
the
awareness
of
protecting
the
sharks
and
respecting
nature.
3.
To
learn
some
words
and
expressions.
1.残酷的；残忍的
_____________
2.有害的
_____________
3.
工业；行业
_____________
4.法律；法规
_____________
5.科学上的；科学的
_____________
6.承担得起；买得起
_____________
cruel
scientific
afford
harmful
law
industry
New
words
7.对……有害
_________________
8.在……顶部或顶端
_________________
9.食物链
_________________
10.参加
_________________
11.关掉
_________________
12.付费；付出代价
_________________
13.采取行动
_________________
be
harmful
to
at
the
top
of
the
food
chain
take
part
in
turn
off
pay
for
take
action
Revision
Translation.
1.
甚至河底都满是垃圾。
2.
这个镇上的每个人都应该参与清扫。
Even
the
bottom
of
the
river
was
full
of
rubbish.
Everyone
in
this
town
should
play
a
part
in
cleaning
it
up.
3.
骑自行车有其它的优点。
4.
我买外卖食品从来不拿木筷子和塑料
叉子。
There
are
other
advantages
of
bike
riding.
I
never
take
wooden
chopsticks
or
plastic
forks
when
I
buy
takeaway
food.
Warming
up
There
are
some
animals
which
are
endangered.
We
should
do
something
to
protect
the
animals
and
the
environment!
Save
the
earth!
Save
the
animals!
The
zoos
provide
homes
for
many
endangered
animals.
1.
What
do
you
know
about
sharks?
2.
Do
you
think
sharks
can
be
endangered?
Why?
Discussion
3.
What
do
you
think
might
cause
a
fall
in
the
number
of
sharks?
Talk
about
shark
fin
soup.
Sharks
are
endangered
now.
Appeal
to
people
against
eating
shark
fins.
Para.
3
Para.
1
Para.
2
Listen
and
match
the
main
ideas.
Pre-reading
3a
Read
the
passage
about
sharks
and
complete
the
fact
sheet
below.
Where
shark
fin
soup
is
popular
Number
of
sharks
caught
and
traded
every
year
How
governments
can
help
Two
environmental
groups
against
“finning”
In
southern
China
Around
70
million
To
develop
laws
to
stop
the
sale
of
shark
fins
WildAid
and
the
WWF
Sharks
are
endangered,
read
the
passage
and
judge
the
sentences.
Read
the
first
paragraph
Shark
fin
soup
is
famous
and
expensive
all
around
the
world.
We
have
to
kill
a
whole
shark
to
get
a
bowl
of
shark
fin
soup.
×
√
Read
the
second
paragraph.
People
cut
off
sharks’
fins
and
throw
the
sharks
back
into
the
ocean.
Sharks
are
in
the
bottom
of
the
food
chain
in
the
ocean’s
ecosystem.
√
×
n.
生态系统
食物链
Read
the
third
paragraph.
1.
WildAid
and
the
WWF
are
environmental
protection
groups
in
China.
2.
Shark
fins
are
good
for
health.
×
×
Many
have
heard
of
shark
fin
soup.
This
famous
and
expensive
dish
is
especially
popular
in
southern
China.
But
do
you
realize
that
you’re
killing
a
whole
shark
each
time
you
enjoy
a
bowl
of
shark
fin
soup?
听说
尤其地;格外地
Save
the
sharks!
When
people
catch
sharks,
they
cut
off
their
fins
and
throw
the
sharks
back
into
the
ocean.
This
is
not
only
cruel,
but
also
harmful
to
the
environment.
Without
a
fin,
a
shark
can
no
longer
swim
and
slowly
dies.
Sharks
are
at
the
top
of
the
food
chain
in
the
ocean’s
ecosystem.
If
their
numbers
drop
too
low,
it
will
bring
danger
to
all
ocean
life.
不但……而且……
在……顶部或顶端
切下来；剪下来
不再
be
harmful
to…
对……有害
Many
believe
that
sharks
can
never
be
endangered
because
they
are
the
strongest
in
their
food
chain.
But
in
fact,
around
70
million
sharks
are
caught
and
traded
in
this
industry
every
year.
The
numbers
of
some
kinds
of
sharks
have
fallen
by
over
90
percent
in
the
last
20
to
30
years.
濒危的
people
enjoy
____________________
fishermen
___________,
______________,
then
_______________________
________________________________decreased
quickly
a
bowl
of
shark
fin
soup
catch
sharks
cut
off
their
fins
throw
them
into
the
ocean
The
numbers
of
some
kinds
of
sharks
Environmental
protection
groups
around
the
world,
such
as
WildAid
and
the
WWF,
are
teaching
the
public
about
“finning”.
They
have
even
asked
governments
to
develop
laws
to
stop
the
sale
of
shark
fins.
So
far,
no
scientific
studies
have
shown
that
shark
fins
are
good
for
health,
so
why
eat
them?
Help
save
the
sharks!
制定法律
Retell
the
passage.
A
whole
shark
has
been
killed
each
time
you
enjoy
a
bowl
of
shark
fin
soup.
When
people
catch
sharks,
they
__________
their
fins
and
throw
the
sharks
back
into
the
ocean.
cut
off
Without
a
fin,
a
shark
can
__________
swim
and
slowly
dies.
If
sharks’
numbers
drop
too
low,
it
will
_______________
all
ocean
life.
_________________
some
kinds
of
sharks
have
fallen
____
over
90
percent
in
the
last
20
to
30
years.
no
longer
bring
danger
to
The
numbers
of
by
Read
the
passage
again
and
fill
in
the
blanks
with
the
words
in
the
box.
3b
so
although
if
but
when
1.
Many
people
do
not
realize
they
are
killing
a
whole
shark
_______
they
enjoy
a
bowl
of
shark
fin
soup.
2.
Sharks
are
at
the
top
of
the
food
chain,______if
their
numbers
drop,
the
ocean’s
ecosystem
will
be
in
danger.
when
so
so
although
if
but
when
3.
Many
think
that
sharks
are
too
strong
to
be
endangered,
____
they
are
wrong.
4.
________
there
are
no
scientific
studies
to
support
this,
a
lot
of
people
believe
that
shark
fins
are
good
for
health.
5.
Sharks
may
disappear
one
day
___
we
do
not
do
something
to
stop
the
sale
of
shark
fins.
but
Although
if
Group
work
What
can
we
do
to
save
the
sharks?
Work
with
your
group
members
and
make
a
poster
about
shark
protection.
Language
points
1.
Without
a
fin,
a
shark
can
no
longer
swim
and
slowly
dies.
没有鱼鳍，鲨鱼不能再游泳然后慢慢死去。
no
longer不再
=
not…any
longer/
not…
any
more,
但它们侧重的方面不同。
no
longer和not…any
longer侧重时间。
e.g.
Mr.
Brown
no
longer
works
here.
=
Mr.
Brown
doesn’t
work
here
any
longer.
布朗先生不在这工作了。
not
...
any
anymore侧重程度和数量。
e.g.
You
can’t
drink
any
more.
你不能再喝了。（喝酒的量到了一定的程度，不能再继续喝下去了。）
2.
This
method
is
not
only
cruel,
but
also
harmful
to
the
environment.
这种方法不但残忍而且对环境有害。
not
only…but
also…
“不仅……而且……”
用于连接两个表示并列关系的成分，着重强调后者，其中的also有时可以省略。
be
harmful
to
对……有害
be
bad
for
对……有害
e.g.
She
not
only
plays
well,
but
also
writes
music.
Not
only
does
my
sister
sing
well,
but
she
dances
well.
Not
only
the
students
but
also
the
teacher
is
working
hard.
not
only置于句首时，常用_____语序。
not
only...
but
also...连接两个主语时，谓语动词须与_____
(前面/后面)那个主语在人称和数上保持一致，就近原则。
倒装
后面
3.
Sharks
are
at
the
top
of
the
food
chain
in
the
ocean’s
ecosystem.
鲨鱼位于海洋生物系统食物链的顶部。
at
the
top
of
在……最高地位;
用最高[最大]的(速度,
声音等)
e.g.
He
shouted
at
the
top
of
his
voice
in
order
that
he
might
be
heard.
他尽力大声叫喊,
为了别人能听见。
4.
If
their
numbers
drop
too
low,
it
will
bring
danger
to
all
ocean
life.
如果它们的数目降至过低，会给所有海洋生物带来危险。
此句复数形式的numbers表达全海洋中鲨鱼的总量。
In
that
country,
the
number
of
children
going
to
school
is
higher
in
cities
than
in
towns
and
villages.
在那个国家，城市儿童入学人数比乡镇及农村要高。当表示数值的高或低时，number要用__________修饰。
常与number搭配的动词有grow,
fall等。
high或low
Summary
1.
听说
2.
一碗鱼翅羹
3.
切掉
4.
对……有害
5.
不再
6.
在……顶部
7.
食物链
8.
环境保护组织
9.
立法
hear
of
a
bowl
of
shark
fin
soup
cut
off
be
harmful
to
at
the
top
of
the
food
chain
no
longer
environmental
protection
group
develop
laws
I.
用所给词的适当形式填空。
1.
The
old
man
used
_____
(be)
a
teacher.
2.
We
should
_____
(clean)
the
room
every
day.
3.
Look!
Tom
_________
(sleep)
in
his
room.
4.
Lots
of
trees
__________
(plant)
on
the
hill
every
year.
5.
He
_________
(live)
here
for
20
years.
to
be
clean
is
sleeping
are
planted
has
lived
Exercise
1.
He
promised
to
pick
me
up
at
the
school
gate.
However,
he
_____
yet.
A.
didn’t
arrive
B.
doesn’t
arrive
C.
isn’t
arriving
D.
hasn’t
arrived
2.
Ba
Jin,
one
of
the
greatest
writers
in
China,
___
as
“People’s
Writer”.
?
A.
is
regarded??
B.
has
regarded
??
C.
is
regarding??
D.
regards
3.
—At
present,
one
of
the
best
ways
to
study
is
working
in
groups.
—More
chances
______
to
students
to
learn
from
each
other.
A.
offer
B.
are
offered
C.
have
offered
D.
are
offering
Homework
1.
Recite
the
new
words
and
expressions
you’ve
learned
today.
2.
Write
5
measures
to
protect
the
environment.
谢谢
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