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1、Unit 7Whats the highest mountain in the world?Section 1a-2dWarming-up A GameCount from 1 to 32Rule：全体起立，数数。逢5的倍数以及以5结尾的数字，以拍掌代替。数对了坐下，如果错了不能坐下，于游戏结束后接受挑战。500+500=？6m long5mwideHow big of our classroom？Its 30 square meters in size.amazing adj.令人惊叹的With commas（逗号）,theyre easy to read.1,000 10,000 100,
2、000 1,000,000 10,000,000 100,000,000 1,000,000,000 10,000,000,000 100,000,000,000thousand millionbillion Lets try1,025 2,356 1,888 6,453 3,500 9,600,000 1,400,000,000Nine million six hundred thousandOne billion four hundred millionQomolangma珠穆朗玛峰珠穆朗玛峰 the Nile 尼罗河尼罗河the Caspian Sea里海里海the Sahara Des
3、ert 撒哈拉沙漠撒哈拉沙漠The Qomolangma about 9,600,000 square kilometers in sizeThe Sahara 1,025 meters deepThe Caspian Sea 6,671 kilometers longThe Nile 8,844.43 meters high Match the facts you know.英语表示物体“有多长（宽、高.）”时，一般将数词和数量单位放在表示长、宽、高等形数词和数量单位放在表示长、宽、高等形容词前。容词前。activity-1 合作探究The longest river in the worl
4、d is .the NileAnd the Amazon is the second longest river in the world.the+序数词序数词+最高级最高级+（名词单数）（名词单数）表示第几表示第几(最最).海南岛是中国第二大岛。Hainan island is in China.the second largest（island）The highest mountain in the world is .QomolangmaIt is in the world.deeper than any other lake=the deepest lake 比较级+than+any
5、other+单数名词意为“比其他.都”，用比较级形式表达最好及含义=higher than any other mountain is the biggest desert in the world.The Caspian Sea is _ of all the salt lakes.the deepestThe Saharaactivity-2 Pair-workA:Whats the highest mountain in the world?B:I dont know.What is it?A:Qomolangma is the highest mountain in the world
6、.B:How high is it?A:Its 8,844.43 meters high.Make a conversation with your partner.Number the facts in the order and fill in the blanks with the numbers.6,300 5,000 5,464 300 The Yangtze River is about _kilometers long and theYellow River is_ kilometers long._ China has the biggest population in the
7、 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 it is the biggest country in Asia.42136,3005,4645,000300Read 2d,and answer the question.How long is the wall
8、?Its about 8,850 kilometers long.What does the guide say about the wall?Its the longest wall in the world.Its quite tall and wide.There are no man-made objects as big as this.activity-3 I am a five-star guideYou are a tour guide.Please introduce the zhuhai to your visitors.Use the following informat
9、ion to help you.Welcome to zhuhai Zhuhai City is 7,650 square kilometers in size.The population of Zhuhai is 1,560,000 people.Huangyang Mountain is about 580 meters high.It is the highest mountain in Zhuhai.And the Fenghuang Mountain is the second highest mountain.Zhuhai has 146 islands.Sanzao island is larger than the other islands.Zhuhai is a tourist city.The Fisher Girl is one of the most popular places.Homework活动调查：作为承德人，你了解承德的历史地理有多少？请你深入的了解一下承德，然后运用今天所学知识介绍一下承德。