Unit 7 What's the highest mountain in the word ? 课件 (共17张PPT)

(共17张PPT)
人教版八年级英语下册
一 写出下列单词的比较级和最高级
1. good
2. comfortable
3. big
4. happy
5. cheap
6. many
7. difficult
8. little
1. good
2. comfortable
3. big
4. happy
5. cheap
6. many
7. difficult
8. little
better best
more ～ most ～
bigger biggest
happier happiest
cheaper cheapest
more most
more ～ most ～
less least
1. Lily gets up ______ (early) than
Lucy.
2. Which goes __________ (slowly),
Tom or Jim
3.This book is _______________
(interesting) than that one.
earlier
more slowly
more interesting
二 根据所给词的适当形式填空
4. She works ________________ (careful) in her school.
5. Who goes to bed _________ (late) Jim, Tom or Jack
6. I think turkey is ________________ (delicious) of all.
the most carefully
latest
the most delicious
Do you know these interest places
Qomolangma
Qomolangma is the highest peak in the Himalayas. It lies in the border between China and Nepal. It’s 8844.43 meters high, It’s the highest mountain in the world. It is covered with snow all the year round.
The Nile is a main river in Africa.It is 6,671 kilometers long. It runs through(流经) nine countries, It is the longest river in the world.
The Nile
The Sahara is the biggest desert in the world. It is located(位于) in the northern Africa. It’s about 9,600,000 square kilometers in size.
The Sahara
The Yangtze River is the third longest river in the world. It’s the first longest river in China.It’s 6,300 kilometers long. It passes through 11 provinces. It runs into the East Sea in Shanghai finally.
The Yangtze River
1a Match the facts you know.
Qomolangma about 9,600,000 square kilometers in size（big）
The Sahara 1,025 meters deep
The Caspian Sea 6,671 kilometers long
The Nile 8,844.43 meters high
…8,844 meters high. …8,844米高
… meters high (long, wide…)
……米高（长，宽……)。
英语表示“有多长（宽，高……）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。
e.g. The wall is 1.7 metres wide.
1b Listen and complete the sentences.
1. Qomolangma is ______ than any other mountain in the world.
2. The Sahara is ____________ desert in the world.
3. The Caspian Sea is ____________ of all the salt lakes.
4. The Nile is _________ river in the world.
higher
the biggest
the deepest
the longest
What is the highest mountain in the world
What is the longest river in the world
Qomolangma
The Caspian Sea
the Sahara
the Nile
A: What/Which is the biggest desert in the world
B: The Sahara.
A: What is the deepest salt lake in the world
B: The Caspian sea.
A: What is the longest river in the world
B: The Nile.
A: What is the highest mountain in the world
B: Qomolangma.
A: How high is Qomolangma
B: It’s 8,844.43 meters high.
A: How deep is the Caspian sea
B: It’s 1,025 meters deep.
A: What is the biggest desert in the world
B: It’s the Sahara.
A: Which is the deepest salt lake in the world
B: It’s the Caspian Sea.
A: How high is Qomolangma
B: It’s 8844.43 meters high.
A: How long is the Nile
B: It’s 6671kilometers long.
Homework
Make up conversations with your parnter.