英语人教版八年级下册what is the highest mountain .doc

Unit7 What is the highest mountain in the world?SectionA(1a-2c)Teaching aims:1)To give Ss prctice in using the target language 2)To help Ss master the use of comparative adjectives and superlative adjectives.Teaching importances:1)Talk about geography and nature in pairs.2)To give Ss the oppotunity to use the target language in conversations.3)Revision some important phrases.Teaching Procedure:Step1 Warm-up1)Have a dictation2)Learn the new words1. 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 2 Explanation8,844 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 metres wide.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 Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters highStep 4 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.2. 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. DifferencesChina the USAHistoryIts one of the oldest countries: over 5000 years old. Its one of the youngest countries: not even 300 years old. Population It has the biggest population: more than1.4 billionThe number of the population is about 308 millionLand AreaIt has 9.6 million square kilometersIt has 9.83 million square kilometersStep 5 Practice 1c Make conversations in pairs.Compare the differences between China and the USExamples 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. 注：is one of +最高级+范围Step 6 2d Read the conversation and answer the questions:1) Which is the biggest man-made objects in the world？2) Which is the most famous part of the Ming Great Wall?Step 7 Consol