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Qomolangma.
How long is Qomolangma?
It’s 8,844.43 meters high. It’s higher than any other mountain.
Which is the deepest salt lake in the world?
The Caspian Sea is the deepest of all the salt lake.
三、教学难点：形容词和副词的比较级和最高级变化规则和用法。
物体之间的对比。
四、教学步骤：
Step 1 Warming up
Free talk.
Step2 Presentation
1.Watch the photos and talk about them “Which is the longest river in the world?’ and help the students to answer“It’s …”.
2.Help students know some new words about famous places and the details of them. Then practice the dialogue:
e.g. A: How high is Qomolangma?
B: It’s 8,844.43 meters high.
5.talk about the pronunciation of long numbers.
Step 3 Explanation
…8,844.43 meters high. 8,844.43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.
Step 4 1a Match the facts you know.
Qomolangma about 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters highStep 5 Practice in pairs using the information in 1a.
1. A: Which is the highest mountain in the world?
B: It’s Qomolangma.
2. A: How high is Qomolangma?
B: It’s 8,844.43 meters high.
Step 6 Listening
1b Listen and complete the sentences.