课件36张PPT。Unit 7
What's the highest mountain in the world?section A (1a-1c)mountaindesertriverlakeoceanfresh lakesalt lakeTeaching goals一、知识与技能：1.掌握本节课的新词汇： Qomolangma、the Nile、the Caspian Sea、the Sahara...
2.学会用英语表达物体的长、宽及深度等。
3.能运用形容词的最高级句型清晰流利地表达“世界之最”。
二、过程与方法：采用图片展示引导学生进入情景，通过pairwork练习对话，鼓励学生多说多练，大胆表达学到的知识。
三、情感态度价值观：培养学生亲近自然，关爱自然，保护自然的感情。Can you read the numbers?2 10 100 1.5
7 12 112 2.95
89 239 3.46
57
nine point six million
one thousand and twenty-five
six thousand six hundred and
seventy-one
eight thousand eight hundred
and forty-four point four three9,600,000
1,025
6,671
8,844.43
Qomolangmathe Nilethe Caspian Seathe SaharaQomolangma about 9,600,000 square
kilometers in size
The Sahara 1,025 meters deep
The Caspian Sea 6,671 kilometers long
The Nile 8,844.43 meters high 1a. Match the facts you know.面积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.1b. Listen and complete the sentences.higherthe biggestthe deepestthe longest1. Qomolangma is the highest mountain in the world.
2. The Sahara is bigger than any other desert in the world.
3. The Caspian Sea is deeper than any other lake of all the salt lakes.
4. The Nile is longer than any other river in the world.A: What is the highest mountain in the
world?
B: Qomolangma.
A: How high is it ?
B: It's about 8,844.43 meters high.A: What is the ... in the world?
B: ...
A: How ... is it?
B: It's about ...meters high/big/deep/long.Pair workLet's enjoy the beauty of nature!Qomolangmathe Saharathe Caspian Seathe Nilesummary1.物体长、宽、深度等的表达法：
基数词+meter(s)+long/wide/high/deep...
2.句型：
The Sahara is the biggest desert in the world.
Qomolangma is higher than any other mountain in the world.
What is the longest river in the world?homework 找出一些“亚洲之最”并练习。
