人教版八下-Unit 7 what's the highest mountain in the world -Section A Grammar focus 4a—4c-ppt课件-(含教案)-省级优课-(编号：30142).zip

Unit 7 Whats the highest mountain in the world? Grammar Revision Lets sing a song. The more we get together, the happier well be. Do you think the facts are right ? If not, can you correct the mistakes? 1.The Yangtze River is the second longest river in China. 2.The Amazon River is much longer than the Yangtze River. (the Amazon is 6,480m long, the Yangtze River is 6,300m long) _ the longest _ a little 3. Qomolangma is one of the least dangerous places for mountain climbing. 4. No ocean in the world is as big as the Pacific Ocean. 5. China has the smallest population in the world. _ most _ the biggest 6. China is as big as the US. 7. A Fei is less hard-working than Gao Lin. 8. The elephant weighs many times more than the panda. almost as big as _ _ more Discussing: Talk about the facts in different ways: the Amazon River is 6,480m long, the Yangtze River is 6,300m long The Amazon River is almost as long as the Yangtze River. The Amazon River is a little longer than the Yangtze River. The Yangtze River is a little shorter than the Amazon River. The Yangtze River is not as long as the Amazon River. The Yangtze River is less long than the Amazon River. The Amazon River is the second longest River in the world. The Yangtze River is the third longest River in the world. Exercises: fill in the blanks: The planet we live in is the earth. Its so _ (beautiful) that we can travel to so many interesting places. But now, its crying. Humans are making the environment _ and _ (bad). Factories pour dirty water into the rivers and lakes. As a result, there are _ and _(few) animals living inside. They also let harmful smoke get into the sky so that the air pollution is getting _ and_ _(serious). beautiful worseworse fewerfewer more more serious People cut down the forests, kill the animals for bones, fur, feathers so that the number of many endangered animals is getting _ and _(small) In order to protect our beautiful home, take action now! The _(much) we do today for it, the _ (good) our home will be in the future! smaller smaller more better Writing:Write something about China. populationbig / large The Great Walllong Qomolangmadangerous mountain climbing The Yangtze River The Yellow River long mother river Pandas Symbol the number small endangered What you think of Chinagreat love be proud Use the help of these expressions: one of No is asas the second notasas lessthan muchthan Writing model: China is a very great country. It has the biggest population in the world. But the peoples lives are far better than before. China has the longest wall in the world. No another wall is longer than the Great Wall. Qomolangma, one of the most dangerous places, is mountain climbers favorite. The Yangtze River, the longest river in China, is the third longest in the world. Another famous river is Yellow River. Its not as long as the Yangtze River. Many Chinese people call them Mother River. Pandas are a symbol of China. But the number of pandas is getting smaller and smaller. Chinese government spends a lot saving this kind of endangered wild animals. We all hope that in the future there will be a lot more pandas. I love China! I am proud that I am Chinese! Protecting the earth is protecting ourselves ! Love our country! Do what we can to make it stronger and more beautiful! After learning this class, what do you want to say ? Homework: Finish the writing task, check it carefully and then share it with your close friends. Review Unit 7 Thank yoThank you!u! Thank yoThank you!u! 1 Teaching aims: 1.Knowledge objects: Review different expressions of comparatives and superlatives such as: one of the (almost)asas not as/soas. .many times more than lessthan the least/mosta little/ much than the second 2.Ability objects： Make students come to a clearer conclusion on what they have learnt about this grammar( comparatives and superlatives) through the revision; Make students use the knowledge in their real life; To learn to cooperate with others and help each other in the group activities. 3. Moral objects To cultivate students self-conscious awareness of environmental protection and love for our home; make them feel proud of being Chinese. the teaching key points: Review comparatives and superlatives with adjective and adverb in this unit. The teaching difficult points: The different expressions of comparatives and superlatives with adjective and adverb and the usage in real situations. Teaching steps: Step 1: Warming-up 1. Make students sing the song The more we get together, the happier well be. 2. Have students make up some sentences similar to the structure. Design intent: remind students of something old related to this knowledge; motivate students curiosity and interests; warm up the atmosphere; Step 2: Tell the facts true or false List some facts from Unit Seven. Make students tell them true or false. If its false, correct the mistakes inside. The facts are: 1.The Yangtze River is the second longest river in China. 2 the longest 2.The Amazon River is much longer than the Yangtze River. (the Amazon is 6,480m long , the Yangtze River is 6,300m long) mucha little 3.Qomolangma is one of the least dangerous places for mountain climbing. the most dangerous 4. No ocean in the world is as big as the Pacific Ocean. (True) 5. China has the smallest population in the world. the biggest 6. China is as big as the US. almost as big as 7. A Fei is less hard-working than Gao Lin. more 8. The elephant weighs many times more than the panda. (True) Design intent: Put different expressions together to make students have a better understanding of comparatives and superlatives by correcting mistakes. Review the important expressions like (almost)asas many times more than lessthan the least/mosta little/ much than the second Step 3: Discussing time: work in groups to talk about the facts in different ways 1. Give students the information and talk about them in groups and write down as many sentences as they can in different ways: (5 minutes or so) the Amazon River is 6,480m long, the Yangtze River is 6,300m long 2.Check the results. Make two students show their sentences on the blackboard. 3.Comment on it and show the teachers idea on the slide. The teachers expressions: The Amazon River is almost as long as the Yangtze River. The Amazon River is a little longer than the Yangtze River. The Yangtze River is a little shorter than the Amazon River. 3 The Yangtze River is not as long as the Amazon River. The Yangtze River is less long than the Amazon River. The Amazon River is the second longest River in the world. The Yangtze River is the third longest River in the world. Design intent: Help students express differently by comparing two things to consolidate comparatives and superlatives; make students teach and help each other and learn to cooperate in group activities. Step 4: Exercises: Fill in the blanks. 1. Fill in the blanks in the passage which is about environmental problem with proper forms of words given. The planet we live in is the earth. Its so _ (beautiful) that we can travel to so many interesting places. But now, its crying. Humans are making the environment _ and _ (bad). Factories pour dirty water into the rivers and lakes. As a result, there are _ and _(few) animals living inside. They also let harmful smoke get into the sky so that the air pollution is getting _ and_ _(serious). People cut down the forests, kill the animals for bones, furs, feathers so that the number of many endangered animals is getting _ and _(small) In order to protect our beautiful home, take action now! The _(much) we do today for it, the _ (good) our home will be in the future! 2.Guess the word harmful and the phrases take action first. Look the passage through, then fill in the blanks individually. 3.Check the answers and translate something difficult. Design intent: Check the students abilities to use comparatives and superlatives in real situations; cultivate the students self-conscious awareness of environmental protection and love for our home. Step 5: Writing time: 1.Write a passage about China according to the form and the help of the useful structures(They can be chosen to use). population big / large 4 The Great Wall long Qomolangmadangerous mountain climbing The Yangtze River The Yellow Riverlong mother river PandasSymbol the number small endangered What you think of China great love be proud Use the help of these expressions: one of No is asas the second notasas lessthan muchthan 2. Explain it to the students and students do it individually. 3. Share some compositions in front of class and make students comment on them. 4. Show the teachers writing sample. China is a very great country. It has the biggest population in the world. But the peoples lives are far better than before. China has the longest wall in the world. No another wall is longer than the Great Wall. Qomolangma, one of the most dangerous places, is mountain climbers favorite. The Yangtze River, the longest river in China, is the third longest in the world. Another famous river is Yellow River. Its not as long as the Yangtze River. Many Chinese people call them Mother River. Pandas are a symbol of China. But the number of pandas is getting smaller and smaller. Chinese government spends a lot saving this kind of endangered wild animals. We all hope that in the future there will be a lot more pandas. I love China! I am proud that I am Chinese! Design intent: Writing is an output process. Students can think and organize the knowledge again by writing an article. Another purpose is to educate them to be a person who is proud of being Chinese. Step 6: Summary: What do you want to say at the end of the class? 1.Make students say whatever they want to say. 2.Show the sentences: Protecting the earth is protecting ourselves ! Love our country! Do what we can to make it stronger and more beautiful! 5 Design intent: Give students chances to express in English with what they have learnt in class. Its good for their development in spoken English and it can also make them listen more carefully in class at the same time. Step7: Homework 1.Finish the writing task, check it carefully and then share it with your close friends. 2.Review Unit 7 Design intent: Because the time is not enough for everyone to finish the writing task, some students need to finish it at home; appreciating others writing is a good way to learn from each other and it can bring friends closer together as well. Board design: Reflection: Unit 7 Whats the highest mountain in the world? Grammar revision (the feedback of students groupwork)