资源简介

(共18张PPT)
Sec A 1a-1d
Unit 4 The Wonders of Nature
Open page
What can you see in the
photo？
Victoria Falls
(维多利亚瀑布)
Look and share
A waterfall.
Facts:Zambia/108m high,1708m wide
What other
natural wonders do you know
What place is it
A:Sahara Dessert
B:Angel Falls
C:Nile River
Facts:South America/807m drop
What place is it
A:Sahara Dessert
B:Angel Falls
C:Nile River
Facts:Africa/ the largest desert /9 million km2
What place is it
A:Sahara Dessert
B:Angel Falls
C:Nile River
Facts:Africa/6650km long/the longest
What place is it
A:Mariana Trench
B:Dead Sea
C:Mount Qomolangma
Facts:Pacific Ocean/11,000m deep/
the deepest point
What place is it
A:Mariana Trench
B:Dead Sea
C:Mount Qomolangma
Facts:salty/416m below sea level
What place is it
A:Mariana Trench
B:Dead Sea
C:Mount Qomolangma
Facts:8848.86m above sea level
Look and match
Angel Falls
Dead Sea
Nile River
Mount
Qomolangma
Sahara Desert
Mariana Trench
While-listening
What information do we need to fill in
highest
biggest
lowest
deepest
Listen carefully to the adjectives.
highest
biggest
lowest
deepest
8,848.86
9,000,000
416
11,000
Listen carefully to the numbers.
Summary:
1. Ask the measurement 询问尺寸/测量数据
How high is it 多高？（问高度）
How low is it 多低？（问深度/海拔）
How long is it 多长？ （问长度）
How wide is it 多宽？ （问宽度）
How deep is it 多深？ （问深度）
How big is it 多大？ （问面积）
It's +数词+单位词+high/below sea level/long/wide/deep
/in size.
Try to read the following numbers.
416 8,848.86 11,000 9,000,000
416 →
8,848.86 →
11,000 →
9,000,000 →
four hundred and sixteen
eight thousand, eight hundred and
forty-eight point eight six
eleven thousand
nine million
Tip:Pay attention to the stress on the bold words when reading numbers.
2. How can we read large numbers
5
401
211
587
. 69
5
401
211
587
,
,
,
第一个逗号代表thousand(千),
第二个逗号代表 million(百万),
第三个逗号代表billion(十亿).
thousand
千
million
百万
billion
十亿
five billion,
four hundred and one million,
two hundred and eleven thousand,
five hundred and eighty-seven,
. 69
point+小数
点后逐个读
point
点
point six nine
5
401
211
587
. 69
958
trillion
万亿
There are many amazing natural wonders in the world. Mount Qomolangma is the _______________ in the world. It’s __________ metres high. The Sahara Desert is the ____________ in the world. It’s about ____________ square kilometres in size. The Dead Sea is the ____________ on earth. Its surface is __________ metres below sea level. The Mariana Trench is the ____________ in the ocean. It’s about ________ metres deep.
highest mountain
8,848.86
biggest desert
9,000,000
lowest place
416
deepest point
11,000
TASK 2 Introduction

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