8下unit7-1.ppt

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1、one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen，seventeen eighteen nineteen英语数字的读法：英语数字的读法：几十几中间用连字符几十几中间用连字符几百几十几百位和十位用几百几十几百位和十位用and 连接连接过千的大数字三位一逗过千的大数字三位一逗一逗一逗thousand二逗二逗million(百万百万)三逗三逗billion（十亿）（十亿）1,234 读作：one thousand,two hundred and thirty

2、-four4,567,809 读作：four million,five hundred and sixty-seven thousand,eight hundred and nine 5,678,120,000 读作：five billion,six hundred and seventy-eight million,one hundred and twenty thousand Can you read them?8,448 5,654 4,321 9,543 23,345 34,666 43,233 67,321Who is the tallest in our class?Mike is

3、 the tallest in our class.Mike is taller than any other student in our class.Mike is taller than anybody else in our class.No student in our class is as tall as Mike.the Nilethe Yangtze Riverthe Yellow River6,6706,3005,500The Yellow River is long.The Yangtze River is a lot _ than the Yellow River.Th

4、e Nile is _ of all.longerthe longestMake sentences using the information in the forms.The Yangtze River is not _ long _ the Nile.=The Yangtze River is not _ than the Nile.as aslongerthe Nilethe Yangtze Riverthe Yellow River6,6706,3005,500Mount Tai is high.Mount Huang is a little _ than Mount Tai.Qom

5、olangma is _ of all.Mount Tai is not _ high _ Qomolangma.=Mount Tai is not _ than Qomolangma.higherthe highestas ashigherQomolangma Mount HuangMount Tai8,8481,8641,5451.The population of Singapore is large.2.The population of Malaysia is much _ than that of Singapore.3.The population of China is _ o

6、f all.SingaporeMalaysiaChina4,000,00020,000,0001300,000,000largerthe largest4.The population of Singapore is not _ large _ that of China.5.The population of Singapore is not _ than that of China.aslarger asSingaporeMalaysiaChina4,000,00020,000,0001300,000,000 the tallest tallerYao is much taller tha

7、n 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 experiment was_ easier than we had expected.A.more B.much more

8、 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。(asas)1.一般情况一般情况:+er(比较级比较级)+est(最高级最高级)

9、quiet-quieter-the quietest bright-brighter-the brightest2.词末为词末为-e（不发音）（不发音）+r-+stfine-finer-the finest nice-nicer-the nicest3.重读闭音节，末尾只有一个辅音字母的：双写重读闭音节，末尾只有一个辅音字母的：双写辅音字母辅音字母+er-双写辅音字母双写辅音字母+esthot-hotter-the hottest wet-wetter-the wettest4.三个或三个以上音节的形容词只能加三个或三个以上音节的形容词只能加more和和most5.特殊变化特殊变化goodbe

10、tterbest many/muchmorethe most1.一般情况一般情况:+er(比较级比较级)+est(最高级最高级)quietquieterthe quietest brightbrighterthe brightest2.词末为词末为-e（不发音）（不发音）+r+stfinefinerthe finest nicenicerthe nicest3.重读闭音节，末尾只有一个辅音字母的：双写辅音字母重读闭音节，末尾只有一个辅音字母的：双写辅音字母+er双写辅音字母双写辅音字母+esthothotterthe hottest wetwetterthe wettest4.三个或三个以上音

11、节的形容词只能加三个或三个以上音节的形容词只能加more和和most不规则变化：不规则变化：good good betterbetter bestbest well well betterbetter bestbest badbadworseworse worstworst many,much many,much moremore mostmost far far fartherfarther farthestfarthest (距离远距离远)far far furtherfurther furthestfurthest (程度深程度深)old old elderelder eldesteld

12、est (长幼长幼)old old olderolder oldestoldest (年龄年龄)比较级主要运用与两者比较，最高级运用比较级主要运用与两者比较，最高级运用于三者包括三者以上的比较。于三者包括三者以上的比较。A+erthan B,A+estof the three,A+est than others Lets enjoy the beauty of nature!mountainmountaindesertdesertriverriverlakelakeoceanoceanfresh lakesalt lakedeep adj.深的深的desert n.沙漠沙漠population

13、 n.人口人口Asia n.亚洲亚洲tour v.n.旅行旅行tourist n.旅行者旅行者wall n.墙墙amazing adj.令人大为惊奇的令人大为惊奇的Qomolangmathe Nilethe Caspian Sea the Saharathe Yangtze Riverthe Yellow Riverthe Ming Dynastythe Ming Great Wallsquaremeterdeep珠穆朗玛峰珠穆朗玛峰 尼罗河尼罗河里海里海（世界最大的咸水湖）（世界最大的咸水湖）撒哈拉沙漠撒哈拉沙漠 长江长江 黄河黄河 明朝明朝 明长城明长城 n.平方；正方形平方；正方形 n.

14、米；公尺米；公尺 adj.深的；纵深的深的；纵深的desertpopulationAsiafeel freeTourtourist amazingancientprotectwiden.沙漠沙漠n.人口；人口数量人口；人口数量n.亚洲亚洲（可以）随便（做某事）（可以）随便（做某事）n.v.旅行；旅游旅行；旅游n.旅行者；观光者旅行者；观光者adj.令人惊喜的令人惊喜的adj.古代的，古老的古代的，古老的v.保护；防护保护；防护adj.宽的；宽阔的宽的；宽阔的Geographic facts地理常识地理常识the longest river(have)the biggest population

15、populationthe highest mountainthe biggest countrythe biggest desertthe biggest salt lake the biggest oceanthe biggest continentcontinent1.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 longlong9.6

16、million million(百万百万)square kilometers square kilometers(km)(km)8,844 meters highhigh1.3 billion billion(十亿十亿)QomolangmaWhich is the highest mountain in the world?Which is the longest river in the world?Which is the longest river in Asia?Do you know?Do you know these interest places?Qomolangma runs

17、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 26 kilometers long.zxxk珠穆朗玛峰珠穆朗玛峰 8,844.43 meters high The Nile is the longest river in the world.Its more than 6600 kilometers long.It runs through 9 countries,its one o

18、f 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.尼罗河尼罗河 6,671 kilometers long The Caspian Sea is the biggest lake in the world.It lies in the border between Asia and Europe.里海里海 1,025 meters deep The Sahara is the biggest d

19、esert 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.撒哈拉沙漠撒哈拉沙漠 9,600 square kilometers in size The Yangtze River is the third longest river in the world,the first Asian rivers.Its 6211.31 kilometers lo

20、ng.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.长江长江A.长度、宽度、高度、深度的表示法，长度、宽度、高度、深度的表示法，有一个专门的结构，那就是有一个专门的结构，那就是“基数词基数词+单位词单位词+形容词形容词(long wide high deep)”48米高米高48 meters high

21、25米深米深25 meters deep61千米长千米长 61 kilometers long一个一个25米深的湖米深的湖a 25-meter-deep lake这座绿色长城长这座绿色长城长7,000公里。公里。The Green Great Wall is 7,000 kilometers long.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

22、 and one meter wide.The mountain is 1,500 meters high.The building is 120 meters tall.The dictionary is five centimeters thick.How deep is the lake?Its 1,o25 meters deep.教室有教室有25英尺长，英尺长，20英尺宽。英尺宽。The classroom was 25 feet in length and 20 feet in width.这个箱子重这个箱子重9公斤。公斤。The box is 9 kilos.=The box is

23、 9 kilos in weight.那座桥有三米高。那座桥有三米高。The bridge is 3 meters in height.B.用用“基数词基数词+单位词单位词+in+(length width height depth)”来表示长度、宽度、来表示长度、宽度、高度、深度。高度、深度。Practicesquare kilometer=km2 square meter=m2度量单位使用规律度量单位使用规律（1）数）数+meters/kilometers+high/deep/long/wide（2）XX 平方米平方米=XX square meterHow+high/deep/long/w

24、ide+be+主语？主语？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 high1aWhat is the longest river in the world?The Nile.What is the highest mountain in the world?Qomolangma.What is the b

25、iggest desert in the world?The Sahara.What is the deepest salt lakes in the world?The Caspian Sea.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 th

26、e world.higherthe biggestthe deepestthe longest1bA:How high is Qomolangma?B:Its 8,844 meters high.A:What is the highest mountain in the world?B:Qomolangma.How big is the Sahara?Its about 9,600,000 square kilometers in size.1cUse the information in 1b to make conversations1）世界上最高的山峰2）亚洲最长的河3）世界上最大的沙漠4）世界上最深的咸水湖 the highest mountain in the worldthe longest river in Asiathe biggest desert in the worldthe deepest salt lake in the world