八年级下Unit7SectionA

1、Unit 7 Whats the highest mountain in the world?,Section A 1a-2c,square meter deep desert population Asia,n. 平方；正方形 n. 米；公尺 adj. 深的；纵深的 n. 沙漠 n. 人口；人口数量 n. 亚洲,Words review,Qomolangma tumu,l:m the Nl nail the Caspian Sea kspin the Sahara sh:r the Yangtze River jtsi the Yellow River,珠穆朗玛峰 尼罗河 里海（世界最大的咸

2、水湖） 撒哈拉沙漠 长江 黄河,Words review,1000以上的基数词的表示法: 先从右至左，每三位加一个逗号。 如：1,234,567,890 one billion two hundred and thirty four million five hundred and sixty seven thousand eight hundred and ninety,从右到左三逗（，）开， 一逗是千thousand，二逗百万 三逗十亿，从左到右分开读 保你准确速度快， 遇见个位或十位， 加上and别忘记。,Can you read them?,9,600,000 1,025 6,671

3、8,844.43,I can read them! 9,600,000 1,025 6,671 8,844.43,one thousand and twenty five,eight thousand eight hundred and fourty-four point four three,six thousand six hundred and seventy-one,nine million six hundred thousand,Qomolangma,Qomolangma is the highest mountain in the world. It is 8,844.43 me

4、ters high.,The Caspian Sea,What do you know about the following numbers?,6,671 kilometers long,The Nile,What do you know about the following numbers?,9,600,000 square kilometers in size,The Sahara,Qomolangma,珠穆朗玛峰（Qomolangma）简称珠峰，又意译作圣母峰。该峰位于中华人民共和国和尼泊尔交界的喜马拉雅山脉之上，终年积雪。珠穆朗玛峰海拔8844.43米，同时每年增长1.2厘米，是世

5、界第一高峰，是一条近似东西向的弧形山系，位于喜马拉雅山中端、中尼边界上和西藏日喀则地区定日县正南方。山体呈巨型金字塔状，有巨大冰川，最长达26公里。,Do you know these interesting places?,The Nile,尼罗河(the Nile)是一条流经非洲东部与北部的河流，自南向北注入地中海。与中非地区的刚果河以及西非地区的尼日尔河并列非洲最大的三个河流系统。尼罗河长6671公里，是世界上最长的河流。,The Caspian Sea,里海（the Caspian Sea）是世界上最大的湖泊且为咸水湖，位于欧洲和亚洲的交界处，面积最大的淡水湖则是苏必利尔湖。里海拥有与

6、海洋相似的生态系统，海运业发达。,The Sahara,撒哈拉沙漠约形成于二百五十万年前，是世界最大的沙质荒漠。它位于非洲北部，气候条件非常恶劣，是地球上最不适合生物生存的地方之一。其总面积约9,600,000平方公里。,1a Match the facts you know.,Qomolangma is 8844.43 meters high. The Sahara is The Caspian Sea is The Nile is,1b Listen and complete the sentences.,1. Qomolangma is _ than any other mountain

7、 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,Guess,A: What is the highest mountain in the world? B: Qomolangma.,1c Use the information in 1b to make conversations.

8、,A: What is the biggest desert in the world? B: The Sahara.,A: What is the deepest salt lake in the world? B: The Caspian sea.,A: What is the longest river in the world? B: The Nile.,A: What is the in the ? B: ,Listen and number the facts 1-4in the order you hear them.,_ The Yangtze River is about _

9、 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, and

10、it is the biggest country in Asia.,2a,1,4,3,2,_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 U

11、S. The US is not even _ years old. _ China is almost as big as the US, and it is the biggest country in Asia.,Listen again and fill in the blanks in 2a with the numbers in the box.,2b,6,300,5,464,5,000,300,6,300 5,000 5,464 300,1,4,3,2,2c.Make the conversations using the information in 2b. A:Did you

12、 know that China is one of the oldest countries in the world?,B:Yes, I did. It is much older than our country.,A: How high is Qomolangma? B: Its 8,844 meters high.,Read and find,A: How deep is the Caspian Sea? B: Its 1,025 meters deep. A: How long is the Nile? B: Its 6,671 kilometers long. A: How bi

13、g is the Sahara? B: Its about 9,600,000 square kilometers in size.,如何描述物体的长宽高？,谈论物体的,宽度,深度,高度,长度,tall/high,deep,long,wide,- Its + 数量+high/tall/long/wide/deep.,1. - How high/tall/long/wide/deep.+ is + 主语?,常见句型,2. 数词+ square kilometer(s) 数词+ square meter(s),in size,Summary,英语表示“有多长（宽，高）”时，一般将_和_放在表示长宽

14、高的形容词_。,数词,数量单位,前,翻译句子： 1. 这张桌子两米长。 2. 这座山有1,500米高。 3. 这栋楼120米高。 4. 这个湖有多深？ 1,025米深。 5. 黄河有多长？,The table is two meters long.,The mountain is 1,500 meters high.,The building is 120 meters tall.,How deep is the lake? Its 1,025 meters deep.,Exercise,How long is the Yellow River?,9,660,170 1,111,111,111 5,201,314,nine million six hundred and sixty thousand one hundred and seventy-one,one billion one hundred and