英语人教版八年级下册unit7.pptx

1、Unit 7 Whats the highest mountain in the world? 人教版八年级下册 保亭县三道中学,Section A 1a-1c,学习目标： 1.Learn the new words and phrase： square, meter, deep, desert, in size. 2.Key sentence：Whats 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),Task one 说出下列单词的比较级和最高级，并

2、简要归纳adj/adv的变化规则。,high _ _ long _ _ big _ _ good _ _ easy _ _ late _ _ beautiful _ _,higher highest,longer longest,bigger biggest,better best,easier easiest,later latest,more beautiful most beautiful,Task two,用英语说出下列数字。,41_ 387_ 6,529_ 658,723_ 4,864,297_ _,forty-one,three hundred and eighty-seven,s

3、ix 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,Presentation,square n. skwe,meter n. mi:t,平方,米,deep adj. di:p,desert n. dezt,深的,沙漠,Do you know these interest places?,Q

4、omolangma,Qomolangma runs along the border between 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. Its 8844.43 high, the highest in the world.,The Nile is the longest river in the world. Its more than 6600 kilometers long.,The Nile,The Caspian Sea,The Caspian Sea is the b

5、iggest 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）,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.,The Sahara,The Yangtze River is the third longest river in the world, the first Asia

6、n river. Its 6211.31 kilometers long.,The Yangtze River,A: How high is Qomolangma? B: Its 8,844.43 meters high.,Practice,A: How long is the Nile? B: Its 6,671 kilometers long.,A: How big is the Sahara? B: Its about 9,600,000 square kilometers in size. A: How deep is the Caspian Sea? B: Its 1,025 met

7、ers deep.,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.,higher,the biggest,the deepest,the longest,What is the highest mountain

8、 in the world? What is the longest river in Asia?. ,Talk about these pictures in pairs.,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.,ee

9、pest,quare,esert,eters,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. Whats C. What are 4. Shanghai is one of _ in the world. A. the biggest city B. the biggest cities C. the bigger cities,Summary,1. New words : square, meter, deep, desert. 2. Key sentence：Whats the highest mountain in the w