Unit 7 What's the highest mountain in the world? Section B 1a-1d课件2(共20张PPT)022-2023学年人教版八年级英语下册

(共20张PPT)
Unit 7 What’s the highest mountain in the world
SectionB 1a-1d
Teaching and learning aims:
通过本课的学习，同学们将能：
在语境中听懂、认读、理解运用下列词汇：centimeter, weigh, birth,
at birth, up to, adult
2. 通过导入环节中大象和熊猫的对比，再现比较级和最高级，以及理解
many times more than的用法；
3. 通过1b1c听力练习，能听懂baby panda 和adult panda，各方面的对比；
4. 通过听后练习，能从weight, color, size, age 等各方面进行复述，
并且能根据听力材料内容描写其他动物进行语言输出；
5. 通过听力材料，提高同学们对于保护濒危野生动物的意识。
单词讲解：
1. ocean
2. the Pacific Ocean
3. cm(=centimeter)
4. weigh
5. birth
6. at birth
7. up to
8. adult
1.n. 大海；海洋
2.n. 太平洋
3.厘米
4.v. 重量是；称…的重量
5.n.出生；诞生
6.出生时
7.到达（某数量；程度等）；至多有；不多于
8.adj. & n.成年的；成人，成年动物
weight
birthday 生日
lose weight 减肥
put on weight 增重
be up to sb.
由某人决定
Do you know
Elephant
—is 350 cm tall
—weighs 5,000 kilos
—eats 150 kilos of food a day
Try to describe the elephant using the information above.
Do you know
Elephant
—is 350 cm tall
—weighs 5,000 kilos
—eats 150 kilos of food a day
The elephant is 350 cm tall.
The elephant weighs 5,000 kilos.
The elephant 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
Try to describe the panda using the information above.
Panda
— is 150 cm tall (standing on two legs)
— weighs 100 kilos
— eats 10 kilos of food a day
The Panda is 150 cm tall.
The Panda can stand on two legs.
The Panda weighs 100 kilos.
The Panda eats 10 kilos of food a day.
Free talk
Could you compare the elephant and the panda ( from the height/weight/food)
Make a comparison: Height(身高)
150cm tall
The elephant is taller than the panda.
The elephant is 200cm taller than the panda.
The panda is shorter than the elephant.
The panda is 200cm shorter than the panda.
Free talk
350cm tall
weighs 100 kilos
weight(体重)
The elephant weighs more than the panda.
The panda weighs less than the elephant.
weighs 5000 kilos
The elephant weighs fifty times more than the panda
eats 10 kilos a day
food
The elephant eats more than the panda.
The panda eats less than the elephant .
The elephant eats much / 15 times more than the panda.
eats 150 kilos a day
Listen and check ( ) the numbers you hear.
_____100 _____ 16 _____ 20 _____ 50
_____ 120 _____ 0.1 _____ 0.2 _____ 150
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.
1c
0.1
0.2
15
pink
teeth
20
30
Listen and repeat.Teacher: Do you have any questions about baby pandas Boy1: Are theymuch smallerthan an adult panda Teacher: Yes! When they`re born, they onlyweighabout 0.1 to 0.2 kilos.Boy1: Wow, that`s small!I know an adult panda weighsmany times morethan a baby.Teacher: That`s right. And the adult pandas weigharound100 kilos.Boy2: What about the size of a baby panda How small is it Teacher:At birth, it`s onlyaround15 cm long, but an adult panda is around 150cm long.Girl1: Is a baby panda alsoblack 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 canliveup to20-30 years.P105When it was born1. 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
weighed
weight
2. 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：
3. 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：
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。
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。
thank you！