（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)Stucture: 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

Learn and master the usage of the comparative and superlative form of adj. and adv.

Ⅲ．Teaching Difficult Points

1．Learn and master large numbers．

2． 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, listening-and-answering activity to help the students go through with the listening material．

2．Pairwork.

Ⅴ． Teaching Aids

1． A tape recorder

2． The blackboard

Ⅵ．Teaching Procedures

Step Ⅰ Greet the students and Presentation

square n. 平方 meter n. 米 deep adj. 深的

desert n. 沙漠 population n. 人口 population n. 人口

Asia n. 亚洲 tour v. n. 旅行 tourist n. 旅行者

wall n. 墙 amazing adj. 令人大为惊奇的

ancient adj. 古代的 wide adj. 宽的；宽阔和

Step 2 Warming-up

1. Watch the photos and talk about them "How big/high/long/big is ...?' and help the students to answer: It's ...meters/kilometers/cm big/high/long/big.

2. Look these photos and practice the dialogue:

　e.g. A: How high is Qomolangma?

B: It's 8,844 meters high.

Step 3 1a Match the facts you know.

Practice in pairs using the information in 1a.