Unit7第二课时.ppt

八年级（下）学练优八年级英语下（学练优八年级英语下（RJRJ） 教学课件教学课件Section A (3a-4c)Unit 7 Whats the highest mountain in the world? Free Talk Free Talk Do you like mountain climbing? Do you know the most popular places to go for?One of the most popular places to go for mountain climbing is the Himalayas.Read the article and match each paragraph with the main ideas.Spirit of climbersAchievements of climbersFacts and dangersMark True (T) or False (F). 1. It is very dangerous to climb Qomolangma. 2. The first people to reach the top were Tenzing Norgay and Edmund Hillary on May 29, 1955. 3. The first Chinese woman to succeed was in 1960. 4. It shows that humans can sometimes be stronger than the forces of nature.T F F T Ask and answer.1. What mountain is Himalayas?2. Why is it dangerous to climb Qomolangma?3. When did the first Chinese reach the top of Qomolangma?Read the article again and complete the chart.Paragraph 1Paragraph 2Paragraph 13List four dangers for climbersList three achievementsList four comparisonsthick clouds1953-Tenzing Norgay and Edmund Hillary were the first to reach the topmost dangerous sport very high it can snow freezing weather conditions heavy stormsvery hard to breathe as you get near the top 1960-The first Chinese team reached the top 1975- Junko Tabei from Japan was the first woman to reach the top most popular place highest most famous more serious difficulties stronger than the forces of natureAnswer the questions using information from the article.1. Where are the Himalayas?2. How high is Qomolangma?The Himalayas run along the southwestern part of China.Qomolangma is 8,844.43 meters high.3. Why do so many people try to climb this mountain even though it is dangerous?4. What does the spirit of the climbers tell us?Because they want to challenge themselves in the face of difficulties.The spirit of the climbers tells us that we should never give up trying to achieve our dreams.1953年年5月月29日，日，34岁来自岁来自新西兰的登山家新西兰的登山家埃德蒙埃德蒙希希拉里拉里（Edmund Hillary）作为英国登山队队员与作为英国登山队队员与39岁的尼泊尔向导岁的尼泊尔向导丹增丹增诺尔诺尔盖盖Tenzing Norgay 一起沿一起沿东南山脊路线登上珠穆朗东南山脊路线登上珠穆朗玛峰，是纪录上第一个登玛峰，是纪录上第一个登顶成功的登山队伍。顶成功的登山队伍。 1960年年5月月25日，中华人民共和国人首次日，中华人民共和国人首次登上珠穆朗玛峰。他们是登上珠穆朗玛峰。他们是王富洲、贡布王富洲、贡布（藏族）、屈银华（藏族）、屈银华。此次攀登，也是首次。此次攀登，也是首次从北坡攀登成功。从北坡攀登成功。 1960年，我国首次年，我国首次登上地球之颠的登上地球之颠的3名英雄。名英雄。1975年年5月月16日，日本人日，日本人田部井淳子田部井淳子的的从南坡登上了珠峰。从南坡登上了珠峰。 1975年年5月月27日，中国登山队的藏族女队员日，中国登山队的藏族女队员潘多潘多成为世界上第一个从北坡登上珠穆朗成为世界上第一个从北坡登上珠穆朗玛峰的女性。玛峰的女性。 2008年年5月月8日，中日，中国登山队圣火传递国登山队圣火传递珠穆朗玛峰突击队珠穆朗玛峰突击队员，成功地把圣火员，成功地把圣火从从8300米突击队营米突击队营地传递到了珠穆朗地传递到了珠穆朗玛峰峰顶，创造了玛峰峰顶，创造了人类奥运历史上的人类奥运历史上的奇迹。奇迹。 It is meters high (long, wide). 它它米高（长米高（长, ,宽宽) 英语表示英语表示“有多长（宽，高有多长（宽，高）”时，时，一般将数词和数量单位放在表示长、宽、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。高的形容词前作状语。例如：例如：The maintain is more than three thousand meters high. 这座山高三千多米。这座山高三千多米。It is only 380,000 kilometers away. 它离我们只有三十八万公里。它离我们只有三十八万公里。The Green Great Wall is 7,000 kilometers long. 这座绿色长城长这座绿色长城长7,000公里。公里。freezing adj.冻结的冻结的; 冰冻的冰冻的; 极冷的极冷的Its freezing outside now. 现在外面冷极了。现在外面冷极了。Its very cold today, the temperature has dropped to freezing point. 今天很冷今天很冷, 温度降到了冰点。温度降到了冰点。 freeze v. 冻结；冷冻；僵硬；凝固冻结；冷冻；僵硬；凝固Water freezes at the temperature of 0 degrees Celsius. 水在摄氏零度结冰。水在摄氏零度结冰。 We ate some of the fruits and froze the rest. 我们吃了一些水果我们吃了一些水果,把剩下的冷藏起来。把剩下的冷藏起来。知识拓展知识拓展frozen既是既是freeze的过去分词形式，也的过去分词形式，也可用作形容词可用作形容词，表示，表示“冷冻的冷冻的”。 These frozen foods are the most convenient of all. 这些冷冻食品是最为方便。这些冷冻食品是最为方便。英译汉英译汉 above / over freezing 零度以上零度以上 freezing weather 很冷的天气很冷的天气 be frozen to death 被冻死被冻死 give sb. a freezing cold 冷冷地看某人一眼冷冷地看某人一眼 freezing machine 制冷机制冷机 frozen meat 冻肉冻肉 Im frozen, so I cant write. 我冻坏了，不能写东西了。我冻坏了，不能写东西了。 Im freezing, so Ive to put on a heavy coat. 我觉得冷极了，我得穿件厚大衣。我觉得冷极了，我得穿件厚大衣。 thick adj.1. 浓的浓的, 浓厚的浓厚的; 粘稠的粘稠的; 混浊的混浊的It is dangerous to drive in a thick fog. 在浓雾天驾车很危险。在浓雾天驾车很危险。2. 厚的厚的; 粗的粗的How thick is the board? 这块木板有多厚这块木板有多厚?Fill in the blanks with the correct forms of the words in the box.bigmuchpopularlongoldhigh1. 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.longestlongerhighpopular3. No ocean in the world is as _ as the Pacific Ocean.4. Although Japan is _ than Canada, it is _ smaller.bigmuchpopularlongoldhighbigoldermuchWrite two comparisons about two topics. Write true facts.e.g. Two rivers: _ and _the Yangtze Riverthe Amazon RiverThe Yangtze River is almost as long as the Amazon River.The Amazon is longer than the Yangtze, but the Yangtze is the longest river in China.Two animals: _ and _1. _2. _Monkey DogA dog is bigger than a monkey.A monkey is smaller than a dog, but it climbs a tree faster than a dog.Two cities: _ and _1. _2. _Singapore Kuala LumpurKuala Lumpur is as modern as Singapore.Singapore is bigger than Kuala Lumpur and has a larger population than Kuala Lumpur.Write five questions using comparisons. Then ask your partner your questions.1. _2. _3. _4. _5. _What is the highest building in our city?What is the busiest subway station in our city?What is the largest shopping mall in our city?Which is the biggest park in our city?Which is the longest road in our city? 比较级修饰问题比较级修饰问题a little, a bit, even, still, much, a lot, far 等可修饰比较级。等可修饰比较级。e.g. Tom is a little taller than Jim. This book is much more interesting than that one. 同级比较同级比较e.g. The weather in Beijing is colder than that in Xian. Our school is bigger than yours. the + 比较级比较级e.g. Lucy is the fatter of the two girls. “a/an + 比较级比较级” 表示表示“又一，再一又一，再一”e.g. Lily has a doll, but she wants a bigger one. 隐性比较（没有隐性比较（没有than的情况）的情况）e.g. Who runs faster, Lucy or Lily? Youd better come earlier next time. He worked hard last term, but he works even harder this term. 越来越越来越.a. 比较级比较级 + and + 比较级比较级b. the + 比较级比较级 + 句子，句子，the + 比较级比较级 + 句子句子 e.g. Its getting colder and colder. The more you exercise, the better you are. 2. 最高级考点最高级考点说明：形容词的最高级前必须加说明：形容词的最高级前必须加the；副；副词的最高级前省略词的最高级前省略the。 范围问题范围问题e.g. Tom is the tallest student in the class. Spring is the best season of the year. “.之一之一”问题问题e.g. Beijing is one of the biggest cities in the world. “the + 序数词序数词 + 最高级最高级”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. any other + 名词单数名词单数 the other + 名词复数名词复数否定否定 + 比较级比较级 = 最高级最高级 比较级比较级 + 极限极限 = 最高级最高级1. Kate is young, but Joe is _.2. My shoes are new. My sisters are _ than mine.3. Her bag is heavy, and his is _ than hers. But yours is _ of all.youngernewerheavierthe heaviestFinish the sentences with the right forms of the adjectives.4. Toms kite is high. Jims is _ than Toms. Mikes is _ of them all.5. Bill is seven. John is nine and Tom is eleven. Tom is _ than John and Bill. Bill is _ than John. Bill is _ and Tom is _ of the three.the highestolderyoungerthe youngestthe oldesthigher 1. To memorize the important phrases and sentences. 2. To make some sentences using as as, . times than, less than, more than.Homework