Unit 7 What’s the highest mountain in the world? Section B（1a-1d）课件（共20张PPT）

(共20张PPT)
Section
B
1a--1d
What's
the
highest
mountain
in
the
world?
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
high-higher-
highest
nice-nicer-nicest
happy-happier-happiest
fat-fatter-fattest
exciting-more
exciting-most
exciting
Revision
　
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
Revision
How
much
do
you
know
about
panda?
Compare
facts
about
these
two
animals.
Use
the
language
in
the
box
to
help
you
make
sentences.
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）
This
panda
is
200
cm
shorter
than
this
elephant.
It
weighs
much
less
than
this
elephant,
too.
This
elephant
eats
much
more
than
this
panda.
It
eats
many
times
more
than
this
panda.
1a
Compare
facts
about
these
two
animals.
Use
the
language
in
the
box
to
help
you
make
sentences.
Elephant
—
is
350
cm
tall
—
weighs
5,000
kilos
—
eats
150
kilos
of
food
a
day
centimeter
/?sent?mi?t?(r)/
↑
Panda
—
is
150
cm
tall
(standing
on
two
legs)
—
weighs
100
kilos
—
eats
10
kilos
of
food
a
day
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。
大象是现存世界最大的陆栖动物，主要外部特征为柔韧而肌肉发达的长鼻和扇大的耳朵，具缠卷的功能，是象自卫和取食的有力工具。象肩高约2米，体重3～7吨。非洲象耳大，体型较大，体重较重。亚洲象耳小，身体较小，体重较轻。
_______100
　_______16
_______20
_______50　
_______
120　_______
0.1
_______
0.2　_______150
√
1b.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
1.
At
birth,
a
baby
panda
is
about…
birth
n.
出生
at
birth
出生时
e.g.
Man’s
nature?at
birth?is
good.
人之初，性本善。
【语境运用】翻译句子。
出生时这个婴儿大约三千克。
At
birth,
the
baby
was
about
three
kilos.
2.
A
panda
can
live
up
to
20
to
30
years.
up
to
到达（数量，程度等）；不多于
【语境运用】翻译句子。
房间里多达20人。
There
are
up
to
twenty
people
in
the
room.
3.
An
adult
panda
weighs
many
times
more
than
a
baby
panda.
“倍数+比较级+than…”“……比……(大/小/长/短……)几倍”
这个盒子比那个大三倍。
This
box
is
three
times
bigger
than
that
one.
4.
An
adult
panda
weighs
many
times
more
than
a
baby
panda.
weigh:
v.
重量是......
;
weight:
n.
重量，分量
对重量提问时，常用句型有：“How
much
do
/
does
/
did
+
主语
+
weigh?”或“How
heavy
be
+
主语?”。
What’s
the
weight
of
the
sheep?
这只羊的重量是多少？
Do
you
know?how
much?it?weighs?
你知道它有多重吗？
5.英语中“倍数”的表达方式：
…
times+形容词/副词的比较级+than
…
这辆小车的速度是那辆卡车的三倍。
The
car
runs
three
times
faster
than
that
truck.
This
hall
is
five
times
bigger
than
our
classroom.
This
rope
is
twice
longer
than
that
one.
一、单项选择。
(
)1.—Linda，you
look
thinner.How
much
do
you
________
now?
—About
50
kilos.
A．develop　B．rise　　C．drop　　D．weigh
(
)2.Becoming
a
father
means
that
he
is
a(n)
________
now.
A．adult
B．gentleman
C．force
D．nature
D
A
(
)3.John
Smith
is
________
of
the
two
young
men.
A．strong
B．stronger
C．the
stronger
D．the
strongest
(
)4.The
Sahara
is
about
210
________
the
Taklamakan，the
largest
desert
in
China.
A．times
as
large
as
B．times
as
larger
as
C．time
as
larger
as
D．times
larger
(
)5.I
know
________
about
this
city
than
you，so
tell
me
some
please.
A．little
B．more
C．less
D．much
C
A
C
(
)6.The
world's
population
is
growing
________
and
there
is
________
land
and
water
for
growing
rice.
A．larger；less
B．larger；fewer
C．more；less
D．more；fewer
(
)7.—Tom
is
six
and
he
is
________
his
sister
Jane.How
old
is
Jane?
—Three.
A．twice
as
old
as
B．as
twice
old
as
C．as
old
as
twice
D．as
old
twice
as
A
A
8.I
don’t
like
to
read
books
in
the
sunshine
because
it’s
not
good
_______my
eyes.
A.at
B.
for
C.
with
D.
to
9.Are
they
than
an
adult
panda?
A.very
smaller
B
a
lot
of
smaller
C
much
smaller
D
smaller
a
lot
10.Her
science
and
English
are
a
little
better
______
Lucy’s.
A.at
B.
in
C.
than
D.
of
11.In
order
to
protect
our
earth,
we
should
use
the
bus
_____and
drive
our
cars
_____.
A.more,
less
B.
less,
more
C.
much,
little
D.
more,
fewer.
12.Her
physics
______
better
than
any
other
students’
A.is
B.
are
C.
do
D.
Does.
13.The
poor
lady
had
to
go
out
for
food____
a
cold
morning.
A.in
B.
at
C.
on
D.
during
B
C
C
D
A
C
Thank
you,everyone!Bye-Bye