(共31张PPT)
人教新目标版 八年级下册
Unit 7 What’s the highest mountain in the world.
Section B 1a-1d
Learning objectives
Knowledge objectives:
1. 熟练掌握以下词汇和短语
centimeter/centimetre; weigh; birth; at birth; up to; adult; live up to; kilo; take turns doing sth.
2. 熟练掌握以下句型
1. This elephant weighs many times more than this panda.
2. They can live up to 20 to 30 years.
3. What about the size of a baby panda
Skill objectives:
1. 能掌握本课时重点词汇和句型，运用数字对事物进行描述。
2. 通过听说训练，进—步掌握速记、关注关键词等听力策略。
3. 习表达事物之间的倍数关系，正确运用程度副词修饰比较级。
Cultural awareness objectives:
增加同学们对国宝大熊猫与小熊猫的不同之处的了解, 激发学生热爱动物的思想。
Thinking quality objectives:
培养学生热爱大自然的情操，引导同学们传播中国文化。
New words
CM
weigh/we /
birth/b (r)θ/
at birth
up to
adult/ d lt/
(=centimeter/centimetre)
v.重量是…;称…的重量
n.出生;诞生
出生时
到达(某数量;程度等);至多有;不多于
adj.成年的;成人的 n.成人;成年动物
Read and repeat.
Lead in
Do you like wild animals
What's your favorite wild animal
Do you know any basic facts about them
How can we describe wild animals when talking about them
How to protect them
height(高度)
place
weight(重量)
behavior(习性)
food
Let’s try to describe these animals.
Elephant
It’s the biggest animal on land.
It is 350 cm tall.
It weighs 5,000 kilos.
It eats 150 kilos of food a day.
It always eats vegetables, plants, and some fruits.
It can help people do a lot of work.
cm (=centimeter) n. 厘米
weigh v. 重量是......
weight (n.)重量
in weight在体重方面
Panda
It's one of the oldest species in the world.
It is 150 cm tall (standing on two legs)
At birth, it is only about 0.1 to 0.2 kilos, but an adult one weighs 100 kilos.
The panda is 150 cm tall when it is standing on two legs.
It eats 10 kilos of food a day.
It always eats bamboos.
It is a symbol of our country.
species n. 物种
birth n. 出生；诞生 at birth 出生时
adj. 成年的；成人的 n. 成人；成年动物
Look at two animals in 1a and compare facts about these two animals.
The elephant is ________ than the panda.
The elephant weighs ______ ______ ______than the panda.
many
times more
The elephant eats _________ _____ _____ than the panda.
many
times more
many times more than“比……多很多倍”
taller
Summary
例：大象比熊猫重好多倍。
例：这只狗比那只猫重5倍。
例：他跑得比他弟弟快三倍。
“A比B……多少倍”
“A+谓语动词+倍数+形容词/副词的比较+than+B”
An elephant weighs ______ ______ ______than a panda.
This dog weighs ______ ______ ______ ______ that cat.
He runs ______ ______ ______ ______ his brother,
many times more
five times more than
three times faster than
Pre-listening
1a
Compare 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
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)
Compared on weight
Compare facts about these two animals.
Height
350 cm tall
150 cm tall
This elephant is 200 cm ______ ______ this panda.
This panda is 200 cm ______ ______ this elephant.
taller than
shorter than
数词+计量单位+比较级+than
Weight
5,000 kilos
100 kilos
This elephant weighs ______ ______ than this panda.
This panda weighs ______ ______ than this elephant.
much more
much less
much+比较级+than: …得多
1：much/a lot/far+比较级:
…得多(比较差距大)
2：a little/ a bit+比较级:
…点儿，稍微…(比较差距小)
3：even+比较级:甚至…
Compare facts about these two animals.
Compare facts about these two animals.
Food
150 kilos of food a day
10 kilos of food a day
This elephant eats ______ ______ ______ than this panda.
This panda eats ______ ______ than this elephant.
many times more
15 times more
much less
倍数+比较级+ than
Read the following number.
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
1b
Listen and check (√) the numbers you hear.
______ 100 ______ 16 ______ 20 ______ 50
______ 120 ______ 0.1 ______ 0.2 ______ 150
√
√
√
√
√
Tips: When you are listening to the tape, it is a good way to pay attention to numbers in the dialogue.
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
到达（数量、程度等）；至多有；不多于
live up to……years old 活到……岁
Tips: Find out the key words.
Tapescripts
Listen and read abloud on P104.
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.
Fill in the blanks.
A baby panda is lovely. When it is born, it is much ________than an adult panda. It _______ about 0.1 to 0.2 kilos, but an adult panda weighs about 100 kilos. At ______, it’s only around
______ long, but an adult panda is around 150 cm long. A baby panda is pink and it _____ see. It also doesn’t have any ______. A baby panda can _____ ____ to 20 to 30 years.
smaller
weighs
birth
15 cm
can’t
teeth
live
up
1d
Post-listening
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.
Game
True of False
An adult panda is ten times longer than a baby panda.
True. At birth, a panda’s only around 15 cm long, but an adult panda is around 150 cm long.
bady panda
adult panda
weight
size
color
pink
others
1：A baby panda weighs ____________ than an adult panda.
2：An adult panda is ____________ longer than a baby panda.
3：A baby panda is pink, while an adult panda is blank and white.
4 ：...
0.1 to 0.3 kilos
about 100 kilos
around 15 cm long
around 150 cm long
black and white
can’tsee, no teeth
live up to 20-30 years
Summary
1. 出生时： at birth
2. 活到……年： live up to……years
3. 轮流做某事： take turns doing sth
4. 双腿站立： stand on two legs
5. 成年熊猫： an adult panda
6. 熊猫宝宝的大小： the size of a baby panda
7. 重 5,000 千克： weigh 5,000 kilos
8. A比B重很多倍： A weighs many times more than B
Language points
This elephant weighs many times more than this panda. (教材P53 1a)
weigh动词，意为“重量是……；称……的重量”。 表示“重重是……”时，是连系动词。
eg：－How much does it weigh 它有多重？
－It weighs 5,000 kilos 它重5000千克。
表示“称……的重量”时，是及物动词。
eg：He weighed the elephant. 他称了这只大象。
weight不可数名词，意为“重量；体重”。
eg：What's the weight of the elephant 这头大象的重量是多少？
2. This elephant weighs many times more than this panda. (教材P53 1a)
“A+谓语动词+倍数+形容词/副词的比较级+ than + B”，表示“A比B……多少倍”
eg：The car runs twice faster than that truck.
这辆小汽车的速度比那辆卡车快一倍。
“A+谓语动词+倍数+ as +形容词或副词的原级+ as+ B”，表示“A是B的多少倍”。
eg：This big stone is three times as heavy as that one.
这块大石头的重量是那块的三倍。
My brother’s height is twice as tall as me. 我哥哥的身高是我的两倍。
“A+谓语动词+times+ more +名词（可数或不可数）+than+ B”,表示 “A是B的多少倍”。
eg：There are five times more books in our library than in yours.
我们图书馆里的书比你们图书馆的书多四倍。
There is three times more water in your bowl than in mine.
你碗里的水比我碗里的水多3倍。
3. At birth, a baby panda is about ______ to ______ kilos.(教材P53 1c)
birth作名词，意为“出生；诞生；分娩；出身；门第”；at birth意为“出生时”。常用短语为：give birth (to sb./sth.) 生孩子；产仔。
eg：At birth, a baby panda is about 0. 1 to 0. 2 kilos.
出生时，一只大熊猫幼崽大约到生2千克重。
The baby weighed three kilos at birth. 那个婴儿出生时体重为3千克。
Mary gave birth to a healthy girl. 玛丽生了个健康的女婴。
4. A panda can live up to ______ to ______ years.(教材P53 1c)
up to此处意为“到达（某数量、程度等）；至多有，不多于”。
eg：A panda can live up to 20 to 30 years. 一只熊猫能活20到30岁。
I can take up to four people in my car. 我的汽车最多能带四个人。
up to的其他含义：
直到；不多于；不迟于
eg：Up to now he has been very quiet. 到目前为止，他一直很安静。
胜任
eg：She’s not up to the job. 她胜任不了那项工作。
Homework
1. Do the exercises in students’ book.
2. Read and recite the words and phrases in Section B (1a-1d).
3. Preview the passage in Section B 2a-2e.
谢谢
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