英语人教版八年级下册Unit 7 Section A (1a-2d)

Unit 7 What's the highest mountain in the world?
The First Period Section A(1a-2d)
Ⅰ．Teaching Aims and Demands
1．Knowledge Objects
（1） Key Vocabular y
square n.平方meter n.米population n. 人口
Asia n. 亚洲wall n. 墙
（2）Target Language
—What's the highest mountain in the world? —Qomolangma.
—How high 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.
(3)Structure: Large numbers
Comparative and superlative form of adj. and adv.
2.Ability Objects
（1) Learn to use the numeral to talk about the facts of the world.
（2) Learn and master the usage of the comparative and superlative form of adj. and adv.
3． Moral objects
Teach Ss to love our nature and protect our environment
Ⅱ.Teaching Key Point
Learn and master large numbers
Ⅲ．Teaching Difficult Points
Learn to talk about comparative and superlative form of adj. and adv.
by using the target language.
Ⅳ． Teaching Methods
1．The situational teaching approach,task-based language teaching method. 2．Pair-work.
Ⅴ． Teaching Aids
1． A tape recorder 2． The blackboard
Ⅵ．Teaching Procedures
Step Ⅰ Greeting and presentation
square meter deep desert population Asia tour tourist wall amazing ancient wide
Step 2 Warming-up
See the pictures on Page 49 and ask the students: How big/high/long/big is …? Then help the students to answer:It's …meters/kilometers/cm big/high/long/big. Step 3 1a Match the facts you know.
Practice in pairs using the information in 1a.
Step 4 Explanation
…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 meters wide.
Step 5 Listening
1. 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.。