Unit 7 What's the hinghest mountain in the world Section B 1a-1d 课件（共31张PPT）

(共31张PPT)
英语新目标
八年级下
Section
B
1a-1d
The
Comparative
and
Superlative
Revision
形容词和副词的比较级和最高级
形容词和副词比较级和最高级构成
(规则变化)
单音节词在词尾比较级加-
er或最高级加-
est
以e结尾的词，只需加－r
或－st
以辅音字母加
y
结尾双音节词变
y
为
i
加
–er
或
–est
重读闭音节、末尾只有一个
辅音字母双写加
–er
或
–est
部分双音节和多音节词在原级前加
more
或
most
taller-
tallest
nicer-nicest
happier-happiest
bigger-biggest
more
popular-more
popular
tall
nice
happy
big
popular
　
不规则变化
good
/
well
much
/
many
bad
/
badly
/
ill
little
far
old
–
better
-
best
–
more
-
most
–
worse
–
worst
–
less
–
least
–
farther/
further–
farthest
/furthest
–
older/
elder
–
oldest
/
eldest
1.
good
2.
comfortable
3.
big
4.
happy
5.
cheap
6.
many
7.
difficult
8.
little
better
best
more
～
most
～
bigger
biggest
happier
happiest
cheaper
cheapest
more
most
more
～
most
～
less
least
写出下列单词的比较级和最高级
造句练习
1.世界上最高的山峰是什么？（high）
2.尼罗河是世界上最长的河流。（long）
3.中国是世界上最古老的国家之一。（old）
4.大象比熊猫大。（big）
What
is
the
highest
mountain
in
the
world?
The
Nail
is
the
longest
river
in
the
world.
China
is
one
of
the
oldest
counties
in
the
world.
Elephant
is
bigger
than
panda.
Do
you
know
these
animals?
lion
tiger
whale
polar
bear
elephant
camel
bear
panda
Do
you
like
animals?
What
animals
do
you
like?
Can
you
describe
these
animals
to
us?
Lead-in
Elephant
大象
Huge
Smart
Strong
Fat
Friendly
Baby
panda
熊猫宝宝
Baby
panda
is
much
smaller
than
adult
panda.
Panda
熊猫
Cute
Fat
Lovely
Black
and
white
Pandas
like
eating
bamboos.
Elephant
is
350
cm
tall
weighs
5,000
kilos
eats
150
kilos
of
food
a
day
Try
to
describe
the
elephant
using
the
information
above.
Panda
is
150
cm
tall
(standing
on
two
legs)
weighs
100
kilos
eats
10
kilos
of
food
a
day
Example
sentence:
This
elephant
weighs
many
times
more
than
this
panda.
(200
cm
taller/shorter,
weigh
much
more/less,
eat
much
more/less,
eat
many
times
more)
Compare
facts
about
these
two
animals.
Using
the
language
in
the
box
to
help
you
make
sentences.
1a
“倍数+比较级+than…”，表示“…比…(大/小/长/短…)几倍”。
这个盒子比那个盒子大三倍。
This
box
is
three
times
bigger
than
that
one.
“...倍数+as+形容词/副词的原级+as+…”，表示“…是…几倍”。
“...倍数+比较级+than…”，表示“…比…(大/小/长/短…)几倍”。
她爸爸的年龄是她年龄的二倍。
Her
father
is
twice
as
old
as
she.
Elephant
is
350
cm
tall
weighs
5,000
kilos
eats
150
kilos
of
food
a
day
Panda
is
150
cm
tall
(standing
on
two
legs)
weighs
100
kilos
eats
10
kilos
of
food
a
day
1b
_____100
_____16
_____20
_____50
_____120
_____0.1
_____0.2
_____
150
√
√
√
√
√
Listen
and
check
(√)
the
numbers
you
hear.
1c
Listen
again
and
complete
the
sentences.
1.
At
birth,
a
baby
panda
is
about
____
to
____
kilos.
2.
At
birth,
a
baby
panda
is
about
____
cm
long.
3.
A
baby
panda
is
not
black.
It
is
_______
and
it
has
no
_______.
4.
A
panda
can
live
up
to
_____
to
_____
years.
0.1
0.2
15
pink
teeth
20
30
大熊猫最奇特的一点是新生儿在出生时相当的不成熟，体重仅是它母亲体重的0.1%，平均为145克左右，约为成年的千分之一。照顾孩子是一项非常艰巨的任务，通常历时18个月，有时长达两年，直到她的下一个孩子出生。
1d
Take
turns
telling
your
classmates
about
pandas.
A:
A
baby
panda
cannot
see.
B:
An
adult
panda
weighs
many
times
more
than
a
baby
panda.
Koala
—
is
75
cm
tall
—
weighs
10
kilos
—
eats
leaves
—
sleeps
20
hours
a
day
Here
are
some
facts
about
koala,
using
the
information
below
to
make
sentences.
kangaroo?
—
is
2.6
m
tall
—
weighs
50
kilos
—
eats
plants
—
jumps
4
meters
high
Here
are
some
facts
about
kangaroo,
using
the
information
below
to
make
sentences.
Homework
Review
the
new
words
and
expressions.
2.
Using
the
languages
in
the
box
of
1a
to
make
comparisons
(at
least
10
sentences).
Thanks！
谢谢
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