八下Unit 7 What's the highest mountain in the world Section B (1a - 1d)(共33张PPT，内嵌音视频)

(共33张PPT)
Unit 7
What's the highest mountain
in the world
Section B (1a - 1d)
2023-2024学年人教版八年级英语（下册）★★
1. To learn the new words and expressions.
cm(=centimeter), weigh, birth, adult, at birth, up to
2. Use comparatives and superlatives to compare facts
about elephants and pandas.
3. Listen for specific information about numbers.
4. Learn to protect animals by using the facts and data.
They are_____ _______.
wild animals
How much do you know about them
Which animal is the symbol of Thailand
Do you know any basic facts about the elephant
cm (=centimeter)
It's the ______ animal on land.
It is ____ cm tall.
It weighs _____ kilos.
It eats ___kilos of food a day.
It always eats _________, plants, and some fruit.
biggest
350
150
5,000
vegetables
Which animal is the symbol of China
Do you know any basic facts about the panda
It's one of the______ species in the world.
It is ____ cm tall (standing on two legs)
At birth, it is only about 0.1 to ____kilos, but an adult one weighs 100 kilos.
It eats __ kilos of food a day.
It always eats _______.
It is a symbol of China.
oldest
150
10
bamboo
0.2
Compare facts about these two animals. Use the language in the box to help you make sentences.
1a
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)
height
weight
behavior
200cm
This elephant is 200 cm taller than this panda.
— is 150 cm tall
— is 350 cm tall
— is 350 cm tall
— is 150 cm tall
height
The elephant is ______ than the panda.
The elephant is ______________________ than the panda.
taller
200 cm(centimeters) taller
表示“A比B大/小..cm/years/kilos” : 基数词+单位词+ 比较级 + than
This elephant weighs much more than this panda.
— weighs 5,000 kilos
— weighs 100 kilos
— weighs 5,000 kilos
— weighs 100 kilos
weight
1.The elephant is much _______ than the panda.
2.The elephant _____ _____ _____ ____ _____ the panda.
3.The elephant _____ _____ _____ ____ ___ ___ the panda. (50)
4.The elephant ____ _________ ______ _____ ___ the panda. (49)
heavier
weighs many times more than
weighs fifty times as much as
weighs fifty times the weight of
weighs forty-nine times more than
倍数表达法
大象比熊猫重(49倍)。
1.The elephant is heavier than the panda.
2.The elephant weighs fifty times as much as the panda.
3.The elephant weighs fifty times the weight of the panda.
4.The elephant weighs forty-nine times more than the panda.
behavior
The elephant eats ______ ______ than the panda.
The elephant eats______ _____ ____ ____the panda.
much more
many times more than
大象吃的和熊猫吃的15倍一样多。
大象吃的比熊猫吃的多14倍。
fifteen times as much as
fourteen times more than
— eats 150 kilos of food a day
—eat 10 kilos of food a day
倍数可以用以下3种方式表示：
(1)……倍数+形容词/副词的比较级(或 more)+than
This rope is ______ _______ than that one.
这根绳的长度是那根绳的三倍。(比那根绳长二倍)
(2)……倍数+as+形容词(或 much)或副词+as
Asia is four times ____________ Europe. 亚洲的面积是欧洲的四倍。
(3)……倍数+the size(length/height/weight...) of
This street is four times the _______ of that street.
这条街是那条街的四倍长。
twice longer
as large as
length
____ 100 ____ 16 ____ 20 ____ 50
____ 120 ____ 0.1 ____ 0.2 ____ 150
How to read the numbers
zero point one
fifty
zero point two
one hundred
sixteen
one hundred
and twenty
twenty
one hundred and fifty
Listen and check(√) the numbers you hear.
____ 100 ____ 16 ____ 20 ____ 50
____ 120 ____ 0.1 ____ 0.2 ____ 150
1b
√
√
√
√
√
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
20
30
teeth
出生时=when it was born
活到......岁
Teacher：Do you have any questions about baby pandas
Boy 1： Are they _____ _______ ____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 _____ ____ ______
more than a baby.
Teacher：That’s right. And the adult pandas weigh _______100 kilos.
Boy 2： What about ___ ____ ___a baby panda How small is it
much smaller than
weighs many times
around
the size of
Listen again and fill in the blanks.
Listen again and fill in the blanks.
Teacher：____ _____, it’s only around 15 cm long, but an adult panda is around 150 cm long.
Girl 1： Is a baby panda also_____ ____ ____
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 ____ ___ ___20 to 30 years.
At birth
black and white
live up to
A baby panda is lovely. When it is born, it is much ________than an adult panda. It _______ about 0.1 to 0.2 kilos, but an adult panda weighs about 100 kilos. At ______, it’s only around ______ long, but an adult panda is around 150 cm long. A baby panda is _____and it can’t see. It also doesn’t have any ______. A baby panda can ___ ____ to 20 to 30 years.
smaller
weighs
birth
15 cm
pink
teeth
live up
Try to retell the conversation.
A Baby Panda
Make a comparison between a baby panda and an adult panda.
A baby panda
An adult panda
Weight
Height
Color
Others
0.1 to 0.2 kilos
about 100 kilos
around 15 cm long
around 150 cm tall
pink
black and white
can’t see,
has no teeth
live up to 20-30 years
Try to make cards for an adult panda and a baby panda. You can use the cards in 1a as examples. Then work in pairs and compare the adult panda with the baby panda.
A baby panda cannot see.
An adult panda weighs many times more than
a baby panda.
Take turns telling your classmates about pandas.
1d
Protect Ya Ya!
We all live on the same earth, every life should be respected. We should try our best to protect animals.
Exercises
I、用所给单词的适当形式填空。
1.He ____________(weigh) the stone in his hand just now．
2.His wife gave ____________(birthday) to a baby boy yesterday．
3.Many ____________(adult) also like playing computer games．
4.The elephant weighs many times _________ (much) than the panda．
5.Town Cinema is ____________(cheap) than Screen City．
6.The size of our school is____________ (two) bigger than theirs.
weighed
birth
adults
more
cheaper
twice
1.那个婴儿生下来重6斤。
That baby weighed 3 kilos ______ _____．
2.一只熊猫能活20到30年。
A panda can _________ _________ _________ 20 to 30 years．
3.这头大象的重量比这头熊猫重许多倍。
This elephant weighs __________ __________ more than this panda．
Exercises
II、根据汉语意思补全句子。
at birth
live up to
many times
Exercises
III. 翻译句子。
刚出生时，熊猫宝宝大约有15公分长。
2. 大象比这个熊猫要重许多倍。
3. 我的书要比妹妹的多三倍。
At birth, a baby panda is about 15 cm long.
The elephant weighs many times more than this panda.
My books are three times more than my sister’s.
Homework
Compare 2 animals you like with the words we have learned today.
Make a poster to protect Ya Ya.
Preview the passage in Section B 2b.
Do the exercises.