八年级下 unit 7 section a.ppt

1、,Unit 7 Whats the highest mountain in the world?,Section A (1a-2c) By Guo Liongqiong,Qomolangma,The Nile,the Caspian Sea,the Sahara,How high is Qomolangma?,Its 8,844.43 meters high. Its the highest mountain in the world.,How long is the Nile?,Its 6,671 kilometers long. Its the longest river in the w

2、orld.,The Nile,How deep is the Caspian Sea?,Its 1,025 meters deep. Its the deepest of all the salt lakes.,The Caspian Sea,How big is the Sahara?,Its about 9,600,000 square kilometers in size. Its the biggest desert in the world.,The Sahara,How to read big numbers?,000,000,000,000,1,300,000,000,Which

3、 is the highest mountain in the world? How high is it ?,Talk about these pictures in pairs.,Practice in pairs like this: A: What/Which is the in the ? B: A: How high/long/deep/big is it? B: ,Practice,Discussion (Know about China),Which is the longest river in China? Which is the second longest river

4、 in China? How large is China? Whats the population of China? How old is China?,the Yangtze River,the Yellow Riverthe second longest river in China,Listening,2a Listen and number the facts(1- 4) in the order you hear them.,6,300 5,000 5,464 300,_ The Yangtze River is about _ kilometers long and the

5、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

6、 in Asia.,4,2,1,3,2b 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.

7、,6,300,5,464,_ 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.,5,000,300,China is great . We are proud of Chinese. We love China.,Compare China with America,older than,as b

8、ig as,bigger than,Summary,Know the top of the world. How to read big numbers. Whats the population of?询问人口数量用“what”不能用“how many. 形容人口的 “多” 或“少” 用large/big or small.,最高级,比较级,原级句型,1 .the +最高级+单数名词+比较范围 =比较级+than+any other+单数名词+比较范围 2 .be+one of the +最高级+复数名词+比较范围 3 .the +序数词+最高级+单数名词 4. 比较级+than 4 .as

9、 +原级+as,Exercise,1. is the population of China today? A. How much B.How many C. What D. Which 2.Bill jumped than any other player at the sports meeting. A. tall B. tallest C. high D. higher 3. China is country in the world . A .the third largest B .the largest third C .the third large D .a third lar

10、gest,C,D,A,4. Beijing is one of in China . A. the biggest city B. the biggest cities C. the bigest cities D. biggest cities 5.Can you write the number eighty-five thousand ,six hundred and twenty-six? A . 85,662 B . 58,626 C . 58,662 D . 85,626,B,D,1a Match the facts you know.,1b Complete the sentences.,1. Qomolangma is _ than any other mountain in the world. 2. The