Unit 7 Know Our World Lesson 38 The World Is a Big Place教学课件14张

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Unit7
Know
Our
World
Lesson
38:
The
World
Is
a
Big
Place!
How
many
continents
are
there
in
the
world?
What
are
they?
What
do
you
know
about
the
place
where
you
live?
Think
About
It
planet
n.
行星
billion
n.
十亿；千兆
total
n.
总计；总数
adj.
总的；总计的
increase
v.
增加；增大
Indian
adj.
印度的
n.
印度人
Atlantic
n.&adj.
大西洋（的）
Arctic
adj.
北极的
Learn
some
new
words
1.
What
is
the
problem
the
earth
faces?
2.
People
can
live
on
the
seven
continents.
(
)
(判断正误)
3.
How
much
of
the
world
is
covered
with
land?
4.
What
is
largest
part
of
the
ocean
?
The
population
is
increasing
very
quickly.
F
One
third
.
The
Pacific
Ocean.
Listen
to
the
passage
and
then
answer
the
questions.
Let’s
Do
It!
Read
the
lesson
and
match
each
paragraph
with
its
main
idea.
Paragraph1
a.
Six
of
the
seven
continents
are
good
for
people
to
live
on.
Paragraph2
b.
We
should
treat
the
earth
well.
Paragraph3
c.
An
increasing
population
is
a
big
problem
for
the
earth.
Paragraph4
d.
Two
thirds
of
the
earth
is
covered
with
oceans.
Paragraph5
e.
People
cannot
live
everywhere
on
the
earth.
Fill
in
the
blanks
with
the
correct
forms
of
the
words
in
the
box.
increase
dry
surface
billion
total
1.
The
number
of
swimmers
here
is
_________
quickly
because
it’s
very
hot
these
days.
2.
The
school
has
a
______
of
900
students.
3.
I
think
it
may
be
the
_____
season
of
the
year.
4.
The
______
of
our
body
is
skin.
It
protects
us.
5.
How
many
______
of
people
are
there
in
the
world
now?
increasing
total
driest
surface
billions
Match
the
seven
continents
with
their
correct
descriptions.
...,
the
world‘s
population
was
over
7
billion
in
total.
世界上人口总计已超过70亿。
population
意为“人口”，常被看作是一个整体，一般不加s。作主语时，谓语动词要用单数形式。
如：
The
population
of
Germany
is
about
81,000,000.
德国大约有八千一百万人口。
Language
points
(2)
表示“……的人口”可用“the
population
of
+
地名”，也可用“the
population
in
+
地名”，作主语中心词时，谓语动词用单数形式。如：
The
population
of
Canada
is
about
30,000,000.
加拿大的人口是三千万。
表示某国、某城市有多少人口时，还可用...
has
a
population
of
...
结构。如：
The
city
has
a
population
of
30,000.
那座城市有三万人口。
I.
根据首字母或汉语提示，完成单词。
1.
The
biggest
ocean
in
the
world
is
the
P_______Ocean.
2.
Almost
everyone
knows
the
e_____
goes
around
the
sun.
3.
Deserts
may
cover
three
_________
(百分比)
of
the
earth's
surface.
4.
The
population
of
the
world
is
__________
(增长)
quickly.
5.
Hainan
is
the
second-largest
_________
(岛屿)
in
China.
6.
After
half
a
month
at
sea,
we
saw
____(陆地).
land
acific
arth
percent
increasing
island
Exercise
II.
用适当的介词填空。
1.
_____
2025,
the
world
will
have
7.8
billion
people.
2.
Milk
is
good
_________
children.
3.
The
Nile
River
is
the
longest
river
_________Africa.
4.
Which
part
_________
the
world
do
you
live
in?
5.
_________
the
surface
of
the
earth,
there
is
some
dry
land.
On
By
for
in
of
III.
连词成句。
1.
there,
the,
many,
are,
how,
world,
in,
people
___________________________________?
2.
different,
made,
is,
the,
of,
world,
up,
many,
places,
of,
kinds
_____________________________________________.
3.
the,
in,
is,
girl,
to,
he,
red,
pointing
___________________________________.
4.
driest,
the,
continent,
is,
world's,
Antar-ctica
___________________________________.
5.
good,
all,
the,
singing,
not,
are,
children,
at
___________________________________.
Not
all
the
children
are
good
at
singing
How
many
people
are
there
in
the
world
The
world
is
made
up
of
many
different
kinds
of
places
He
is
pointing
to
the
girl
in
red
Antarctica
is
the
world's
driest
continent
Homework
1.
Share
with
your
partner
about
what
you
feel
after
learning.
2.
Finish
the
exercise.
3.
Dscribe
one
planet
you
are
interested
in
in
your
exercise
book.