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1、Unit7Unit7Section A,1a-1cSection A,1a-1cSection A,1a-1cWhats the highest mountain in the world?Whats the highest mountain in the world?Whats the highest mountain in the world?By Yang LingyunRead the numbers quickly 100 25 71 43 308 600 157 644 800 9,.,1 025 43point1 000thousandmillion1 025 6 671 28
2、16 840 1 000 000 9 600 000 9 634 057 100 524 How to read these numbersLets read the numbers!1,524.4 4,583 6,300 19,020 9,600,000 8,844.43 Which is the largest number of all?Which is larger,6300 or 1524.4?Which is the smallest number of all?square n.平方平方;广场广场meter n.米米Tiananmen SquareThe new wordsThe
3、 new wordsdeep adj.深的深的desert n.沙漠沙漠population 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violin violinist ancient adj.古代的古代的wide adj.宽的；宽阔的宽的；宽阔的 Qomolangma is very high.It is 8,844.43 meters high.Do you know about this number?Qomolangma Qomolangma runs along t
4、he 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.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 inter
5、national states in the world and runs into the Mediterranean Sea(地中海地中海)in the end.The Nile is very long.It is 6,671 kilometers The Yangtze River is the third longest river in the world,the first Asian rivers.Its 6211.31 kilometers long.The Yangtze River runs through 11 provinces.It runs into the Ea
6、st Sea in Shanghai finally.the Yangtze River 1,025 metersa salt lakeIts deep.The lake is very deep.The Caspian Sea is the biggest lake in the world.It lies in the border between Asia and Europe.Its in size.9,600,000 square kilometersin size The Sahara is the biggest desert in the world.It is located
7、 in the northern Africa,climate conditions are very bad,is one of the earths most not suitable for biological survival（生物的生存）（生物的生存）.desertThe Sahara 1,524 meters1,518 metersLets compare!Taishan Moutain is _.Taishan Moutain is _.1,524 meters high Tianmen Moutain is _.Tianmen Moutain is _.1,518 meter
8、s high Which is higher?Taishan Mountain is high Taishan Mountain is higherer thanthan Tianmen Mountain.Tianmen Mountain.QomolangmaTaishan Mountain（泰山）（泰山）8,844.43 meters1,524 metersTianmen Mountain(天门山）天门山）1,518 metersLets compare!What is What is thethe high highestest mountain of the three?mountain
9、 of the three?Qomolangma is the highest mountain.Qomolangma is the highest mountain.How high is it?How high is it?Its 8844.43 meters high.Its 8844.43 meters high.1a Match the facts you know.Qomolangma about 9,600,000 square kilometers in sizeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers
10、 longThe Nile8,844.43 meters high1b 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 biggestthe deepestthe longestTeacher：Yesterday,
11、we learned some important geographical facts.I hope you all still remember them.Im going to test you now by asking a few questions.First,whats the highest mountain in the world?Boy 2：Qomolangma!Its higher than any other mountain in the world.Teacher：Thats right.And who can tell me what the Sahara is
12、?Girl 1：The Sahara is the biggest desert in the world.TapescriptsTapescriptsTeacher：Very good.And which is the deepest salt lake in the world?Girl 2：The Caspian Sea is the deepest of all the salt lakes.Teacher：Youre all so smart!Now,for the last question,which is the longest river in the world?Boy 1
13、：I know!The Nile is the longest river in the world.Boy 2：And the Amazon is the second longest river in the world.Teacher：It seems that you know the answers to all my questions.Good job!1c Use the information in 1b to make conversations.What is the highest mountain in the world?Qomolangma.Which is _m
14、ountain in the world?Which is _river in the world?Which is _desert in the world?Which is _lake in the world?The Sahara Qomolangmathe highest the longest the biggest the deepest Qomolangma 8,844.43 mTakla Makan Desert(塔克拉玛干）塔克拉玛干）330,000 km2the Yangtze River 6,300 kmTianchi Lake（天池）（天池）373 mA:Whats t
15、he.in China?B:.is the.A:How.is it?B:Its.(high,long,deep,in size)the Xiang Riverthe Yellow Riverthe Zhujiang River844 km5464 km 2,129 kmThe Xiang River is _.Summary：the nature&geography in China!The Zhujiang River is _.Its _ than the Xiang River.The Yellow River is _.Its _ than the Zhujiang River.The
16、 Yellow River is _ river of the three.844 kilometers long2129 kilometers long longer 5464 kilometers longlongerthe longest 3.世界上最深的咸水湖是哪一个？世界上最深的咸水湖是哪一个？is salt lake in the world?4.尼尼罗罗河是世界上最河是世界上最长长的河流。的河流。The Nile is in the world.5.练习练习1比其它任何一个练习都容易。比其它任何一个练习都容易。Exercise 1 is easier than _ _ _.1.世
17、界上最高的山是什么？世界上最高的山是什么？is mountain in the world?2.世界上最大的沙漠是什么？世界上最大的沙漠是什么？What is in the world?Exercise:Translate the sentences.the biggest desertWhat the deepestWhat the highestthe longest riverany other exercise 1.Make a survey about the natural places in Anhui.Write a short passage to describe and
18、compare them please!2.Memorize the important phrases and sentences.HomeworkHomeworkLove our country!Protect the nature!Thanks for listening!population 的用法的用法表示人口的“多”或“少,不用much或little,而要用large，big或small。China has the biggest population in the world.询问多少人口时,不用How much.?,而用Whats the population of.?。Whats the population of China?any other+名词单数的用法名词单数的用法any other+名词单数表示在同一范围内其它的,用比较级的形式表达最高级的意义。Tom is taller than any other student in our school.=Tom is the tallest student in our school.