(共39张PPT)
人教新目标版
八年级下
Unit
7
What’s
the
highest
mountain
in
the
world?
SectionB1a-1d公开课
Warming-up
Free
talk
Do
you
like
wild
animals?
What's
your
favorite
wild
animal?
Do
you
know
any
basic
facts
about
them?
How
can
we
describe
wild
animals
when
talking
about
them?
How
to
protect
them?
height(高度)
place
weight(重量)
behavior(习性)
food
They
are
cute.
They
are
kind
of
shy.
They
are
black
and
white.
They
like
eating
bamboo.
They
are
known
as
the
national
treasure
of
China.
pandas
Guessing
game
Guess
what
animals
they
like
best.
They
are
big
and
heavy.
They
brown
or
white.
They
have
large
ears
and
ivory.
They
have
long
noses.
They
are
Thailand's
symbols.
elephants
Can
you
say
more
about
elephants
and
pandas?
How
tall...?
How
heavy...?
How
much
food
...
eat
every
day?
height
weight
food
height
n.高度
weight
n.质量;体重
短语：in
weight
在体重方面
How
heavy
be
+
主语?”对重量提问。
Lead-in
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。
Background
属于食肉目、熊科、大熊猫亚科和大熊猫属唯一的哺乳动物，头躯长1.2-1.8米，尾长10-12厘米。体重80-120千克，最重可达180千克，体色为黑白两色，它有着圆圆的脸颊，大大的黑眼圈，胖嘟嘟的身体，标志性的内八字的行走方式，也有解剖刀般锋利的爪子。
Let's
try
to
describe
more.
Elephant
It's
the
biggest
animal
on
land.
It
is
350
cm
tall.
It
weighs
5,000
kilos.
It
eats
150
kilos
of
food
a
day.
It
always
eats
vegetables,
plants,
and
some
fruits.
cm
(=centimeter)
n.
厘米
weigh
v.
重量是......
Lead-in
Panda
It's
one
of
the
oldest
species
in
the
world.
It
is
150
cm
tall
(standing
on
two
legs)
At
birth,
it
is
only
about
0.1
to
0.2
kilos,
but
an
adult
one
weighs
100
kilos.
It
eats
10
kilos
of
food
a
day.
It
always
eats
bamboos.
It
is
a
symbol
of
our
country.
species
n.
物种
birth
n.
出生；诞生
at
birth
出生时
adj.
成年的；成人的
n.
成人；成年动物
Which
one
is
bigger
animal
of
the
two
animals?
Let's
make
a
comparsion.
350
cm
tall
cm=centimeter
厘米
150
cm
tall
This
elephant
is
than
this
panda.
200
cm
taller
这头大象比熊猫高200cm。
This
panda
is
than
this
elephant.
200
cm
shorter
这只熊猫比大象矮200cm。
height
How
tall
is
it?
weighs
5,000
kilos
weighs
100
kilos
This
elephant
weighs
many
times
more
than
this
panda.
weigh
______
_____
______
重许多倍
many
times
more
How
much
does
it
weigh?=How
heavy
is
it
?
This
panda
weighs
much
less
than
this
elephant.
weight
times
n.倍
How
much
food
do
they
eat?
eats
150
kilos
of
food
a
day
eats
10
kilos
of
food
a
day
This
elephant
eats
much
more
than
this
panda.
=This
panda
eats
much
less
than
this
elephant.
eat
______
_____
吃得更多\吃得更少
much
more\less
This
elephant
eats
many
times
more
than
this
panda.
food
This
elephant
weighs
many
times
more
than
this
panda.这只大象比这只大熊猫重很多倍。
①
weigh
此处作不及物动词，意为“重量是……”。
How
much
do
you
weigh?
At
birth,
most
babies
weigh
between
3
and
4
kilograms.
②
weigh
还可作及物动词，意为“称……的重量”。
She
weighed
the
stone
in
her
hand.
③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?”。
其名词形式为weight。常用短语：in
weight在体重方面。
【拓展延伸】weight
作名词，意为“重量；分量”。put
on/gain
weight
表示“增加体重”；lose
weight
表示“减重”。
e.g.
我称了这个盒子，它重20公斤。
e.g.
这个男孩重20公斤。
I
weighed
the
box.
It
weighs
20
kg.
The
boy
weighs
20
kg.＝The
boy
is
20
kg
in
weight.
英语中“倍数”的表达方式：1.表示
“A
比
B
长（宽、高、大、重等）N
倍”时，其结构为“A
＋
be
＋
基数词（N＋1）＋times
＋
形容词比较级
＋
than
＋
B
”。
e.g.
这个大厅比我们的教室大四倍。
e.g.
他跑得比他弟弟快三倍。
This
hall
is
five
times
bigger
than
our
classroom.
He
runs
three
times
faster
than
his
brother.
注意：“两倍”可用twice表示。
2.表示“A
的长度（宽度，高度，大小，重量等）是
B
的
N
倍”，可用
“A
＋
be
＋
基数词（N）＋times
＋
as
＋
形容词原级
＋
as
＋
B”结构。
e.g.
这棵树是那棵树的三倍高。
e.g.
他父亲的年纪有他两倍大。
This
tree
is
three
times
as
tall
as
that
one.
His
father
is
twice
as
old
as
he.
同义句：“A+谓语动词+倍数+the
height
/
weight
/
length
…+of
+
B
”表示“A的高度/重量/长度……是B的多少倍”。
This
tree
is
three
times
the
length
of
that
one.
His
father
is
twice
the
age
of
he.
Example
sentences:
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.
Use
the
language
in
the
box
to
help
you
make
sentences.
1a
Panda
is
150
cm
tall
(standing
on
two
legs)
weighs
100
kilos
eats
10
kilos
of
food
a
day
Elephant
is
350
cm
tall
weighs
5,000
kilos
eats
150
kilos
of
food
a
day
New
drills
What
do
you
think
of
a
baby
panda?
Do
you
have
any
question
about
it?
Answer
the
questions:
1.Is
a
baby
panda
big
or
small
when
it
was
born?
It
is
small.
2.
What
color
is
a
baby
panda
at
birth?
It’s
pink.
3.
What
else
can
you
see?
A
baby
panda
cannot
see
and
it
has
no
teeth/doesn’t
have
a
teeth.
The
growth
process
of
a
panda
a
baby
panda
an
adult
panda
From
to
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。
a
baby
panda
an
adult
panda
adult
成年
At
birth,
the
baby
panda
is
so
small.
出生时
=
when
sb
was
born,
在句中常作时间状语
A
baby
panda
weighs
many
times
less
than
an
adult
panda.
How
much
does
a
baby
panda
weigh
at
birth?
Can
you
read
the
numbers
below?
0.1
100
16
20
50
120
0.2
150
one
hundred
and
twenty
fifty
twenty
one
hundred
one
hundred
and
fifty
sixteen
zero
point
one
zero
point
two
Pre-listening
_____100
_____16
_____20
_____50
_____120
_____0.1
_____0.2
_____
150
√
√
√
√
√
Listen
and
check(√)
the
numbers
you
hear.
1b
At
birth,
a
baby
panda
is
about
______
to
______
kilos.
At
birth,
a
baby
panda
is
about
______
cm
long.
A
baby
panda
is
not
black.
It
is
______
and
it
has
no
______.
A
panda
can
live
up
to
______
to
______
years.
0.1
0.2
15
pink
teeth
20
30
到达（数量、程度等）；至多有；不多于
Listen
again
and
complete
the
sentences.
1c
A
panda
can
live
up
to
20
to
30
years.
up
to
到达（某数量、程度等）；至多有；不多于
其中to为介词，后接名词作宾语。
e.g.
我们学校有多达两千名学生。
e.g.
这位老人能活到九十岁。
There
are
up
to
2,000
students
in
our
school.
The
old
man
can
live
up
to
ninety
years.
注意：up
to还可表示“（体力或智力上）能胜任；适于（做某事）”，后可接名词或动词作宾语。常用于否定句。
Listen
again
and
fill
in
the
blanks.
Teacher:Do
you
have
any
questions
about
?
Boy
1:Are
they
much
than
an
adult
panda?
Teacher:Yes.When
they’re
,they
only
weigh
about
0.1
to
0.2
.
Boy
1:Wow,that’s
small!I
know
an________
panda
weighs
many
times
more
than
a .
Teacher:That’s
right.And
the
adult
pandas
weigh
around
kilos.
baby
pandas
smaller
born
kilos
adult
baby
100
Boy
2:What
about
the
size
of
a
baby
panda?
How
small
is
it?
Teacher:At
______,it’s
only
around
15
cm______,but
an
adult
panda
is
around______
cm
long.
Girl:Is
a
baby
panda
also
______and______?
Teacher:No,you
would
never
guess!
A
baby
panda
is
pink
and
it
cannot
______.It
also
doesn’t
have
any
______.
Girl:How
long
can
pandas
live?
Teacher:They
can______
up
to
20
to
30
years.
see
teeth
live
long
black
white
birth
150
Let's
read.
Teacher：Do
you
have
any
questions
about
baby
pandas?
Boy
1：
Are
they
much
smaller
than
an
adult
panda?
Teacher：Yes.
When
they’re
born,
they
only
weigh
about
0.1
to
0.2
kilos.
Boy
1：
Wow,
that’s
small!
I
know
an
adult
panda
weighs
many
times
more
than
a
baby.
Teacher：That’s
right.
And
the
adult
pandas
weigh
around
100
kilos.
Boy
2：
What
about
the
size
of
a
baby
panda?
How
small
is
it?
Teacher：At
birth,
it’s
only
around
15
cm
long,
but
an
adult
panda
is
around
150
cm
long.
Girl
1：
Is
a
baby
panda
also
black
and
white?
Teacher：No,
you
would
never
guess!
A
baby
panda
is
pink
and
it
cannot
see.
It
also
doesn’t
have
any
teeth.
Girl
1：
How
long
can
pandas
live?
Teacher：They
can
live
up
to
20
to
30
years.
Fill
in
the
blanks
to
retell
the
conversation.
I
think
you
know
a
lot
about
an
______panda.
It
can
___
___
___20
to
30
years.
It
is
black
and
white.
It’s
about
150cm
______when
it
_______on
two
legs.
It
________100
kilos
and
________10
kilos
of
food.
But
it
is
quite
different
from
a
baby
.
An
adult
panda
weighs
many
_______more
than
a
baby.
A
baby
is
only
0.1
to
0.2
kilos
when
it
is______.
It
has
_____
color,
and
it’s
only
around
15cm
long
at______.
How
small
!
What’s
more
,
it
can’t
see
anything,
and
it
doesn’t
have
any
______,
either.
What
a
________they
make!
adult
live
up
to
tall
stands
weighs
eats
times
birth
teeth
difference
born
pink
A
baby
panda
cannot
see.
An
adult
panda
weighs
many
times
more
than
a
baby
panda.
......
1e
Take
turns
telling
your
classmates
about
pandas.
At
birth,
a
baby
elephant
is
about
70
to
113
kilos.
An
elephant
can
live
up
to
60
to
70
years
,even
80
years.
A
baby
elephant
looks
the
same
as
an
adult
elephant.
At
birth,
a
baby
elephant
is
about
100
cm
long.
ELEPHANT
FACTS
We
all
live
on
the
same
earth,
every
life
should
be
respected.
谢谢
21世纪教育网（www.21cnjy.com)
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Unit
7
What’s
the
highest
mountain
in
the
world?
SectionB
1a-1d导学案
【学习目标】
1.学习本课时新单词、短语及句型：
单词：weigh,?birth,
adult
短语：at?birth,
live?up?to
句型：An?elephant?is?350cm?tall?and?weighs?5,000?kilos.?
An?adult?panda?weighs?many?times?more?than?a?baby?panda.
2.巩固用含有数字的事实描述事物，拓展学习更多表示比较的句式。
【教学重难点】
1)
掌握重点单词、短语和重点句子。
2)
学会表达事物之间的倍数关系。
【自主预习】
1.成年熊猫_________________
2.出生时__________________
3.活到
__________________________
4.每天吃10公斤的竹子_______________________________
5.为……做准备
_____________________
6.
这头大象比那头大象重很多倍。
________________________________________________________
初生时,一只熊猫大约0.1到0.2千克。
______________________________________________________________
8.
一只熊猫能活20至30年。
______________________________________________________________
【合作探究】
Activity1a
Compare
facts
about
these
two
animals.
Use
the
language
in
the
box
to
help
you
make
sentences.
e.g.
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)
2.
Discuss
in
pairs.
Compare
the
panda
and
the
elephant.
3.
Do
1a.Make
more
sentences
using
the
information
in
1a.
Activity1b&1c
1.
1b
Listen
and
check
(√)
the
numbers
you
hear.
1c
Listen
again
and
complete
the
sentences.
2.
Practice.
Take
turns
telling
your
classmates
about
pandas.2-1-c-n-j-y
A:
A
baby
panda
can
not
see.
B:
An
adult
panda
weighs
many
times
more
than
a
baby
panda.
3.
语法点：
This
elephant
weighs
many
times
more
than
this
panda.这只大象比这只大熊猫重很多倍。
①
weigh
此处作不及物动词，意为“重量是……”。
How
much
do
you
weigh?
At
birth,
most
babies
weigh
between
3
and
4
kilograms.
②
weigh
还可作及物动词，意为“称……的重量”。
She
weighed
the
stone
in
her
hand.
③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?”。
其名词形式为weight。常用短语：in
weight在体重方面。
【拓展延伸】weight
作名词，意为“重量；分量”。put
on/gain
weight
表示“增加体重”；lose
weight
表示“减重”。
e.g.
我称了这个盒子，它重20公斤。
e.g.
这个男孩重20公斤。
英语中“倍数”的表达方式：
.表示
“A
比
B
长（宽、高、大、重等）N
倍”时，其结构为“A
＋
be
＋
基数词（N＋1）＋times
＋
形容词比较级
＋
than
＋
B
”。
e.g.
这个大厅比我们的教室大四倍。
e.g.
他跑得比他弟弟快三倍。
2）.表示“A
的长度（宽度，高度，大小，重量等）是
B
的
N
倍”，可用
“A
＋
be
＋
基数词（N）＋times
＋
as
＋
形容词原级
＋
as
＋
B”结构。
e.g.
这棵树是那棵树的三倍高。
e.g.
他父亲的年纪有他两倍大。
3.A
panda
can
live
up
to
20
to
30
years.
up
to
到达（某数量、程度等）；至多有；不多于
其中to为介词，后接名词作宾语。
注意：up
to还可表示“（体力或智力上）能胜任；适于（做某事）”，后可接名词或动词作宾语。常用于否定句。
e.g.
我们学校有多达两千名学生。
e.g.
这位老人能活到九十岁。
HYPERLINK
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