人教版八下-Unit 7 what's the highest mountain in the world -Section A 1a—2d-ppt课件-(含教案+视频)-市级优课-(编号：b161c).zip

8844.43 meters high , 26 kilometers long the highest in the world Qomolangma Do you know these places? 66716671 kilometerskilometers longlong RunRun throughthrough 9 9 countriescountries the Nile the longest river in the world 9,600,000 square kilometers in size 面积 平 方 Its the Sahara. the biggest dersert in the world camels the Caspian Sea(a salt lake) 1,025 meters deep deep adj. 深的深的desert n. 沙漠沙漠 population n. 人口人口 Asia n. 亚洲亚洲 Which is the highest mountain in the world? Which is the longest river in Asia?. 1a Match the facts you know. Qomolang ma about 9,600,000 square kilometers in size The Sahara1,025 meters deep The Caspian Sea 6,671 kilometers long The Nile8,844.43 meters high A: How high is Qomolangma? B: Its 8,844.43 meters high. The biggest desert in the world is about 9,600,000 square kilometers in size. How big is the Sahara? Its about 9,600,000 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. higher the biggest the deepest the longest ThingsThings ToTo Compare:Compare: You will see some objects. please compare them, then give your setences. 1 A B C D A is the most active girl in the class. A is more active than any other girl in the class. B is as tall as D. C is not as(so) tall as B. B is much taller. (a lot ,a little) 2 3 4 cheetah 猎豹 5 the Nile the Yangtze River the Yellow River 6,67 1km 6,300km5,500km The Yellow River is long. The Yangtze River is a lot _ than the Yellow River. The Nile is _ of all. longer the longest Complete the sentences using the information in the forms. The Yangtze River is not _ long _ the Nile. = The Yangtze River is not _ than the Nile. as as longer the Nile the Yangtze River the Yellow River 6,67 1km 6,300km5,500km Mount Tai is high. Mount Huang is a little _ than Mount Tai. Qomolangma is _ of all. Mount Tai is not _ high _ Qomolangma. = Mount Tai is not _ than Qomolangma. higher the highest as as higher Qomolan gma Mount Huang Mount Tai 8,848m1,864m1,545m 1. The population of Singapore is large. 2. The population of Malaysia is much _ than that of Singapore. 3. The population of China is _ of all. Singapor e MalaysiaChina 4,000,000 20,000,00 0 1300,000, 000 larger the largest 4. The population of Singapore is not _ large _ that of China. 5. The population of Singapore is not _ than that of China. as larger as Singapor e MalaysiaChina 4,000,000 20,000,00 0 1300,000, 000 1. MemorizeMemorize thethe importantimportant phrasesphrases andand sentencessentences. 2. MakeMake somesome dialoguesdialogues aboutabout askingasking thethe sizesize ofof objectsobjects. Thanks for listening! See you then. Unit7 Whats the highest mountain in the world? Teaching contents:Unit7 Section A(1a1c) Teaching Key Aims: 1. Ss should master some key phrases and key words. 2. Ss should master some listening skills to help them listen easily. 3. Review the comparatives and superlatives with adjectives and adver bs. 4. Help Ss review the numbers, and Ss could say the large numbers. 5. Ss could talk about and say geography in this part. Teaching Difficulties: 1. Ss could freely say the large numbers by themselves. 2. Ss can freely use the comparatives and superlatives to express the ir ideas. 3. Ss can freely use the key points of this part to say the geography and the nature Teaching key words: square meter deep desert hundred thousand Caspian Sahara Qomolangma Teaching Aids: PPT Teaching procedures: T shows the Teaching Key Points of this lesson. 教学目标： 1、 掌握本节课中出现的重点单词与词汇。 2、 掌握一些听力技巧来帮助自己更好的听听力。 3、 复习回顾形容词、副词的比较级和最高级。 4、 复习数字，并会说位数大的数字。 5、 学会讨论和说本节课的地理知识。 Step1: Revision T shows some numbers on the blackboard and Ss say the numbers by them selves.23, 56, 89, 105, 140, 177, 289, 532, 1,031, 1,414, 2,854, 600,000, 7,458,671, 8,840,745,003, Lead in: What do you know about these numbers? 1,025-The Caspian Sea (picture) 6,67-The Nile (picture) 8,844.43-Qomolangma (picture) 9,600,000-The Sahara (picture) T leads the Ss to say out the names of these four places. Step2: Presentation T shows the different geography (mountain, river, salt lake and deser t) by using the adjectives (high, long, deep and big) to Ss. T uses more pictures to show the details of these four. Qomolangma is 8,844.43meters high. It is higher than any other mounta in in the world. The Nile is 6,671 kilometers long. It is the longest river in the wor ld. The Caspian Sea is 1,025 meters deep. It is the deepest of all the sa lt lakes. The Sahara is about9, 600,000 square kilometers in size. It is the bi ggest desert in the world. T gives Ss 2 minis to recite these key sentences. Pair work: (T gives Ss 3 mins to practice.) B- Qomolangma is 8,844.43meters high. It is higher than any other m ountain in the world. . (Ss practice the conversation with their pa rtner in groups.) T checks the pair works. T and Ss look at 1a. (T asks Ss to read every place and the descriptions) Step3: Listening Practice T and Ss look at 1b. T asks Ss to look at every Qs by asking Ss to read. T asks Ss to guess the answers of 1b. T plays the tapes for Ss and checks the answers. Step4: Production T and Ss look at the 1c. Group work: (T gives Ss 3minis to practice the conversation in two or four.) A Whats the in the world、 B T checks the group work. Step5: exercise 1. numbers 2. comparatives and superlatives 3. choices Step6:Feedback Step7:Homework Blackboard Design: Unit7 Whats the highest mountain in the world? key words make sentences . . . .