人教版八年级英语下册Unit 7 What’s the highest mountain in the world？ Section B 1a-1d 课件(共16张PPT ）

(共16张PPT)
人教版英语
Unit 7 What’s the highest mountain in the world
Section B 1a-1d
人教版英语
Pre-class Test
1. 深的deep—shallow(反义词)2. 亚洲Asia (名词)—Asian (形容词)3. 旅游tour (动词)—tourist (名词)旅行者 4. 使惊奇amaze(动词)—amazing/amazed (形容词)5. 实现achieve (动词)—achievement (名词)6. 西南southwest—southwestern (形容词)7. 包括 include—included (过去式)8. 结冰freeze (动词)—freezing (形容词)9. 成功succeed(动词)—success(名词)—successful (形容词)
1. feel free to do　(可以)随便(做某事)2. as far as I know　就我所知3. in the face of　面对(问题、困难等)4. take in　吸入;吞入(体内)5. even though(=even if)　即使;虽然
7. square kilometers　平方公里8. the population of the US　美国的人口9. as big as　和……一样大10. one of the oldest countries 最古老的国家之一11. man-made objects　人造物体12. one of the world’s most dangerous sports世界上最危险的运动之一13. one of the most popular places最受欢迎的地方之一14. run along the southwestern part of China绵延中国西南部分15. risk one’s life　冒着生命危险16. one of the main reasons 主要原因之一17. challenge oneself　挑战自己18. the spirit of　……的精神19. achieve one’s dream　实现梦想20. the forces of nature　自然的力量
Learning goals
1. To learn the new words and expressions.
cm(=centimeter), weigh, birth, adult, at birth, up to
学习新单词及短语。【重点】
2. Listen for numbers.
练习多倍数的表达。【重点，难点】
Lead-in
What’s the video about
panda
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.
It eats 10 kilos of food a day.
It is a symbol of our country.
Pre-listening
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
......的象征
cm (=centimeter) n. 厘米
读: 350 centimeters ; 350cm
v. 重量是
kilo=kilogram 千克，公斤
数词 + kilo(s) of sth. .....公斤的某物
It is 350 cm tall.
It weighs 5,000 kilos.
It eats 150 kilos of food a day.
It can help people do a lot of work.
elephant
v. 重量是
Pre-listening
cm (=centimeter) n. 厘米
weigh 的用法
1. weigh 作动词，意为“重量是……”。
He weighs 40 kilograms. 他重40公斤。
提问重量：How much do/does ... weigh = How heavy is/are ...
How much does he weigh = How heavy is he
2. 作动词，意为“称……的重量”。
She weighed the stone. 她称了一下石头的重量
【拓展】weight 作名词，意为“重量；分量”。
增加体重: put on weight 减重: lose weight
Pre-listening
Compare facts about these two animals. And 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)
很多倍
1. A + 动词 + 倍数(数字+times) + 比较级 + than + B A比B更...多少倍
This table is three times longer than that one. 这个桌子比那个桌子长三倍。
【拓展】
2. A + 动词 + 倍数 + as + 原级 + as + B A是B的几倍（长/宽等）
This table is four times as long as that one. 这个桌子是那个桌子的四倍长。
3. A + 动词 + 倍数 + the + size/length/height + of + B A是B的几倍大/长/高
This table is four times the length of that one. 这个桌子是那个桌子的四倍长。
倍数的表达
Pre-listening
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
Read the following number.
Listen and check (√) the numbers you hear.
1b
While-listening
______ 100 ______ 16 ______ 20 ______ 50
______ 120 ______ 0.1 ______ 0.2 ______ 150
√
√
√
√
√
注意听前读数字，加深印象
Listen again and complete the sentences.
1c
While-listening
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
注意听前读题，预测答案
Listen and Read(P.104)
While-listening
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.
你对熊猫宝宝有任何问题吗
成年大熊猫重约100公斤。
它只有15厘米长
熊猫可以活多久？
它们可以活20到30年
Listen and Read(P.104)
While-listening
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.
adj. 成年的；成人的
n. 成人；成年动物
大约 =around
黑白相间的
你永远猜不到
高达，多达
出生
重量是
出生时
Test
仔细，认真！相信你一定可以完成得很好！加油！
Take a test and see how much you have mastered.
Summary
New words
Expressions
cm weigh(v.i &v.t) birth adult
Comparisons
up to at birth
= centimeter
weight
to make comparisons about the elephant and the panda
how to modify comparatives