Unit 7 What's the highest mountain in the world Section A 1a—2d 课件（共21张PPT）人教新目标(Go for it)版八年级下册

(共21张PPT)
Unit 7 What’s the highest mountain in the world （Section A 1a-2d）
年 级：八年级
学 科：初中英语（人教版）
Learning objectives（学习目标）
By the end of this class, we will be able to:
compare facts and express large numbers;
talk about geography and nature;
use comparatives and superlatives
with adjectives ;
Let’s think.
important geographical facts
Let’s look .
the longest River
the biggest Desert
the deepest Salt Lake
the highest Mountain
Qomolangma
['t um u lɑ: m ]
the Sahara
[ s 'hɑ:r ]
Qomolangma is the highest mountain in the world.
The Sahara is the biggest desert in the world.
Let’s say .
the Caspian Sea
['k spi n]
the Nile
[nail]
The Caspian Sea is the deepest of all the salt lakes.
The Nile is the longest river in the world.
Let’s say .
Let’s match .
Qomolangma A. about 9,600,000 square kilometers in size
the Sahara B. 1,025 meters deep
the Caspian Sea C. 6,671 kilometers long
the Nile D. 8,848.86 meters high
Tips:Pay attention to the key words.(adj. etc.)
Let’s learn .
123456789.12
从小数点开始，从右往左数，每3个数用逗号隔开。
,
,
百位和十位之间加and，若十位为0，and不能省略, 若百位为0，千位和十位之间加and, 小数点后面按单个数字读。
point
thousand
million
123,456,789.12
point
______ hundred and __________,
point _____ ______
eighty-nine
seven
one
Let’s have a try
two
123,456,789.12
point
thousand
point one two
seven hundred and eighty-nine,
_________________________
thousand
four hundred and fifty-six
Let’s have a try
123,456,789.12
point
thousand
million
point one two
seven hundred and eighty-nine,
four hundred and fifty-six thousand
__________________________
million
one hundred and twenty-three
Let’s have a try.
8848.86 m
Let’s describe.
It is eight thousand eight hundred and forty-eight point eight six meters high.
It’s one thousand and twenty-five
meters deep.
1025 m
How high is Qomolangma
How deep is the Caspian Sea
6,671 km
It’s six thousand six hundred
and seventy-one kilometers long.
about 9,600,000 km
It’s about nine million six hundred
thousand square kilometers in size.
square [skwe (r)] kilometers
km
How long is the Nile
Let’s describe.
Qomolangma is ______ than any other mountain in the world.
The Sahara is _________ desert in the world.
The Caspian Sea is _________ of all the salt lakes.
The Nile is _________ river in the world.
higher
the biggest
the deepest
the longest
the highest mountain
比较级+than any other +单数名词=the+最高级
Let’s listen and complete
Let’s listen and number the facts.
The Yangtze River is about ______ kilometers long and the Yellow River is ______ kilometers long.
China has the biggest population in the world. It’s a lot bigger than the population of the US.
China is over ______ years old. It has a much longer history than the US. The US is not even _____ years old.
China is almost as big as the US, but it is the biggest country in Asia.
1
2
3
4
The Yangtze River is about ______ kilometers long and the Yellow River is ______ kilometers long.
China has the biggest population in the world. It’s a lot bigger than the population of the US.
China is over ______ years old. It has a much longer history than the US. The US is not even _____ years old.
China is almost as big as the US, but it is the biggest country in Asia.
6,300 5,000 5,464 300
6,300
5,464
5,000
300
1
2
3
4
Let’s listen and fill in the blanks.
topic
length
reason
famous part
Ming Great Wall
about 8850 kilometers long
to protect their part of the country
Badaling part
Let’s read.
the Yellow River
the Great Wall
History
Size
Population
the Yangtze River
more than 1.4 billion people
about 6,300 kilometers long
the longest river in Asia
5,464 km long
the second longest river in China
the biggest country in Asia
about 9,600,000 square kilometers in size
Ming Great Wall is about 8,850 kilometers long
the longest wall in the world
over 5,000 years old
one of the oldest countries in the world
has the biggest population
Let’s write.
checklist Items Quality(A/B/C)
Concents内容丰富
Correct Grammar & Perfect Expressions 语法准确 表达完整
Creative Performance 创新表现
Logic 逻辑清晰
讲好中国故事、传播好中国声音，
展现可信、可爱、可敬的中国形象。
We will better tell China’s stories, make China’s voice heard, and present a China that is credible, appealing, and respectable.
Homework
Level 1
Search for more geographical facts on the Internet .
Level 2
Finish your article and make it better.