Unit 7 What's the highest mountain in the world? Section B 1a-1d 课件(共22张PPT) 2023-2024学年人教版八年级英语下册

(共22张PPT)
人教新目标Go For It八年级英语下册
Unit7 what's the highest mountain in the world SectionB 1a-1d
Language Goal
1.能记住并能运用下列单词及短语:weigh, birth, adult, at birth, up to
2.能正确表达倍数和比较程度
3.能通过听说活动，了解大熊猫及其幼崽
The secret of success is constancy of purpose
新
课
导
入
Do you know these animals
lion
tiger
cat
Baby panda
熊猫宝宝
The secret of success is constancy of purpose
Baby panda is much smaller
than adult panda（成年大熊猫）.
The secret of success is constancy of purpose
6
repeat.
Teacher: Do you have any questions about baby pandas
Boy1: Are they much smaller than an adult panda
Teacher: Yes! When they`re born, they only weigh about 0.1 to 0.2 kilos.
Boy1: 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.
Boy2: 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 150cm long.
Girl1: Is a baby panda also black and white
Teacher: No, you would never guess! A baby panda is pink and it cannot see. It doesn`t have any teeth.
Girl1: How long can pandas live
Teacher: They can live up to 20-30 years.
P105
When it was born
The secret of success is constancy of purpose
1a
1. An adult panda weighs many times more than a baby panda.
“倍数+比较级+than…”
“……比……(大/小/长/短……)几倍”
巩固练习：
这个盒子比那个大三倍。
This box is ________________________that one.
three times bigger than
大象吃的是熊猫的十五倍。
The elephant eats _________________the panda.
15 times more than
知识点讲解
The secret of success is constancy of purpose
新
课
导
入
giraffe
panda
elephant
Cute
Fat
Lovely
Black and white
The secret of success is constancy of purpose
Pandas like eating bamboo .
The secret of success is constancy of purpose
New words
1.centimeter [ s nt mi t ] 厘米
2.adult [ d lt]
n. 成人 adj. 成年的
The secret of success is constancy of purpose
1b
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
出生时
活到
Tips-key words
The secret of success is constancy of purpose
3.weigh [we ] v.称……的重量
重量是……
4.birth [b rθ] n.出生；诞生
at birth意为“出生时”
The secret of success is constancy of purpose
5.up to 意为“到达(某数量程度等); 至多有;
不多于”。
e.g. Now you can get up to 50% off selected items.
现在您可以享受高达50％的精选商品折扣。
The secret of success is constancy of purpose
1c
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.
C: A baby is pink.
D: An adult panda is about 150 cm long.
baby幼儿—babies
adult 1.n. 成年人
2.adj. 成年的
The secret of success is constancy of purpose
Language points
1．This elephant weighs many times more than this panda.　
(1)weigh在此作不及物动词，意为“重……；重量为……”，其名词形式为weight(重量)。对重量进行提问用What do/does sth.weigh？/What's the weight of...？/How heavy is...？
例：What's the weight of the box？这个箱子有多重？
The secret of success is constancy of purpose
拓展 weigh还可作及物动词，意为“称重，称……的重量；权衡”
名词weight 重量，
overweight 超重 lose weight 减肥。
(2)这是一个含比较级的句子，表示“某物是某物的……倍……(大/重/长等)”。
其句型结构为：sth. is＋倍数＋比较级＋than...
注意 本句中的time是可数名词，意为“倍数”。
The secret of success is constancy of purpose
weighed
weight
weighs 5,000 kilos 重5000千克
weigh: vt. “称……的重量”
weight: 不可数名词，“重量，分量”
他称了一下这条鱼。He _______________ the fish.
这只羊的重量是多少？What’s the ___________ of the sheep
减肥 lose weight 增重 put on weight
知识点讲解
巩固练习：
The secret of success is constancy of purpose
A panda can live up to 20 to 30 years.
大熊猫能活到20 至30 岁。
up to: “达到（某数量、程度等）；至多有；接近于”
房间里多达20人。
There are __________ twenty people in the room.
up to
知识点讲解
巩固练习：
The secret of success is constancy of purpose
1. Does China develop _____________ (fast) of all
the countries in the world
2. My brother Jimmy writes ___________________　　　　
(careful) in his class.
3. Which shirt do you like _______________ (good),
the white one or the blue one
4. Tom finishes his work ________________________
(quick) than Jim.
fastest
the most carefully
better
more quickly
一、用括号内所给单词的适当形式填空。
The secret of success is constancy of purpose
这棵树比那棵树高两米。
This tree is two ____________ __________ than that one.
2.这个盒子比那个盒子大三倍。
This box is _________ _________ ________ than that one.
3. 大象比熊猫重许多倍。
An elephant weighs ________ _____ ______ than a panda.
4. 汤姆比迈克吃得少得多。
Tom eats __________ ____________ than Mike.
5.这条河的长度是那条河的五倍。
The river is _______ _______ _____ ______ that one.
meters taller
five times longer than
many times more
much less
three times bigger
二、完成句子。
The secret of success is constancy of purpose
thank you！