Unit 7 What’s the highest mountain in the world?

1. Unit 7 What’s the highest mountain in the world? Section A 1a-1c

2. 学习目标： • 1.Learn the new words and phrase： square, meter, deep, desert, in size. • 2.Key sentence：What’s the highest mountain in the world? • 3.Talk about geography and nature in English.(用英语谈论地理和自然常识)

3. Task one 说出下列单词的比较级和最高级，并简要归纳adj/adv的变化规则。 high ______ ________ long _____ ______    big ______ _______     good ______ ______    easy ______ ______     late ______ ______   beautiful __________ __________  longer longest higher highest better best bigger biggest easier easiest later latest more beautiful most beautiful

4. Task two 41________ 387___________________ 6,529________________________ 658,723______________________ 4,864,297_____________ ________________________ forty-one 用英语说出下列数字。 three hundred and eighty-seven six thousand five hundred and twenty-nine six hundred fifty-eight thousand seven hundred and twenty-three four million eight hundred sixty-four thousand two hundred and ninety-seven

5. square n. [ skweə] Presentation meter n. [ˈmi:tə] 平方 米

6. deep adj. [di:p] desert n. [ˈdezət] 深的 沙漠

7. Do you know these interest places? Qomolangma Qomolangma runs along the borderbetween China and Nepal.（在中国和尼泊尔边境沿线运行） It is covered with snow all the year round. It’s 8844.43 high, the highest in the world.

8. The Nile The Nileis the longest river in the world. It’s more than 6600 kilometers long.

9. The Caspian Sea The Caspian Sea is the biggest lake in the world. It lies in the border between Asia and Europe.（它位于亚洲和欧洲之间的边界）

10. The Sahara The Sahara is the biggest desert in the world. It is located in the northern Africa（北非）, climate conditions（气候条件） are very bad.

11. The Yangtze River The Yangtze River is the third longest river in the world, the first Asian river. It’s 6211.31 kilometers long.

12. A:How high is Qomolangma? B: It’s 8,844.43 meters high. Practice A: How big is the Sahara? B:It’s about 9,600,000 square kilometers in size. A: Howdeep is the Caspian Sea? B: It’s 1,025 meters deep. A: Howlong is the Nile? B: It’s 6,671 kilometers long.

13. 1b Listen and complete the sentences. higher 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. the biggest the deepest the longest

14. Talk about these pictures in pairs. What isthe highestmountain in the world? What isthe longestriver in Asia?... …

15. Exercises 一、根据字母提示填写单词的正确形式。 1.The Caspian Sea is the d______ salt lake in the world. 2.Our playground is about 2000 s_______ meters in size. 3.The Sahara is the biggest d_______ in the world. 4.That desk is about 1.3 m______ long. eepest quare esert eters

16. 二、 Choose the best answers. 1. The Sahara is ________ in the world.    A. the biggest desert   B. the bigger desert  C. biggest desert 2. The Nile is 6671 ______.    A. kilometers   B. kilometers long    C. kilometer long 3. --- _____ the longest river in China？ --- Yangtze river.    A. What     B. What’s     C. What are 4. Shanghai is one of ______ in the world.    A. the biggest city   B. the biggest cities    C. the bigger cities

17. Summary 1. New words : square, meter, deep, desert. 2. Key sentence：What’s the highest mountain in the world? 3. The top of the worlds: Qomolangma, The Sahara , The Caspian Sea , The Nile.

18. Homework To make some dialogues about asking the size of objects.