英语人教版八年级下册Unit7 Period1 SectionA 1a-2c.docVIP

Unit 7 What’s the highest mountain in the world? Section A1a-2c 【学习目标】 1.重点单词词组：square, meter, desert, deep, tourist, population, 2 meters tall/long/wide, feel free 句型: What’s the highest mountain in the world? Qomolangma. How long is…? It’s … meters high. It’s higher than any other mountain. Did you know that China is one of the oldest countries in the world? Yes, I did. 2. 能力目标：能表达较大的数字，能用比较级和最高级谈论世界之最并听懂和谈论有关地理和自然的话题。 3. 情感目标：培养学生热爱大自然，保护环境的意识。 【学习重难点】 较大数字的读法，用形容词和副词的比较等级来谈论世界之最。 【学习过程】 Step 1 Preparation Enjoy some beautiful pictures of the nature. Step 2 Presentation 1. T: How beautiful! Do you know these interesting places? (Qomolangma, the Nile, the Sahara, the Caspian Sea) (1) Look at the picture of Qomolangma, teach: How high is it ? It is 8,844.43 meters high. Its the highest mountain in the world. It’s in Asia. (2) Look at the picture of the Sahara, teach: How big is it ? It’s 9,600,000 square kilometers in size. Its the ______ (big) desert in the world It’s bigger than any other desert in the world. It’s in Africa，too. (3) Look at the picture of the Nile, teach: How long is it ? It’s 6,671 kilometers long. The Nile is the ________river in the world. It’s longer than any other river in the world. It’s in Africa. （Ask some students to try to ask and answer, especially say out the number.） (4) Look at the picture of the Caspian Sea, teach: How deep is it? It’s 1025 meters deep. The Caspian Sea is the _______ salt lake in the world. It’ s the deepest of all the salt lakes. It’s between Asia and Europe. （Do as above.) 2. Can you read the numbers? 6,300 six thousand three hundred 5,464 five thousand four hundred and sixty-four 210.6 two hundred and ten point six 9,600,000 nine million six hundred thousand Step3 Li