(共19张PPT)
Period
1
geography
[d?i??gr?fi]
珠穆朗玛峰
尼罗河
里海
撒哈拉沙漠
landforms
[?l?ndf?:m]
地貌
mountain
river
lake
desert[?dez?t]
Qomolangma
about
9,600,000
square
kilometers
in
size
The
Sahara
1,025
meters
deep
The
Caspian
Sea
6,671
kilometers
long
The
Nile
8,844.43
meters
high
1a.
Match
the
facts
you
know.
geographical[?d?i:?'ɡr?f?kl]
facts
[?t??um?u?lɑ:?m?]
[?k?spi?n]
1,121,435,678
1,121,435,678
billion
million
thousand
one
billion
one
hundred
twenty-one
million
four
hundred
thirty-five
thousand
six
hundred
and
seventy-eight
十亿的读法
1.
Qomolangma
is
________
than
any
other
mountain
in
the
world.
2.
The
Sahara
is
__________
desert
in
the
world.
3.
The
Caspian
Sea
is
__________
of
all
the
salt
lakes.
4.
The
Nile
is
___________
river
in
the
world.
5.
The
Amezon
is
_________________river
in
the
world.
1b.
Listen
and
complete
the
sentences.
higher
the
biggest
the
deepest
the
longest
the
second
longest
What’s
the
highest
mountain
in
the
world?
Qomolangma
It’s
about
8,844.43meters
high.
It’s
_____(high)
than
any
other
mountain.
higher
What’s
the
biggest
desert
in
the
world?
the
Sahara
It's
about
9,600,000
square
kilometers
in
size.
It’s
______(big)
than
any
other
desert.
bigger
What’s
the
longest
river
in
the
world?
The
Nile
It’s
about
6,671
kilometers
long.
It’s
______(long)than
any
other
river.
longer
the
Amazon
It’s__________________river
in
the
world.
the
second
longest
What’s
the
deepest
salt
lake
in
the
world?
The
Caspian
sea
It’s
about
1025
meters
deep.
It’s
_______(deep)
than
any
other
lake.
deeper
V.S.
population
history
area
___________(develop)
country
_________
country
What’s
the
population
of
----?
How
large
is
the
population
of
----?
developing
developed
Which
country
has
the
biggest
population
in
the
world?
China
has
the
biggest
population
in
the
world.
It’s
a
lot
bigger
than
that
of
the
US.
Which
country
has
longer
history?
China
is
one
of
___________(old)
countries
in
the
world.
the
oldest
Which
is
the
biggest
country
in
Asia?
China
is
the
biggest
country
in
Asia
.
It
is
almost
as
____(big)
as
the
US.
big
What’s
the
longest
river
in
Asia?
The
Yangtze
river
It’s
about
6,300
kilometers
long.
It’s
very
important
to
China.
It’s
our
mother
river.
The
Yellow
River
It’s
about
5,464
kilometers
long.
______
The
Yangtze
River
is
about
____kilometers
long
and
the
Yellow
River
is
______
kilometers
long.
____
China
has
the
biggest
population
in
the
world.
It’s
a
lot
bigger
than
the
population
of
the
US.
____
China
is
over
_____
years
old.
It
has
a
much
longer
history
than
the
US.
The
US
is
not
even____
years
old.
____
China
is
almost
as
big
as
the
US,
and
it
is
the
biggest
country
in
Asia.
2a.
Listen
and
number
the
facts
[
1-4]
in
the
order
you
hear
them.
6,300
5,000
5,464
300
2
4
1
3
6,300
5,464
5,000
300
Geographic
facts
地理常识
the
longest
river
(have)
the
biggest
population
the
highest
mountain
the
biggest
country
the
biggest
desert
the
biggest
salt
lake
the
biggest
ocean
the
biggest
continent
1.
the
Nile
2.
the
Amazon
3.
Yangtze
River
Russia
Canada
China
The
Sahara
The
Caspian
Sea
The
Pacific
Ocean
China
6,300
kilometers
long
9.6
million
(百万)
square
kilometers
(km?)
8,848
meters
high
1.3
billion
(十亿)
Qomolangma
Asia
Geographical
facts
地理常识
the
longest
river
(have)
the
biggest
population
the
highest
mountain
the
biggest
country
the
biggest
desert
the
biggest
salt
lake
the
biggest
ocean
the
biggest
continent
1.
the
Nile
2.
the
Amazon
3.
Yangtze
River
Russia
Canada
China
The
Sahara
The
Caspian
Sea
The
Pacific
Ocean
China
6,300
kilometers
long
9.6
million
(百万)
square
kilometers
(km?)
8,848
meters
high
1.3
billion
(十亿)
Qomolangma
Ask
and
answer
-
What
is
the
longest
river/the
biggest
country
in
the
world?
……
-
Which
country
has
the
biggest
population?
Asia