八年级Unit7SectionA1.ppt

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1、 Learning new words Learn the sentences 最高级句型Learning Guiding: Read the new words by yourselves Discuss the words with partner if you dont knowWhich is the highest mountain in the world?Which is the longest river in Asia?. 1a Match the facts you know.Qomolangma about 9,600,000 square kilometers in s

2、izeThe Sahara1,025 meters deepThe Caspian Sea6,671 kilometers 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 t

3、he world.higherthe biggestthe deepestthe longestA: What is the highest mountain in the world?B: Qomolangma.A: How high is Qomolangma?B: Its 8,844 meters high.A: What is the largest desert in the world?B: The Sahara.A: How large is the Sahara?B: Its about 9,600,000 square kilometers in size.2a Listen

4、 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 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

5、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. 42136,3005,4645,0003002c Make conversations using the information in 2a.A: Did you know that China is one of the oldest countries in the world?B: Yes, I did. its

6、 much older than my country.2d Read the conversation and answer the questions:1. Which is the biggest man-made object in the world？2. Which is the most famous part of the Ming Great Wall?The Great Wall.Badaling part of the wall.A: Did you know that Yangtze River is the longest river in China?B: Yes,

7、 I did. Its 6,300 meters long.B: Wow! Thats long!Language pointspopulation 集合名词（无复数形式集合名词（无复数形式) population常与常与the连用连用,作主语时作主语时,谓语谓语v.用单三。用单三。The worlds population is growing faster and faster. 当当“分数分数/百分数百分数+of the population”做主语时做主语时,谓谓语语v.用复数形式。用复数形式。About seventy percent of the population in Chi

8、na are farmers .表示人口的表示人口的“多多“用用large/big ， 人口人口”少少”用用smallChina has a large population. Singapore has a small population. 询问询问“某国、某地有多少人口某国、某地有多少人口”时时, 用用“Whats the population of +地点？地点？”或者或者“How large is the population of +地点地点?”中国有十三亿人。中国有十三亿人。China has a population of about 1.3 billion.= China i

9、s a country with a population of about 1.3 billion. =The population of China is about 1.3 billion.=There is a population of about 1.3 billion in China. 1. Feel free to ask me anything on todays Great Wall tour. 在今天的长城游中，大家尽管问我任何在今天的长城游中，大家尽管问我任何问题，不要拘束。问题，不要拘束。feel free是英语口语中一个常用表达是英语口语中一个常用表达。若有人让你

10、若有人让你feel free to do something，就是就是让你无需拘束，只管按照自己的意让你无需拘束，只管按照自己的意愿去做某事。愿去做某事。e.g.A: Can I use your bathroom? 我可以用一下你的卫生间吗？我可以用一下你的卫生间吗？B: Yes, feel free. 可以，请随意。可以，请随意。as far as I know是一个固定的表达方是一个固定的表达方式，还可以说式，还可以说so far as I know，意思，意思是是“据我所知据我所知”。2. As far as I know, there are no man-made objects

11、as big as this. 据我所知，再没有像它这样大的人造据我所知，再没有像它这样大的人造物体了。物体了。feel freethe most popular questiontalk about the Ming Dynastythe ancient emperorsthe main reasonas far as I knowthe Ming Great WallHow long is the wall?Its about 8,850 kilometers long.This makes it the longest wall in the world.Its the most fam

12、ous part.Do you know these interesting 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. The Nile is the longest river in the world. Its more than 6600 kilometers long. It runs through

13、9 countries in Africa and runs into the Mediterranean Sea(地中海地中海) in the end. The NileThe Caspian Sea The 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. The climate cond

14、itions are very bad. The Sahara The Yangtze River is the third longest river in the world, the first Asian rivers. Its more than 6300 kilometers long. The Yangtze RiverPractice in pairs like this:A: Which is the in the ?B: z。xxk8,844 meters 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: To memorize the important phrases and sentences.B: To make some dialogues about asking the size of objects.