中小学教育资源及组卷应用平台
Unit
1
Topic
2
Section
B
同步练习
一、单选题。
(
)1.
The
population
of
this
city
has
increased
_______twelve
million.
A.
to
B.
for
C.
by
D.
on
(
)
2.
--There
are
_______students
in
our
school.
A.
three
thousands
B.
three
thousands
of
C.
three
thousands
of
D.
three
thousand
(
)3.
Brazil
is
a
country
_____a
population
of
184
million..
A.
and
B.
with
C.
have
D.
has
(
)4
The
population
has
increased
____15
percent.
A.
to
B.
into
C.
by
D.
on
(
)5
The
weather
in
China
is
different
from
________in
Australia.
A.
that
B.
one
C.
it
D.
/
(
)
6.-The
weather
is
fine.
-So
______________.
A.
is
it
B.
it
is
C.
it
does
D.
does
it
二.
用所给词的正确形式填空。
1.
The
population
( http: / / www.21cnjy.com )
of
this
town
is
________(increase)by
five
percent
every
year.
2.
The
accident
is
___________(serious)than
we
think.
3.
India
has
the
__
( http: / / www.21cnjy.com )_____(two)
largest
population
with1.1billion
in
the
world
4.
China
is
a
____________(develop)country
while
Japan
is
a
________(develop)country.
5.
________(lucky),he
was
not
hurt
in
the
accident.
三.
用英语写出下列数字，使句子完整。
1.A
normal
person’s
heart
beats________(42,000,000)times
every
year.
2.Light
travels
at
( http: / / www.21cnjy.com )a
speed
of
______________(299,800)
kilometers
per
second.
3.Tian’s
anmen
Square
is
about
_____________(440,000)square
meters.
4.The
earth
is
__________(149,600,000)kilometers
away
from
the
sun.
5.It
is
said
that
( http: / / www.21cnjy.com )
the
population
of
the
world
will
be
________(7,000,000,000)by
the
year
2012.
同步练习答案
一、1.
A
2.
D
3.
B
4.
C
5.
A
6.
B
二.
1.increased
2.more
serious
3.second
4.developing；developed
5.Luckily
三.
1.
forty-two
million
2.
two
hundred
and
ninety
–nine
thousand
eight
hundred
3.
four
hundred
and
forty
thousand
4.
one
hundred
and
forty
–nine
million
six
hundred
thousand
5.
seven
billion
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页
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页）
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Unit
1
The
Changing
World
Topic
2
The
population
in
developing
countries
is
growing
faster.
Section
B
仁爱科普
九年级上
选用所给单词或词组填空
already,
yet,
ever,
never,
have
been
to,
have
gone
to
1.
Tom
has
_____________
finished
his
homework.
Now
he
is
playing
football
on
the
playground.
2.
Have
you
_____
been
to
the
Great
Wall
3.
She
hasn’t
come
back
____.
4.
I
have
____
heard
of
that
before.
It
is
so
strange.
5.
Has
he
kept
the
book
____
6.
–Have
you
seen
the
film
---Yes.
I
have
____________
seen
it.
7.
____
you
ever
_______________
Hainan
8.
Mr.
Wang
isn’t
here.
He
_____________
Shanghai.
just
/
already
ever
yet
never
yet
just
/
already
Have
been
to
has
gone
to
Warming-up
Let’s
watch
a
video:
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
30
40
50
60
70
80
90
100
zero
one
two
three
four
five
six
seven
eight
nine
ten
eleven
twelve
thirteen
fourteen
fifteen
sixteen
seventeen
eighteen
nineteen
twenty
twenty-one
thirty
forty
fifty
sixty
seventy
eighty
ninety
hundred
1,000,000,000
one
billion
1,000,000
one
million
1,000
one
thousand
3.14
three
point
one
four
100
one
hundred
小数点读point
Presentation:
朗读时，将每三位数看做一个单位，从右往左依次为thousand千，million百万，billion十亿。每个单位按照百、十、个位向下读，其中百位到十位之间要加入
and。
billion
十亿
e.g.
1.3
billion
十三亿
billion与million,
thousand,
hundred一样，在表示确切数字时，不能使用复数形式，但是，不表示确切数字时，如成百、成千、上万时，要以复数形式出现，且要与of连用，构成短语。
e.g.
hundreds
of
数百，成百上千的
thousands
of
成千上万的
millions
of
数百万
billions
of
数十亿
101
110
122
143
1,000
10,000
1,000,000
100,000,000
1,000,000,000
one
hundred
and
one
one
hundred
and
ten
one
hundred
and
twenty-two
one
hundred
and
forty-three
one
thousand（千）
ten
thousand
（一万）
one
million(百万）
a
/one
hundred
million（一亿）
one
billion(十亿）
A
thousand
million.
百位到十位之间要加入
and。
Presentation:
111,121,435,678
↓
↓
↓
billion
十亿
million
百万
thousand
千
读：one
hundred
and
eleven
billion
one
hundred
and
twenty-one
million
four
hundred
and
thirty-five
thousand
six
hundred
and
seventy-eight
逗号读法
朗读时，将每三位数看做一个单位，从右往左依次为thousand千，million百万，billion十亿。每个单位按照百、十、个位向下读，其中百位到十位之间要加入
and。
6，500，431，729
thousand
million
billion
hundred
seven
hundred
and
twenty-nine
six
billion,
five
hundred
million,
four
hundred
and
thirty-one
thousand,
大数字的表达方法
Practice:
98
ninety-eight
125
one
hundred
and
twenty-five
1025
6,671
8,844.43
9,600,000
one
thousand
and
twenty-five
six
thousand
six
hundred
and
seventy-one
eight
thousand
eight
hundred
and
forty-four
point
four
three
nine
million
six
hundred
thousand
读一读
Practice:
Practice:
Listen
and
repeat.
543.7
five
hundred
and
forty-three
point
seven
1
562
one
thousand,
five
hundred
and
sixty-two
6
004
001
six
million,
four
thousand
and
one
7
198
764
502
seven
billion,
one
hundred
and
ninety-eight
million,
seven
hundred
and
sixty-four
thousand,
five
hundred
and
two
973
nine
hundred
and
seventy-three
3
980
three
thousand
,
nine
hundred
and
eighty
98
721
ninety-eight
thousand
,
seven
hundred
and
twenty-one
768
540
seven
hundred
and
sixty-eight
thousand
,
five
hundred
and
forty
Listen
again
and
repeat.
Then
read
the
other
numbers
in
pairs
2
346
780
two
million,
three
hundred
and
forty-six
thousand,
seven
hundred
and
eighty
82
346
580
eighty-two
million,
three
hundred
and
forty-six
thousand,
five
hundred
and
eighty
405
000
000
four
hundred
and
five
million
5
555
555
555
five
billion,
five
hundred
and
fifty-five
million,
five
hundred
and
fifty-five
thousand,
five
hundred
and
fifty-five
Read
the
other
numbers
in
pairs
Warming-up
Let’s
watch
a
video:
A:
What’s
the
population
of
the
world
B:
It’s
about
6.8
billion.
And
it
is
increasing
by
80
million
every
year.
增加，增大
人口
developing
countries
developed
countries
The
population
of
the
world
:
6.8
billion.
The
population
in
developing
countries
is
larger
than
that
in
developed
countries.
发展中国家
发达国家
形容人口多用large/big修饰，形容人口少用small
修饰
China
has
the
largest
population.
too
much
_______
noise
too
many
________
people
[ n kri:s]增加
_________________
is
a
big
problem
in
China.That
causes
a
lot
of
problems
Population
increase
[k :z
]导致
too
much
_________
smoke
/pollution
too
much
________
traffic
Luckily,
China
has
already
carried
out
the
one-child
policy
to
control
the
population.
幸运地
执行，实行
独生子女政策
1b.
Listen
to
1a
and
match
the
information.
1.
the
world
2.
China
3.
India
4.
the
USA
A.
309
million
B.
6.8
billion
C.
1.3
billion
D.
1.1
billion
Listening:
1c
Read
1a
and
fill
in
the
blanks.
The
world
has
a
population
of
6.8
billion
and
it
is
increasing
by
__________
every
year.
_______
has
the
largest
population.
It
has
already
reached
__________
and
India
is
_________
with
1.1
billion.
The
population
in
developing
countries
is
______
and
is
growing
________
than
that
in
developed
countries.
Luckily,
our
country
has
carried
out
the
___________
policy
to
control
the
population.
80
million
China
1.3
billion
second
larger
faster
one-child
Reading:
Reading
Read
1a
again
and
repeat.
K:
Wow!
What
a
large
population!
M:
What
K:
Look,
it
says
the
world
has
a
population
of
6.8
billion.
And
it
is
increasing
by
80
million
every
year.
M:
Mmm,
that’s
really
a
lot.
Which
country
has
the
largest
population
K:
China
has
the
largest
population.
It
has
already
reached
1.3
billion
and
India
is
second
with
1.1
billion.
M:
What’s
the
population
of
the
USA
K:
309
million.
(Kang
kang
is
reading
a
report
on
population
in
the
newspaper.)
Reading
Read
1a
again
and
repeat.
M:
Oh,
I
see.
It
shows
that
the
population
in
developing
countries
is
larger
than
that
in
developed
countries,
doesn’t
it
K:
Yes,
What’s
more,
the
population
in
developing
countries
is
growing
faster.
M:
So
it
is.
The
population
problem
has
become
more
serious
in
developing
countries.
K:
Luckily,
China
has
already
carried
out
the
one-child
policy
to
control
the
population.
Grammar:
Language
points:
1.
What
a
large
population!
population意为“人口”,“居民”，常用形容词large或small来表示人口的多少。
e.g.
China
has
the
largest
population
in
the
world.
中国拥有世界上最多的人口。
注:
常用句式：What’s
the
population
of...
意为“……人口是多少？”
have
a
pupulation
of...
意为“有……人口”
e.g.
China
has
a
population
of
1.3billion.
中国有13亿人口。
Grammar:
Grammar:
population是一个集合名词
（１）population常与定冠词the连用,作主语用时,谓语动词常用第三人称单数形式。例如:
The
population
is
increasing
faster
and
faster.
全世界的人口增长得越来越快
（２）表示人口的\"多\"或\"少\",不用\"much\"或\"little\",而要用\"large\"或\"small\"。例如:
India
has
a
large
population.
印度人口众多。
Singapore
has
a
small
population.
新加坡人口少。
（３）询问某国、某地有多少人口时,不用\"How
much... \",而用\"How
large... \";在问具体人口时用\"What... \"。例如:
How
large
is
the
population
of
your
hometown
你们家乡有多少人口
What
is
the
population
of
Canada
加拿大的人口有多少
Grammar:
Language
points:
2.
And
it
is
increasing
by
80
million
every
year.
increase
v.
(使)增加，（使)增大，增多。
increase
by＋倍数或百分数，表示“增加了……倍或百分之……”。
e.g.
Compared
with
last
year,
our
pay
has
increased
by
three
times.
与去年相比，我们的工资增长了3倍。
increase
to＋具体的增长后的数字，表示“增加到了……”。
e.g.
Our
rice
output
has
increased
to
6
million
tons
this
year.
我们的水稻产量今年增长到了600万吨。
Grammar:
Language
points:
3.
So
it
is.
该结构主要用于加强语气，其意为“的确如此、确实如此”
，表示后者赞同前者的话或意见，只是进一步强调并重复前句所述的内容。前后句的主语指的是同一个人或物。该结构中的助动词
do
根据前文的情况也可换成
is,
am,
are,
was,
were,
does,
did,
can,
could
等。如:
-He
has
done
a
good
job.
他干得不错。
-So
he
has.
他的确干得不错
Grammar:
Language
points:
So
+
be/情态动词/助动词+主语该结构主要用来说明前面所说的情况也同样适用于后面的人或物，[意为“……也一样”]。该结构中的助动词
do
根据前文的情况也可换成
is,
am,
are,
was,
were,
does,
did,
can,
could
等。
如:
He
passed
the
exam,
and
so
did
I.
=He
passed
the
exam,
and
I
passed
the
exam,
too.
但是如果前面所述情况为否定式，则用neither,
nor引出倒装句(此时不能用so)。如:
He
couldn’t
do
it,
and
neither
could
she.
他做不了这事，她也做不了。He
never
comes
late.
Nor
do
I.
他从不迟到，我也从不迟到。
Grammar:
Language
points:
carry
out
实行，进行，执行。
e.g.
It
won’t
be
an
easy
plan
to
carry
out.
那并不是一个容易实施的计划。
e.g.
This
is
a
new
policy,
and
they
will
carry
it
out
next
year.
这是一项新政策，他们将在明年实施它。
4.
Luckily,
China
has
already
carried
out
the
one-child
policy
to
control
the
population.
Grammar:
Language
points:
1、a
report
on
population
in
the
newspaper
2、发展中国家
3、发达国家
4、What’s
more
5、So
it
is
6、carry
out
7、one-child
policy
8、control
the
population
报纸上关于人口的报道
developing
countries
developed
countries
而且，还有，更有甚者
确实如此
执行，采取
独生子女政策
控制人口
Watch
the
flash
of
1a,
Then
act
out
the
dialogue
in
pairs.
Pairwork
A：What
a
large
population
!
The
world
…
6.8
billion.
…
80
million
every
year.
B：Which
country
…
A：China
…
reach…,and
India
…with
….
B：…
the
USA
A：309
million.
B：It
shows
…
developing
countries
…
developed
countries.
A：…is
growing
faster
…
B：So
it
is.
The
population
problem
…
developing
countries
A：China
…
carry
out
…
control
the
population.
Act
out
the
dialog
3
Work
in
groups
and
discuss
the
population
of
the
world.
The
following
chart
and
questions
may
help
you.
1.
Which
of
these
5
countries
has
the
largest/smallest
population
What’s
the
population
of
it
2.
What
can
you
tell
from
the
population
in
developing
countries
and
in
developed
countries
3.
What
problems
does
the
large
population
cause
4.
What
measures
do
you
think
should
be
taken
to
control
the
population
China
has
the
largest
population.
The
population
of
China
is
1.3
billion.
Canada
has
the
smallest
population.
The
population
of
Canada
is
34
million.
The
population
in
developing
countries
is
larger
than
that
in
developed
countries.
The
large
population
may
cause
less
living
space,
more
pollution
and
so
on.
1.
—
______
is
the
population
of
Russia
—
143
million.
A.
How
much
B.
How
many
C.
What
D.
How
2.
There
are
______
students
in
our
school.
A.
three
thousands
B.
three
thousands
of
C.
three
thousand
of
D.
three
thousand
3.
—
Jenny
always
helps
others.
—
______.
A
.
So
is
she
B.
So
she
is
C.
So
does
she
D.
So
she
does
4.
The
population
of
China
is
______
than
that
of
Japan.
A.
larger
B.
more
C.
fewer
D.
less
Exercise:
Choose
the
best
answer.
1.
Some
words:
population,
billion,
increase,
reach,
luckily,
policy,
Russia,
measure
2.
Some
phrases:
increase
by,
developing
countries,
developed
countries,
carry
out,
the
one-child
policy
3.
Some
sentences:
What
a
large
population!
The
world
has
a
population
of
6.8
billion.
So
it
is.
Summary
Homework
1.
Read
and
recite
1a
.
2.Write
a
passage
about
the
current
situation
of
population.
谢谢
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