(共30张PPT)
Unit 7
What’s the highest mountain
in the world
Section B 1a~1d
人教八年级下
通过本课的学习,学生能够:
①通过对比熊猫和大象的事实信息,在语境中学习新的词汇和短语。
②能够学会形容词和副词的比较级的倍数表达,学会描述事物之间的倍数关系。
②通过对稀有动物的了解,树立保护动物的意识,热爱并保护濒危动物。
Learning Goals
Do you know any basic facts about the elephant
Warming Up
cm (=centimeters)
It’s animal on land.
It is cm tall.
It 5,000 kilos.
It kilos of food a day.
It always eats .
the biggest
350
eats 150
weighs
vegetables,plants and some fruits
Do you know any basic facts about the panda
It’s one of
in the world.
It is cm tall.
, it is only about 0.1 to 0.2 kilos, but an adult one weighs 100 kilos, is 150cm tall.
It eats of food a day.
It always eats .
It is
China.
the oldest
species
a symbol
of
150
10 kilos
bamboos
At birth
What can we describe when we talk about wild animals
height
weight
behavior
pare facts about these two animals. Use the language in the box to help you make sentences
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
cm (=centimeter) n. 厘米
/ we /v. 重量是......
Pre-listening
Example sentence:
This elephant weighs many times more than this panda.①
(200 cm taller/shorter, weigh much more/less, eat much more/less, eat many times more)
It’s your turn to make some sentences.
On height/weight/food/other facts you know:
———————————————————————————————————————————————————————————————
This panda is 200 cm shorter than this elephant.
This elephant eats much more than this panda.
…
Here are some numbers. Try to read them.
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
While-listening
1b. Listen and check (√) the numbers you hear.
______ 100 ______ 16 ______ 20 ______ 50
______ 120 ______ 0.1 ______ 0.2 ______ 150
√
√
√
√
√
1c. Listen again and complete the sentences.
1. At birth, a baby panda is about ______ to ______ kilos.②
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
到达(数量、程度等)
出生时
Tapescript
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
/ d lt/adj.成年的
Teacher: At birth, it’s only around 15 cm long, but an adult panda is around 150 cm long.
Girl: 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: How long can pandas live
Teacher: They can live up to 20 to 30 years.
不,你绝对猜不到!
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.
Post-listening
Koala
— is 75 cm tall
— weighs 10 kilos
— eats leaves
— sleeps 20 hours a day
Here are some facts about koala and kangaroo, using the information below to compare.
kangaroo
— is 2.6 m tall
— weighs 50 kilos
— eats plants
— jumps 4 meters high
Free talk
Key Phrases
出生时 ______________________
到达(数量、程度等) ______________________
不,你绝对猜不到! ______________________
at birth
up to
No, you would never guess!
1. This elephant weighs many times more than this panda.
(1) weigh v. 有……重;称重量,量体重(通常用磅秤)
e.g. How much do you weigh (= how heavy are you) 你体重多少?
Lucy weighs 60 kilos. 露西体重为60公斤。
William weighed himself on the bathroom scales. 威廉用浴室磅秤称体重。
weight n. 重量;分量
e.g. It is about 76 kilos in weight . 这东西重约76千克。
Language Points
Bananas are sold by weight. 香蕉按重量出售。
【拓展】put on/gain weight 意为“增加体重”;lose weight 意为“减重”。
(2) many times more than
“倍数 + 比较级 + than”意为“是……(长/宽等)的……倍”,表示倍数。
e.g. This rope is three times longer than that one.
这根绳子是那根的三倍长。
【拓展】
①“倍数 + as + 形容词/副词原级 + as”也表示倍数,意为“……是……的几倍”。
e.g. This rope is three times as long as that one.
这根绳子是那根的三倍长。
② “倍数 + the + size/length/height... + of ...”意为“……是……的几倍大/长/高”。
e.g. This rope is three times the length of that one.
这根绳子是那根的三倍长。
Instant Training
1. 智能垃圾桶可以称食物的重量。
The smart bin can _______ the food.
2. 这本字典比那本恰好贵5倍.
The dictionary is exactly _____ ______ more expensive than that one.
3. 这棵树是那棵树的三倍高.
This tree is three times ____ tall ____ that one.
4. 地球的体积是月球的49倍。
The earth is 49 times _____ _____ ____ the moon.
weigh
five times
as as
the size of
2. At birth, a baby panda is about 0.1 to 0.2 kilos.
birth n. 出生;诞生
① at birth 意为“出生时”,常用作时间状语。其中,birth作不可数名词,意为“出生;诞生”。
e.g. The baby weighed three kilos at birth. 婴儿出生时体重为三公斤。
② date of birth 意为“出生日期”。
e.g. The registration form showed his date of birth as August 2, 1979.
登记表上显示他的出生日期是1979年8月2日。
③ give birth (to sb./sth.) 生孩子;产仔
e.g. Mary gave birth to a healthy baby girl.
玛丽生了个健康的女婴。
Some couples are willing to give birth to a third child.
有些夫妇愿意生三胎。
1. 瑞秋出生时体重为三公斤。
Rachel weighed three kilos __________.
2. 上个月琳达生了一个健康的婴儿。
Linda _______________ a healthy baby last month.
at birth
gave birth to
Instant Training
Exercises
一、用方框中所给词的适当形式填空。
1. The tomatoes two kilos.
2. As an , you shouldn’t make a decision like a child.
3. Where is your place
4. The has a long nose.
5. Look! The dog is on two legs.
weigh
adult
birth
elephant
standing
stand, elephant, adult, birth,weigh
二、用画线部分的反义词的适当形式填空。
1. That box isn’t the smallest. It’s the .
2. In our class, Jane is the youngest. But Lucy is the .
3. My pen is the shortest, but his pen is the .
4. Mikes English is the best, but Tom’s English is the .
5. Is the cloud thin or
largest/biggest
oldest
longest
worst
thick
三、根据上句完成下句,使上下句意思相同或相近,每空一词。
1. Sally is older than I.
I am Sally.
2. The baby looked very strange when it was born.
The baby looked very strange .
3. Even if I worked so hard. I still didn’t pass the exam.
I worked so hard, I still didn’t pass the exam.
younger than
at birth
Even though
4. Kate runs faster than I.
I run Kate.
5. It is the largest city in China.
It is city in China.
don’t as fast as
larger than any other
1.Listening and Speaking: Learn the expression of measurement through the description of baby panda.
2.Key words and expressions: cm(=centimeter), weigh, birth, adult, at birth, up to.
Summary