Unit 7 What's the highest mountain in the world? SectionB (1a-1d）课件+嵌入音频(共25张PPT)

(共25张PPT)
Unit 7 What’s the highest mountain in the world
Section B 1a-1d
人教版 英语 八年级下册
Elephant
Pre-listening
Panda
Learning goals
1. Curriculum words: cm(=centimeter), weigh, birth, adult
2. Expressions：at birth, up to
3. Grammar：表示比较的句式——多倍数的表达
4. Listening practice：to listen for numbers.
Pre-listening
0.1
0.2
16
20
50
100
120
150
zero point one
zero point two
sixteen
twenty
fifty
one hundred
one hundred and twenty
one hundred and fifty
Read the following number.
Listen and check (√) the numbers you hear.
1b
While-listening
______ 100 ______ 16 ______ 20 ______ 50
______ 120 ______ 0.1 ______ 0.2 ______ 150
√
√
√
√
√
weigh v. 称重
adult n. 成人
adj. 成年的
New words
meter centimeter
birth n.
出生；诞生
up to
至多有；不多于
Can you imagine
→
→
at birth
baby pandas
adult
Pre-listening
1a
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
Compare facts about these two animals. Use the language in the box to help you make sentences.
Pre-listening
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)
Compared on weight
Pre-listening
On height/weight/food/other facts you know:
————————————————————————————————————————————————————————————————————————————————————————————
Now make more sentences.
This panda is 200 cm shorter than this elephant.
This elephant eats much more than this panda.
…
Here are some facts about koala, use the information above to make sentences.
Discussion
Koala
— is 75 cm tall
— weighs 10 kilos
— eats leaves
— sleeps 20 hours a day
Pre-listening
Language points
倍数 + 比较级 + than
Point
1. This elephant weighs many times more than this panda.
该结构意为“是……（长/宽等）多少倍”，表示倍数。
This table is three times longer than that one.
【拓展延伸】
“倍数 + as + 形容词/副词原级 + as”也表示倍数，意为“是……的几倍”。
This table is three times as long as that one.
Listen again and complete the sentences.
1c
While-listening
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 and fill in the chart
A baby panda An adult panda
Weight
Size
Color
Lifespan（寿命） A panda can live up to
about 0. 1 to 0. 2 kilos
around 100 kilos
around 15 cm long
around 150 cm long
pink
black and white
20 to 30 years.
Take turns telling your classmates about pandas.
1d
A baby panda cannot see.
An adult panda weighs many times more than a baby panda.
Listen and Read.
While-listening
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
While-listening
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.
Exercises
一、单项选择
The road is ________ that one．
A．twice as wider as B．twice as wide as
C．twice so wide as D．wider twice than
Our school is ________ yours．
A．twice bigger than B．bigger twice than
C．twice big than D．many times big than
1
2
B
A
Exercises
二、用所给单词的适当形式填空。
1
2
3
4
5
He ____________(weigh) the stone in his hand just now．
His wife gave ____________(birthday) to a baby boy yesterday．
Many ____________(adult) also like playing computer games．
The elephant weighs many times __________ (much) than the koala．
Town Cinema is ____________(cheap) than Screen City．
The size of our school is____________ (two) bigger than theirs.
weighed
birth
adults
more
cheaper
twice
6
Exercises
三、根据汉语意思补全句子
1
那个婴儿生下来重七磅。
That baby weighed seven pounds__________ __________ ．
一只熊猫能活20到30年。
A panda can _________ _________ _________ 20 to 30 years．
这头大象的重量比这头熊猫重许多倍。
This elephant weighs __________ __________ more than this panda．
2
3
at birth
live up to
many times
Summary
New words
Expressions
cm weigh(v.i &v.t) birth adult
Comparisons
up to at birth
= centimeter
weight
to make comparisons about the elephant and the panda
how to modify comparatives
Homework
Find out some facts about 3 other animals, and make comparisons among them.
Preview the new words and phrases in Section B (P 54-55).
THANKS
谢谢聆听！