(共22张PPT)
Unit 7 Section B (1a-1e)
人教版八年级下册
Content
Learning objectives
01
Lead-in
02
Presentation
03
Listening
04
Summary
05
Homework
06
目录
Learning objectives
After learning this lesson, you can:
1. To learn to use comparatives to compare facts about elephants and pandas.
This panda is 200 cm shorter than this elephant.
2. To listen for specific information about numbers.
3. To be able to talk about pandas.
Lead-in
What animal does the video talk about
Lead-in
What do you think of elephants
smart
big
……
What do you think of pandas
clever
cute
lazy
Lead-in
What do you think of elephants
food
When we talk about animals, what things do we usually talk about
living place
behavior(习性）
weight
appearance
……
Presentation
Let’s describe the animals.
1a
Elephant
is 350 cm tall
weighs 5,000 kilos
eats 150 kilos of food a day
A: How tall ...
B: It is ...
A: How heavy ...
B: It weighs ...
A: How much food ...
B: It eats ...
It is 350 cm tall.
It weighs 5,000 kilos.
It eats 150 kilos of food a day.
Presentation
Let’s describe the animals.
1a
A: How tall ...
B: It is ...
A: How heavy ...
B: It weighs ...
A: How much food ...
B: It eats ...
Panda
is 150 cm tall
(standing on two legs)
weighs 100 kilos
eats 10 kilos of food a day
It is 150 cm tall (standing on two legs)
It weighs 100 kilos.
It eats 10 kilos of food a day.
Practice
Let’s compare.
1a
This elephant weighs more than this panda.
This elephant eats more than this panda.
200 cm
much
This elephant is
taller than this panda.
49 times
many times
14 times
much
350 cm
150 cm
height
weight
Amount
of food
5000 kilos
100 kilos
= 100×50
10 kilos
150 kilos
height
The panda is ... cm/ ... shorter than ...
The panda weighs ... kilos/ ... times/ ... less than ...
The panda eats ... kilos/ ... times/ ... less than ...
Adult elephant:
- is 350 cm tall
- weighs 5,000 kilos
- eats 150 kilos of food a day
Adult panda:
- is 150 cm tall
(standing on two legs)
- weighs 100 kilos
- eats 10 kilos of food a day
Listening
1b
Read the numbers.
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
Listening
1b
Listen and check the numbers you hear.
______ 100 ______ 16 ______ 20 ______ 50
______ 120 ______ 0.1 ______ 0.2 ______ 150
√
√
√
√
√
Listening
1c
Listen again and complete the sentences.
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
Listen and repeat.
.
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.
Listen and repeat.
.
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.
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，直到母亲的下一个孩子出生。
Post-listening
1d
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.
…
Self-check
1. Complete the chart.
Adjectives Comparatives Superlatives
high
dangerous
long
popular
higher highest
more dangerous most dangerous
longer longest
more popular most popular
Self-check
2. Match verbs and objects. Then add one more object to each list.
Verbs Objects
1. reach a. my life, my money, ______________
2. achieve b. the top of a mountain, the library,
____________________________
3. risk c. my dream, success, ______________
the theater
good results
my health
Self-check
3. Circle the correct word and/or fill in the blank with the correct form of the word in brackets for each sentence.
1. An elephant weighs (few / many) times more than a dog.
2. An adult panda can eat (much / a little) more than a cat.
3. Canada is a (little / lot) less ________(crowded) than China.
4. A tiger is (much / a little) ________(strong) than a man.
crowded
stronger
Summary
Homework
Recite the useful expressions.
Role play the conversation in 1b.
谢谢
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