Unit 7 What's the highest mountain in the world Section A (1a-1c)课件 2024-2025学年人教版英语八年级下册

人教版英语 八年级下册 Unit 7 What’s the highest mountain in the world? Section A (1a-1c) Teaching objectives By the end of the class, you will be able to 1、Use the new words and phrases correctly. (正确使用下列单词和词组;) Square, meter, deep desert ,population , in size , in the world, any other. 2、 Express large numbers.(掌握表达较大的数字;) 3、 Apply different forms of competitives and superlatives with adjectives to talk about geography and nature. (使用形容词的比较级和最高级形式谈论地理和自然。) 235876600220 , , 2358 7660 0220 两千三百五十八亿七干六百六十万零二百二十 Do you know how to say this string(串)of number in Chinese? step1 Leading-in 220 hundred 百 thousand 千 million 百万 billion 十亿 600, 76, 235,8 Do you know how to say this string(串)of number in English? 大于一千的基数词英语表达法 1 从数字的右端向左数,每三位数加一个逗号; 2 第一个逗号前的数为thousand(千),第二个逗号前的数为million( 百万),第三个逗号前的数为billion(十亿); 3 读的时候,通常在hundred 后面加and,如果百位数为0,则在 thousand后面加and 读一读 2,674 two thousand six hundred and seventy-four 164,213,403 one hundred and sixty-four million, two hundred and thirteen thousand, four hundred and three 18,357,089 eighteen million, three hundred and fifty-seven thousand, and eighty-nine 3,674.09 two thousand six hundred and seventy-four point zero nine Can you guess where our teacher is enjoying natural beautiful scenes? step 2 Warm-up Longnan is a beautiful city with a history of more than 2,400 years. It's about 1,641 square kilometers in size 面积 The population of Longnan is about 338,200. 人口 千米 [skwe ] Mountain Jiulian is the highest mountain in Longnan. It's about 1,840 meters high. =MountainJulian is higher than any other mountain in Longnan=MountainJulian is higher than the other mountains in Longnan =It's about 1,840 meters in height. the highest mountain What's the highest mountain in the world? Step3 pre-listening How high is Qomolangma? It's 8,844.43 meters high. [ t m l m ] the biggest desert What's the biggest desert in the world? How large is the Sahara? It's about 9,600,000 square kilometers in size. [s 'h :r ] the deepest salt lake What's the deepest salt lake in the world? How deep is the Caspian Sea? It's 1,025 meters deep. ['k sp n] [di p] the longest river What's the longest river in the world? How long is the Nile? It's 6,671 meters long. [na l] Qomolangma 8,844.43 meters high The Sahara about 9,600,000 square kilometers in size The Caspian Sea 1,025 meters deep The Nile 6,671 kilometers long 英语表达 长、宽、高、深、面积的表达方法: 1、基数词 + 单位词 + 形容词(long, wide, high, deep等) 2、基数词 + 单位词 + in + 名词(length,width, height, deepth 等) 如何询问:A: How high/long/deep/large/wide is it? B: It’s+数词+数量单位+high/long/deep/large/wide Read the sentences. 26cm 18.5cm 5.2cm Use the information to make conversations. A: Howhigh/long/ deep/large/wide is it? B: It’s+数词+数量单位+high/long/ deep/large/wide Practice 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 1b Listen and complete the sentences. Step5 while-listening(p49) 用比较级表示最高级 e.g. Qmolangma is higher than any other mountain in the world. 一个比较级的句子表达的是最高级的意思的句型: 主语+谓语+比较级+than any other+可数名词单数 =主语+谓语+比较级 + than the other + 名词复数 =主语+谓语+(the +)最高级+in短语或of短语 该结构意为“比其他任何一个……都……”,指同一范围内比较 =Qomolangma is higher than the other mountains in the world. =Qomolangma is the highest mountain in the world. The Sahara is desert in the world. the Sahara =The Sahara is _ _than _ _deserts in the world. =The Sahara is _ _than _desert in the world. bigger bigger any other the other the biggest Exercise Tom is taller than girl in his class. Tom is taller than student in his class. Tom is taller than students in his class. any any other 2. 比较级 + than any(任何的)+ 可数名词单数” 指比较对象不在同一范围内或不属于同一类别的比较 the other Teacher :Yesterday, we learned some important geographical facts. I hope you all still remember them. I'm going to test you now by asking a few questions. First, what's the highest mountain in the world? Boy1:… Teacher:… Who can tell me what the Sahara is? Girl:… Teacher:… And which is the deepest Salt Lake in the world? Girl2… Teacher:… Which is the longest river in the world? Boy2:… Boy1: And the Amazon is the second longest river in the world. Teacher: It seems that you know the answers to all my questions. Step6 post-listening (p103) Listen again and answer the questions by yourself. 地理学的 第二长的 Use the information in 1b to make conversations by yourselves. 1c Example A: What is the … in the world? B: … A: How ... is ...? B: It's (about) ... . Step7 Exercise 一、单项选择 1.The Yangtze River is about _. A. 6300 kilometer long B. 6300 kilometers long C. 6300-kilometer -long D. 6300 kilometers’ long 2.The girl is _ than any other girl in her class. A. more beautiful B. the most beautiful C. beautiful D. much beautiful B A 二、翻译句子 1、我们学校的面积大约是1000平方米。 Our school is about 1000 . 2、这座山有1500米高。 The mountain is . 3、长江是中国最长的河流。 The Yangtze River is river in Chian. 4、中国比亚洲其他任何一个国家都要大。 Chian is than in Asia. square meters in size 1500 meters high the longest bigger any other country 观看视频(世界之最) Thank you! Step7 homework 观看视频后用形容词的最高级句型写出视频中5个世界之最。 63815.812 Lavf61.7.100 $$