Unit 7 What's the highest mountain in the world?Section B 1a-1d 课件(共有PPT18张）

(共18张PPT)
Unit 7. section b. 1a-1d
What’s the highest mountain in the world
Compare facts about these two animals. Use the language in the box to help you make sentences.
1a
Elephant is 350 cm tall.
Elephant weighs 5,000 kilos.
Example sentence:
height
weight
amount food
ability
description words
...
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.)
...times+形容词/副词的比较级+than
...times+as+形容词/副词的原级+as
1.This panda is 200 cm shorter than this elephant.
2.The elephant is much heavier than the panda.
Look and guess
What's this
mouse
puppy
kitten
baby panda
A baby panda is not black and white.
What else do you know about pandas Listen and learn.
Listen and check ( ) the numbers you hear.
____ 100 _____ 16 _____ 20 ____ 50
____ 120 _____ 0.1 _____ 0.2 ____ 150
√
√
√
√
√
√
1b
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.
0.2
0.1
pink
15
20
teeth
30
1c
Listen again and answer the following questions:
1.How heavy are the adult pandas
2.How long are the adult pandas
1.The adult pandas weighs around 100 kilos.
2.The adult pandas is around 150 cm long.
听力原文
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.
Pairwork
1d
For example:
height
weight
size
food
color
Pre-listening
Language points
weigh v. 重量是……；称……的重量
Point1
1. This elephant weighs many times more than this panda. (教材P53 1a)
① weigh 此处作系动词，意为“重量是……”。
How much do you weigh
At birth, most babies weigh between 3 and 4 kilograms.
② weigh 还可作及物动词，意为“称……的重量”。
She weighed the stone in her hand.
【拓展延伸】weight 作名词，意为“重量；分量”。put on/gain weight 表示“增加体重”；lose weight 表示“减重”。
Pre-listening
Language points
倍数 + 比较级 + than
Point2
1. This elephant weighs many times more than this panda. (教材P53 1a)
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.
Exercises
一、单项选择
The road is ________ that one．
A．twice as wider as B．twice as wide as
C．twice so wide as D．wider twice than
Our school is ________ yours．
A．twice bigger than B．bigger twice than
C．twice big than D．many times big than
1
2
B
A
Exercises
二、用所给单词的适当形式填空。
1
2
3
4
5
He ____________(weigh) the stone in his hand just now．
His wife gave ____________(birthday) to a baby boy yesterday．
Many ____________(adult) also like playing computer games．
The elephant weighs many times __________ (much) than the koala．
Town Cinema is ____________(cheap) than Screen City．
The size of our school is____________ (two) bigger than theirs.
weighed
birth
adults
more
cheaper
twice
6
Exercises
三、根据汉语意思补全句子
1
那个婴儿生下来重七磅。
That baby weighed seven pounds__________ __________ ．
一只熊猫能活20到30年。
A panda can _________ _________ _________ 20 to 30 years．
这头大象的重量比这头熊猫重许多倍。
This elephant weighs __________ __________ more than this panda．
2
3
at birth
live up to
many times
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
Teaching goals
(教学目标)
知识与技能：通过呈现大象和熊猫的信息，学习多倍数的比较句式，进一步学习度量的表述。
情感态度：通过了解大熊猫等濒危动物，培养保护小动物的意识。
学习策略：读图汲取信息的策略；激活个人经验与常识的策略；听关键词的策略。
Analysis of Teaching Meterials
（教材分析）
1a：通过图片汲取文本信息，了解大象和熊猫的相关知识。
1b-1c：听力练习。进行两次听力练习，分别聚焦关键词和细节信息。
1d：听力输出，巩固所学。
各环节之间的联系：
呈现新知----听力输入----语言输出
Homework
收集蝴蝶的资料，模仿1d比较毛毛虫和蝴蝶。