Unit 7 Whats the highest mountain in the world?Section A 1 (1a 2c)Teaching Aims and Demands 1Knowledge Objects （1） Key Vocabulary 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. 亞洲（2）Target Language Whats the highest mountain in the world? Qomolangma. How high is Qomolangma ? Its 8,844.43 meters high.Its 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. 3Moral objects .Teach Ss to love our nature and protect our environment Learning proceduresStep 1 Greeting &lead-inHave a free talk: As Chinese, how much do you know about our motherland?Step 2 Warming-up : A guessing game.Show some pictures and learn some new words.Step 3 1a Match the facts you know.Practice in pairs using the information in 1a.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara 1,025 meters deepThe Caspian Sea 6,671 kilometers longThe Nile 8,844.43 meters highStep 4 Explanation8,844.43 meters high. 8,844.43米 meters high (long, wide)米高（長,寬)。英語表示“有多長（寬，高）”時，一般將數(shù)詞和數(shù)量單位放在表示長寬高的形容詞前作狀語。e.g. The wall is 1.7 metres wide.Watch the photos and talk about them “How big/high/long/big is ? and help the students to answer: Its meters/kilometers/cm big/high/long/big.2. Look these photos and practice the dialogue:e.g. A: How high is Qomolangma ?B: Its 8,844 meters high.Step 5 Listening() 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.Step 5 Listening() 2a Listen and number the facts(1- 4) in the order you hear them. 2b Listen again and fill in the blanks in 2a with the numbers in the box.6,300 5,000 5,464 300_ The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long._ China has the biggest population in the world. Its a lot bigger than the population of the US._ China is over _ years old. It has a much longer history than the US. The US is not even _ years old._ China is almost as big as the US, but it is the biggest country in Asia.Step 6 Comparison & Practice 1c Make conversations in pairs.Examples A: Did you know that China if one of the oldest countries in the world?B: Yes, I did. Its much older than my country.Step 7 summaryStep 8 Homework 1 .To memorize the important phrases and sentences.2 . To make some dialogues a bout asking the size of objects. Step9 Blackboard Design Unit 7 Whats the highest mountain in the world? The First Period （1） Key Vocabulary square n. 平方 meter n. 米 deep adj. 深的 desert n. 沙漠 population n. 人口 Asia n. 亞洲 （2）Target Language Whats the highest mountain in the world? Qomolangma. How high is Qomolangma? Its 8,844.43 meters high. Its 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