Lesson17
Save
the
tigers
练习
一、根据要求写出下列单词。
1.世纪_______________(复数)
2.bravely
_______________(形容词)
3.
danger
__________(形容词)
4.appear
________________(反义词)
5.cut
_______
______(过去式,过去分词)
6.
increase
(增加)
______________(反义词)
7.drop
________
________(过去式,过去分词)
8.
important
__________(名词)
二、短语互译。
1.在……之初_____________________
2.下降到,跌至____________________
3.Food
chain
_______________
4.
in
balance
______________
5.处于危险之中_________________
6.也,还__________________
7.把……砍倒_________________
8.挽救老虎_________________
9.……的象征_________________
10.在……顶部_________________
11.……的数量_________________
12.对……重要_________________
13.最近几年_________________
三、选择题。
1._______the
teachers
in
their
school
is
about
200and
one
fourth
of
them
are
______teachers.
A.
A
number
of;
women
B.
A
number
of
;
woman
C.
The
number
of;
women
D.
The
number
of;
woman
2.
The
number
of
________in
our
class
___________fifty.
A.
student,
is
B.
the
students,
are
C.
the
students,
is
D.
students,
are
3.
They
play
all
kinds
of
instruments
and
sing
___________.
A.
also
B.
either
C.
as
well
D.
as
well
as
4.
Jenny
and
Rose
as
well
as
Tom
_________English
very
well.
A.
speak
B.
speaks
C
.
spoke
D.
says
5.
The
number
of
guests
invited
_____a
hundred,
but
a
number
of
them
____absent
for
different
reasons.
A.
were,
was
B.
was
,
was
C.
was
,
were
D.
were
,
was
6----Helen,
do
you
know
if
Martin
_______to
my
party
next
week
----I
think
he
will
come
if
he
____free.
A.
will
come,
will
be
B.
will
come,
is
C.
come,
is
D.
comes,
will
be
7.
-----Jack,
I
haven’t
seen
your
uncle
for
a
long
time.
----He
_______Shanghai
on
business
for
two
months.
A.
went
to
B.
has
gone
to
C.
has
been
in
D.
has
been
to
8.
The
boss
made
him
work
14
hours
a
day.
That
means
that
he
_______work
14
hours
a
day.
A.
was
made
B.
made
C.
was
making
D.
was
made
to
9.
----Aren’t
these
your
books
-----_________.
I
bought
them
yesterday.
A.
Yes,
they
are
B.
Yes,
they
aren’t
C.
No,
they
are
D.
No,
they
aren’t
10.
Neither
my
sister
nor
I
_________been
to
America
before.
A.
have
ever
B.
have
never
C.
has
ever
D.
has
never
11.
Good health is _______ _______ ________than
thing life.
A.
much
important
B.
much
more
important
C.
important
D.
much
more
importance
12.
Do
you
realize
the
_______of
this
question
A.
important
B.
more
important
C.
importance
D.
much
importance
13.
Zoo
can
help
people
_______
the
animals’
wild
home.
A.
protect
B.
to
protect
C.
protects
D.
A
and
B.
14.
This is a
live wire.
(有电的电线).
It is_________.
If anyone is______,
please
help
him____ with a stick.
A.
dangerous;
in danger;
out of danger
B.
in danger;
dangerous;
out of danger
C.
out of danger;
in danger;
dangerous
D.
dangerous;
out of danger;
in danger
15.
We
should
________
our
environment
from
_____________.
A.
protect,
from
being
polluted
B.
protect,
from
polluting
C.
protect,
in
being
polluted
D.
protect,
to
polluting
四、阅读理解。
Many
people
like
animals
and
keep
one
or
more
as
pets-dogs,
cats
or
some
kinds
of
birds.
If
you
keep
a
dog
or
a
cat
as
a
pet,
you
must
know
how
to
look
after
them.
A
grown-up
dog
needs
two
meals
a
day-not
more.
And
it
can
eat
meat,
fish
,
rice
and
some
other
things.
Dogs like Large
bones,
but
don't
give
them chicken
bones.
Remember
to
give
them
much
clean
water.
A
dog
should
have
a
clean,
dry
box
for
sleeping.
Washing
it
once
a
week
is
good
for
its
health.
If
it
is
ill,
take
it
to
a
doctor.
A
healthy
dog
will
bring
you
more
pleasure.
Be
careful
if'
you
have
a
cat.
It
has
two
meals
a
day
with
some
meat
of
fish
Cats
deink
a
little
milk
every
day.
Sometimes
you
should
give
them vegetables
to
eat.
Don't
forget
that
they
need
clean
water
to
drink,
too.
Take
good
care
of
your
pets.
They
will
be
your
good
friends. Maybe
they
can
give
you
some
help
when
you
need.
1.______________
can
be
kept
as
pets
from
the
passage.
A.
Pandas
B.
Elephants
C.
Chickens
D.
Cats
2.
What
do
dogs
like
eating
A.
All
the
bones.
B.
Big
bones.
C.
Small
bones.
D. Chickens
bones
3.
Both
dogs
and
cats
need to
drink
every
day.
A.
milk
B.
orange C.
clean
water
D.
cake
4.
Pets
can when
they
need.
A.
buy
things
for
their
owners
B.
help
their
owners
C.
take
care
of
their
owners
D.
cook
for
their
owners
5.
A
healthy
dog
can
make
you _
A.
happy
B.
sorry
C.
young
D.
worried