(共19张PPT)
Unit 7 What’s the highest mountain
in the world (Section B 1a-1d)
人版版八年级下册
Learning objectives
Learn the words and expressions:
cm(=centimeter), weigh, birth, adult, at birth, up to.
Compare facts about elephants and pandas by
using comparatives and superlatives.
Listen for specific information about numbers.
Warming up
Read the following 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
350
5,000
10
three hundred and fifty
five thousand
ten
Presentation
Try to describe the elephant using the information
It is 350 cm tall.
It wights 5,000 kilos.
It eats 150 kilos of food a day.
Elephant
is 350 cm tall
weighs 5,000 kilos
eats 150 kilos of food a day
cm (=centimeter) n. 厘米
weight n. 重量
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 wights 100 kilos.
It eats 10 kilos of food a day.
Compare facts about these two animals. Use the language in the box to help you make sentences.
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
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)
More example sentences:
● This elephant is 200 cm taller than this panda.
● This panda is 200 cm shorter than this elephant.
● This elephant eats much more than this panda.
● This panda eats much less than this elephant.
可分别用两种动物作主语
该结构意为“是……（长/宽等）多少倍”，表示倍数。
13
Listening
Listen and check (√) the numbers you hear.
1b
______ 100 ______ 16 ______ 20 ______ 50
______ 120 ______ 0.1 ______ 0.2 ______ 150
√
√
√
√
√
Listen again and complete the sentences.
1c
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
birth n. 出生；诞生 at birth 出生时
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
Listen and Read.
adj. 成年的；成人的 n. 成人；成年动物
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.
Pair work
Take turns telling your classmates about pandas.
1d
A: A baby panda cannot see.
B: An adult panda weighs many times more than a baby panda.
Try to make cards for adult panda and baby panda. You can use the cards in 1a as examples. Then work in pairs and compare the adult panda and baby panda.
14
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】
① “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.
② “倍数 + the size/length/height + of …”意为“……是……的几倍大/长/高”。
This table is three times the length of that one.
7
Language points
1. This elephant weighs many times more than this panda.（教材Ｐ53，1a）
这头大象比这只熊猫重很多倍。
倍数 + 比较级 + than
【拓展】
be up to 由……决定
e.g. Whether to go or not is up to you.
去还是留由你决定。
2. A panda can live up to 20 to 30 years. ( 教材Ｐ53，1c )
熊猫最多能活20到30年。
up to 到达（数量，程度等）；至多有；不多于
e.g. Up to two hundred people were on board the ship.
有将近200人搭乘了这艘船。
Exercise
1. A cow __________(weigh) many times than a sheep.
2. The twins are __________(adult) now and they should do things
by themselves.
3. The baby weighed three and a half kilograms at _______(birthday).
4. My books are three times __________(many) than my sister’s.
weighs
adults
一、用所给单词的适当形式填空。
birth
more
Summary
New words
Sentences
cm weigh(v.i &v.t) birth adult
up to at birth
= centimeter
weight
to make comparisons about the elephant and the panda
Expressions
Homework
1. Preview the article in 2b.
2. Find out some facts about 3 other animals, and make
comparisons among them.
3. Search for more information about pandas online and try to
describe a panda in your words.
谢谢
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