人教版八年级下册unit7-教案.pdf

人教版八年级下册unit7- 教案 1 / 22 Unit 7 Whats the highest mountain in the world? 教学目标： 1 语言目标：掌握本单元重点词汇及能用比较级和最高级谈论各之最。 2 技能目标：能听懂和谈论有关地理和自然的话题。 3 情感目标：培养学生热爱大自然，保护环境的意识。 教学重点： 短语: in size, in the world, 2 meters tall/long/wide, the biggest population, one of the biggest, the most popular question, talk about, the ancient emperors, the main reason, as far as I know, no man-made objects, mountain climbing, the southwestern part of China, thick clouds, cover the top, risk ones life, challenge oneself, achieve ones dream， the forest of nature, try to do sth., the spirit of the climbers, many times more than ,live up to, prepare for, be awake, be special to sb., spend some time doing sth., in the remaining forest, endangered animals, in the future 句子: Whats the highest mountain in the world? Qomolangma. How long is Qomolangma? It s 8,844.43 meters high. Its higher than any other mountain. Which is the deepest salt lake in the world? The Caspian Sea is the deepest of all the salt lake. Did you know that China is one of the oldest countries in the world? Yes, I did. Its much older than the US. 教学难点 ：形容词和副词的比较级和最高级变化规则和用法。 物体之间的对比。 课时划分： Period 1 Section A 1 1a 2d Period 2 Section A 2 3a-3c Period 3 Section A 3 Grammar Focus-4c 人教版八年级下册unit7- 教案 2 / 22 Period 4 Section B 1 1a-2e Period 5 Section B 2 3a-Self check Section A 1 (1a 2d) Step 1 Presentation square n. 平方meter n. 米deep adj. 深的 desert n. 沙漠population n. 人口population n. 人口 Asia n. 亚洲tour v. n. 旅行tourist n. 旅行者 wall n. 墙amazing adj. 令人大为惊奇的 ancient adj. 古代的wide adj. 宽的；宽阔和 Step 2 Warming-up 1. Watch the photos and talk about them “How big/high/long/big is ? and help the students to answer: It s meters/kilometers/cm big/high/long/big. 2. Look these photos and practice the dialogue: e.g. A: How high is Qomolangma? B: Its 8,844 meters high. Step 3 1a Match the facts you know. Practice in pairs using the information in 1a. Qomolangma about 9,600,000 square kilometers in size The Sahara 1,025 meters deep The Caspian Sea 6,671 kilometers long The Nile 8,844.43 meters high Step 4 Explaination 8,844 meters high. 8,844 米高 meters high (long, wide) 米高（长 ,宽) 。 英语表示 “ 有多长（宽，高 ）” 时，一般将数词和数量单位放在表示长宽高的 形容词前作状语。 人教版八年级下册unit7- 教案 3 / 22 e.g. The wall is 1.7 metres wide. Step 5 Listening 1. 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. 2. 2a Listen and number the facts(1- 4) in the order you hear them. 2b Listen again and fill in the blanks in 2a with the numbers in the box. 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 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. Step 6 Practice 1c Make conversations in pairs. Examples A: Did you know that China if one of the oldest countries in the world? B: Yes, I did. It s much older than my country. Step 7 2d Read the conversation and answer the questions: 1) Which is the biggest man-made objects in the world ？ 2) Which is the most famous part of the Ming Great Wall? Step 8 Language points and summary 1. Fell free to ask me anything on todays Great Wall tour. 在今天的长城游中，大家尽管问我任何问题，不要拘束。 fell free 是英语口语中一个常用表达。若有人让你feel free to do something, 就 人教版八年级下册unit7- 教案 4 / 22 是让你无需拘束，只管按照自己的意愿去做某事。 e.g. A: Can I use your bathroom? 我可以用一下你的卫生间吗？ B: Yes, feel free. 可以，请随意。 2. As far as I know, there are no man-made objects as big as this. 据我所知，再没有像它这样大的人造物体了。 as far as I know是一个固定的表达方式， 还可以说 so far as I know, 意思是 “ 据 我所知 ” 。 e.g. As far as I know, Jacks got twin sisters. 就我所知，杰克有一对孪生姐妹。 Theyre not coming today, so far as I know. 他们今天不来了 就我所知是这样的。 Step 9 Homework A: To memorize the important phrases and sentences. B: to make some dialogues about asking the size of objects. Section A 2 (3a 3c) Step 1 Revision Look at the photos. Answer the following questions. Which is the highest mountain in the world? Which is the longest river in Asia? Step 2 Learn the new words. 1. achievement n. 成就；成绩 e.g. We felt a great sense of achievement when we reached the top of the mountain. 当我们到达山顶的时候，我们有一种巨大的成就感。 2. achieve v. 达到；完成；成功 e.g. He will never achieve anything if he doesnt work harder. 如果他不加紧努力工作，他会一事无成。 3. southwestern adj. 西南的；西南方向的 e.g. Is this Southwestern Airline? 这是西南航空公司吗？ 4. include v. 包含；包括 人教版八年级下册unit7- 教案 5 / 22 e.g. Her hobbies include swimming and gardening. 她爱好游泳和园艺。 5. condition n. 条件；状况 e.g. The piano was in good condition. 这台钢琴状况良好。 6. take in 吸入；容纳 e.g. Fish take in oxygen through their gills. 鱼用鳃吸氧气。 7. succeed v. 实现目标；成功 e.g. If you try hard youll succeed. 你如果努力就会成功。 常用短语： succeed in doing sth. e.g. Police have finally succeeded in solving the mystery. 警察最终成功破解了这个 疑案。 8. challenge v. 副词的最高级前省略the。 范围问题 e.g. Tom is the tallest student in the class. Spring is the best season of the year. “ 之一” 问题 e.g. Beijing is one of the biggest cities in the world. “the + 序数词 + 最高级 ” e.g. I think he is the second tallest boy in his class. 3. 比较级和最高级的转换 e.g. Tom is the tallest student in the class. = Tom is taller than any other student in the class. = Tom is taller than all the other students in the class. = No other students are taller than Tom. 2. 同级比较 as + adj./adv. + as e.g. She is as thin as Lily. He writes as carefully as Linda. not + as/so + adj./adv. + as e.g. Tony didn't run so fast as Carter 学以致用 1. Our family has bought a car so we can travel _ than before.（2008 陕西） A. most easily B. less easily C. easily D. more easily 2. My father told me a story last night. It is _ one I ve ever heard.（2009 陕西） A. the funniest B. funniest C. funnier D. the funnier 人教版八年级下册unit7- 教案 13 / 22 3. The _ friends you have, the _ you will be. （2010陕西） A. more, happy B. many, happy C. more, happier D. many, happier 4. When he heard a cry for help, he ran out as _ as he could.（2011陕西） A. hardly B. quickly C. finally D. slowly 5. This place is not big enough for Lucys birthday party. We should find a _ one. （2012陕西） A. big B. small C. bigger D. smaller Step3 Writing Write five questions using comparisons. Then ask your partner your questions Step 4 Fill in the blanks with the correct forms of the words in the box. big much popular long old high 1. The Amazon River is one of the _ rivers in the world. Its a little _ than the Yangtze River. 2. Qomolangma is 8,844.43 meters _. Its one of the most _ places for serious mountain climbers. 3. No ocean in the world is as _ as the Pacific Ocean. 4. Although Japan is _ than Canada, it is _ smaller. Step 5 Write two comparisons about two topics. Write true facts. e.g. Two rivers: the Yangtze River and the Amazon River The Yangtze River is almost as long as the Amazon River. The Amazon is longer than the Yangtze, but the Yangtze River is the longest river in China. Two cities: _ and _ 1. _. 2. _. Two animals: _ and _ 1. _. 人教版八年级下册unit7- 教案 14 / 22 2. _. Step5 Homework 1. To memorize the important phrases and sentences. 2. To make some sentences using as as, . times than, less than, more than Section B 1 (1a-2e) Step 1 New words 1. weigh v. 称重2. adult n. 成人 adj. 成年的3. bamboo n. 竹子 4. endangered adj. 濒危的5. research n.&v. 调查；研究 6. keeper n. 饲养员7. awake adj. 醒着8. excitement n. 激动 9. illness n. 疾病10. artwork n. 插图11. wild adj. 野生的 12. government n. 政府 Step 2 Discussion 1. Compare facts about these two animals. Use the language in the box to help you make sentences. e.g. This elephant weighs many times more than this panda. (200 cm taller/shorter, weigh much more/less, eat much more/less, eat many times more) 2. Discuss in pairs. Compare the panda and the elephant. 3. Do 1a.Make more sentences using the information in 1a. Step 3 Listening 1. 1b Listen and check() the numbers you hear. 1c Listen again and complete the sentences. 2. Practice. Take turns telling your classmates about pandas. A: A baby panda can not see. B: An adult panda weighs many times more than a baby panda. Step 4 Discussion Here are some facts about koala, use the information above to make sentences. Koala is 75 cm tall weighs 10 kilos eats leaves sleeps 20 hours a day 人教版八年级下册unit7- 教案 15 / 22 Step 5 Reading 1. Pre-reading Talk about panda in your class. Use these words to help you. big, bamboo, zoo, popular, cute, black and white, Sichuan, famous, endangered, beautiful, forest, protect, 2. Reading guidance: scanning This means moving your eyes quickly down the page to find specific information. 3. Reading tasks 1. 2b Scan the article to find out what these numbers mean: 10, 12, 200, 2000 2. 2c Scan the article again and write short answers to the questions. 1. What is Lin Weis job? 2. What do the baby pandas eat for breakfast? 3. What do adult pandas eat? 4. Why are pandas endangered? 5. What is one way of saving pandas? Key: 1. A panda keeper. 2. Milk. 3. Bamboos. 4. Less forest for pandas to live. 5. Teaching children. 3. 2d Complete the sentences using words and phrases from the passage. 1. The panda _ at the Chengdu Research Base are awake very early in the morning to _ breakfast for the baby pandas. 2. Adult pandas do not have babies very _, and some of the babies only live for a short time because of _. 3. Another reason for fewer and fewer pandas is because people are cutting down _ so pandas have fewer places to live. 4. A special program in Chengdu teaches _ about why pandas are _ and how to save them. 人教版八年级下册unit7- 教案 16 / 22 5. The _ is also helping to save the pandas. It s _ more trees to make more homes for the pandas. Keys: keepers, prepare, often, illnesses, trees, children, endangered, Chinese government, necessary to plant 2e Discuss what other ways you think children can help to save the pandas. Step 6 Language points 1. At birth, a baby pa nda is about birth v.出生at birth 出生时 e.g. Man s nature at birth is good. 人之初，性本善。 give birth to 生（孩子）；产生 e.g. My aunt gave birth to a beautiful baby girl yesterday. 昨天我婶婶生下一个漂亮的小女孩。 2. A panda can live up to 20 to 30 years. up to 到达（数量，程度等）；不多于 e.g. In some area of Africa, children get educated up to 12 years old. 在非洲的一些地区，孩子最多受教育到12 岁。 3. they run over with excitement and some of them even walk into their friends and fall over! run over 跑上前去over adv.穿越；从 的一边到另一边 e.g. She ran over to say hello, but I didnt recognize her. 她跑过来打招呼，但我没有认出她来。 walk into （走路时意外）撞上 e.g. As he was thinking too deeply and not playing attention to where he was going, he walked straight into a tree. 由于他陷入深思，没有注意看路，径直撞到了一棵树上。 fall over 摔倒；倒下 e.g. Don t run too fast, or you might fall over. 别跑的太快，要不你会摔跤的。 fall over something 被某物绊倒 e.g. Tommy fell over the dog and broke his front teeth. 人教版八年级下册unit7- 教案 17 / 22 Tommy 被那只狗绊了一跤，磕断了门牙。 4. Scientists say there are now fewer than 2,000 pandas living in the remaining forests. living in the remaining forests 是一个现在分词短语，用做定语，修饰pandas 。 e.g. the girls singing under the tree 树下唱歌的女孩们 the women washing clothes by the rive 河边洗衣服的女人们 Step 7 Summary 1. cm taller/shorter 2. much /even/a little/less + 比较级 3. times more than . 4. Talk about how to protect pandas. Step 8 Homework Make a list about how to save pandas. Section B 2 (3aSelf check) Step 1 Summary Important phrases: feel free, as far as I know, in the face of, even though, at birth, up to, run over, walk into, fall over, or so Key sentences: Whats the highest mountain in the world? Qomolangma. How long is Qomolangma? It s 8,844.43 meters high. Its higher than any other mountain. Which is the deepest salt lake in the world? The Caspian Sea is the deepest of all the salt lake. Did you know that China is one of the oldest countries in the world? Yes, I did. It s much older than the US. Important structures: 1. cm taller/shorter 人教版八年级下册unit7- 教案 18 / 22 2. much /even/a little/less + 比较级 3. times more than . 4. Talk about how to protect pandas. Step 2 Lead in 对于鲸鱼你知道多少？ 鲸的体型是世界上存在的动物中最大的，鲸是终生生活在水中的哺乳动物， 对水的依赖程度很大， 以致它们一旦离开了水便无法生活，鲸形状像鱼， 鼻孔在 头的上部，用肺呼吸。体长可达三十米，是现在世界上最大的动物。 鲸为适应水中生活，减少阻力，它们的后肢消失，前肢变成划水的浆板。身 体成为流线型，酷似鱼。因而它们的潜水能力很强，小型齿鲸可潜至100-300米 的水深处，停留 4-5 分钟，长须鲸可在水下300-500 米处待上 1 小时，最大的齿 鲸-抹香鲸能潜至千米以下，并在水中持续2 小时之久。 Step 3 Writing 3a Read the following words and phrases about whales. Put them in the correct place in the chart. 1. Humans catch whales for meat, fat and oil 2. Eat small fish and other sea life 3. Jump high out of the water 4. Rules on whale protection 5. Huge 6. Water pollution 7. Live in the sea 8. Some kinds have teeth 9. Learn more about whales 10. Stop putting rubbish into the sea 11. Sing songs 12. Whale parts sold to make things likes candles and soap What do they look like？ 5 8 人教版八年级下册unit7- 教案 19 / 22 Where do they live? 7 What do they eat? 2 What can they do? 3 11 Why do some of them have to be protected? 1 6 12 How can we protect them? 4 9 10 3b Write a paragraph about whales and why they need to be protected. Use the information in 3a. Then make a poster. Whales are They live in They eat They can One interesting fact is Another interesting fact is Some kinds of whales are in danger because We should protect whales from I think people should/shouldnt Step 4 Self-check Read these words then find the rules. clever-cleverer-cleverest nice-nicer-nicest easy-easier-easiest fat-fatter-fattest thin-thinner-thinnest beautiful-more beautiful-the most beautiful careful-more careful-the most careful good/well-better-best bad-worse-worst many/much-more-most 1. Complete the chart. 人教版八年级下册unit7- 教案 20 / 22 Adjectives Comparatives Superlatives high higher highest dangerous more dangerous the most dangerous long longer longest popular more popular the most popular 2. Match verbs and objects. Then add one more object to each list. Verbs Objects 1. reach a. my life, my money,my health 2. achieve b. the top of a mountain, the library, the farmhouse 3. risk c. my dream, success,the ends Answers: 1-b, 2-c, 3-a 3. Circle the correct word and /or fill in the blank with the correct form of the word in brackets for each sentence. 1. An elephant weighs (few/many) times more than a dog. 2. An adult panda can eat (much/a little) more than a cat. 3. Canada is a (little/lot) less _ (crowded) than China. 4. A tiger is (much/a little) _ (strong) than a man. Answers: 1. many 2. much 3. lot more crowed 4. m