2014八下Unit7　What'sthehighestmountainintheworld　SectionA1a-1c.ppt

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1、百位数的读法百位数的读法 700 503 946Seven hundredFive hundred and threeNine hundred and forty-six英语数字的读法英语数字的读法10 , 001thousandonekeyTen thousand and one千位数的读法千位数的读法 8,448 5,009 1,051 9,243 Eight thousandfour hundred and forty-eightFive thousand and nineOne thousand and fifty-oneNine thousand two hundred and fo

2、rty-three1111111,111One hundredAnd elevenkeyEleven thousand ,one hundred and eleveneleventhousand万位数（十千）的读法万位数（十千）的读法10,000-ten thousand20,001-twenty thousand and one30,010-thirty thousand and ten70,111-seventy thousand one hundred and eleven 51,111-fifty-one thousand one hundred and eleven 万位以上不到百万

3、的读法万位以上不到百万的读法:用逗号隔开，用逗号隔开，第一个逗号读成第一个逗号读成thousand111,111: one hundred eleven thousand one hundred and eleven222,222: two hundred twenty two thousand two hundred and twenty- two 1,111,111One hundred eleven One One hundred and elevenmillionthousandone million one hundred eleven thousand one hundred an

4、d eleven百万的读法百万的读法1,000,000 - one million1,111,111 - one million one hundred eleven thousand one hundred and eleven1,000,001-one million and one 21,435,678- four hundred thirty five thousand six hundred and seventy- eight 121,435,678- one hundred twenty one million four hundred thirty five thousand

5、six hundred and seventy- eighttwo million111,121,435,678111,121,435,678billion millionthousandone hundred eleven billion one hundred twenty one million four hundred thirty five thousand six hundred and seventy eight十亿的读法十亿的读法 5,721,432,874-five billion seven hundred twenty one million four hundred t

6、hirty two thousand eight hundred and seventy four 311,679,231,605- three hundred eleven billion six hundred seventy nine million two hundred thirty one thousand six hundred and five999,121,141,435,678trillionbillionmillion thousandkeyNine hundred ninety nine trillion one hundred twenty one billion o

7、ne hundred forty one million four hundred thirty five thousand six hundred seventy eight数词的解读技巧数词的解读技巧 如果在万位以下的话只要直接读出该如果在万位以下的话只要直接读出该数值即可。数值即可。 特大数字如果在万分位以上的话，是特大数字如果在万分位以上的话，是通过三位三位的读，来读出数值。通过三位三位的读，来读出数值。 一般的排列顺序是从大到小：一般的排列顺序是从大到小：trillion, billion, million, thousand, hundred. 这些英文的数值代表三位三位的进位这些

8、英文的数值代表三位三位的进位读法，每次读完一个单元后，就加上读法，每次读完一个单元后，就加上这些数值。这些数值。Lets talk! What do we learn in a geography class?geographyLets enjoy the beauty of !fresh lakesalt lakeGeographic facts地理常识地理常识the longest river(have) the biggest the highest mountainthe biggest countrythe biggest desertthe biggest salt lake th

9、e biggest oceanthe biggest 1. The Nile2. The Amazon3. Yangtze River1. Russia 2. Canada 3. China The SaharaThe Caspian SeaAsia The Pacific Ocean1. China2. India 3. America 6,300 kilometers 9.6 (百万百万) 8,844 meters 1.3 (十亿十亿)QomolangmaGeographic facts地理常识地理常识the longest river(have) the biggest the high

10、est mountainthe biggest countrythe biggest desertthe biggest salt lake the biggest oceanthe biggest 1. The Nile2. The Amazon3. Yangtze River1. Russia 2. Canada 3. China The SaharaThe Caspian SeaAsia The Pacific Ocean1. China2. India 3. America 6,300 kilometers 9.6 (百万百万) 8,844 meters 1.3 (十亿十亿)Qomol

11、angmaWhat is the longest river in the world?The Nile.What is the biggest desert in the world?The Sahara.Geographic facts地理常识地理常识the longest river(have) the biggest the highest mountainthe biggest countrythe biggest desertthe biggest salt lake the biggest oceanthe biggest - What is longest river/the

12、biggest country in the world? - the biggest population?1a Match the facts you know.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers longThe Nile8,844.43 meters highQomolangma. Its 8,844.43 meters high! The Nile Its 6,671 kilometers long.

13、Caspian Sea is 1,025 meters deep. The Sahara is 9,600,000 square kilometers in size.翻译句子翻译句子 1.这张桌子两米长，一米宽。这张桌子两米长，一米宽。2.这座山有这座山有1500米高。米高。3.这栋楼这栋楼120米高。米高。4.这本字典有五厘米厚。这本字典有五厘米厚。5.这个湖有多深？这个湖有多深？ 1025米深。米深。The table is two meters long and one meter wide.The mountain is 1,500 meters high.The building

14、is 120 meters tall.The dictionary is five centimeters thick.How deep is the lake? Its 1,o25 meters deep. Do you know these interest places? Qomolangma Qomolangma runs along the border between China and Nepal. It is covered with snow all the year round. Its 8844.43 high, the highest in the world. Its

15、 26 kilometers long. zxxk The Nile is the longest river in the world. Its more than 6600 kilometers long. It runs through 9 countries, its one of the largest river flows through the international states in the world and runs into the Mediterranean Sea(地中海地中海) in the end. The NileThe Caspian Sea The

16、Caspian Sea is the biggest lake in the world. It lies in the border between Asia and Europe. The Sahara is the biggest desert in the world. It is located in the northern Africa, climate conditions are very bad, is one of the earths most not suitable for biological survival. The Sahara The Yangtze Ri

17、ver is the third longest river in the world, the first Asian rivers. Its 6211.31 kilometers long. The Yangtze River Basin, east-west width of 3219 kilometers, about 966 kilometers wide north-south, passing through 11 provinces. It runs into the East Sea in Shanghai finally.The Yangtze RiverWhich is

18、the highest mountain in the world?Which is the longest river in Asia?. square kilometer=km2 square meter=m2度量单位使用规律度量单位使用规律（1）数词）数词+meters/kilometers+high/deep/long/wide（2）XX 平方米平方米= XX square meterHow+high/deep/long/wide +be+主语？主语？Practice in pairs like this:A: Which is the in the ?B: z。xxk8,844 me

19、ters high. 8,844米高米高 meters high (long, wide)米高（长，宽米高（长，宽)。英语表示英语表示“有多长（宽，高有多长（宽，高）”时，时，一般一般将数词和数量单位放在表示长宽高的将数词和数量单位放在表示长宽高的形容词前作状语形容词前作状语。e.g. The wall is 1.7 metres wide.A: How high is Qomolangma?B: Its 8,844 meters high.The biggest desert in the world is about 8,000,000 square kilometers in size.

20、How big is the Sahara?Its about 8,000,000 square kilometers in size.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.higherthe biggest

21、the deepestthe longestYao is much taller than Pan.a bit, a little, much, many, a lot, lots, any, even + 比较级比较级A is as high as mountain B. A is as high as mountain B This ball is as big as that one. This river is Quick check(1) My brother is _ more outgoing than me. A. many B. little C. much (2)The e

22、xperiment was_ easier than we had expected. A. more B. much more C. much (3)If there were no examinations, we should have _ at school. A. the happiest time B. a more happier time C. a much happier time (4 )Traveling by train is excited than a rushed trip by air.A. much B. a little C. far more (5 )这部

23、电影和那部电影一样有趣。（这部电影和那部电影一样有趣。（asas） (6 ) 这件红大衣和那件蓝色大衣一样长。这件红大衣和那件蓝色大衣一样长。(asas)（答案：C, C, C,C This film is as interesting as that one. The red coat is as long as the blue one.)Finish the sentences with the right forms of the adjs.1. Kate is young, but Joe is _.2. My shoes are new. My sisters are _ than

24、 mine.3. Her bag is heavy, and his is _ than hers. But yours is _ of all.youngernewerheavierthe heaviest4. Toms kite is high. Jims is _ than Toms. Mikes is _ of them all.5. Bill is seven. John is nine and Tom is eleven. Tom is _ than John and Bill. Bill is _ than John. Bill is _ and Tom is _ of the three.the highestolderyoungerthe youngestthe oldesthigherHomework1. Review the new words and expressions. 2. 发挥想象，连词成文发挥想象，连词成文(50-100字字)。square, meter, population, Asia, tour, tourist, wall, ancient, protect, wide, as far as I know