八年级下册第七单元

1、Unit 7 Whats the highest mountain in the world?,Section A 1a-2d,Presentation,square n. 平方,meter n. 米,deep adj. 深的,desert n. 沙漠,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,Language Goal: Talk about geography and nature,一、用英

2、语写出下列数字：,ninety-eight thousand seven hundred and fifty-four,Nine hundred and eighty-three,Exercise,five hundred (and) sixty-six,seven hundred and nine,566_ 709_ 983_ 98, 754_ _,练一练 345 1001 18,657,421,three hundred and forty-five,one thousand (and) one,eighteen million, six hundred and fifty-seven t

3、housand, four hundred and twenty-one,3, 872,Three thousand eight hundred and seventy-two,46, 290,Forty-six thousand two hundred and ninety,58, 230,Fifty-eight thousand two hundred and thirty,596 84,321 9,648,215,five hundred and ninety-six,eighty-four thousand three hundred and twenty-one,Nine milli

4、on, six hundred and forty-eight thousand, two hundred and fifteen,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,1a. Match the facts you know.,1. Qomolangma is_ than any other mountain in the world

5、. 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.,1b. Listen and complete the sentences.,higher,the biggest,the deepest,the longest,1c. Use the information in 1b to make conversations.,A: What is the highest mountain in the

6、world?,B: Qomolangma.,A: What is the biggest desert in the world?,A: What is the deepest salt lake in the world?,Pair work,A: What is the longest river in the world?,B: Sahara.,B: Caspian sea.,B: Nile.,_ The Yangtze River is about _kilometers long and the Yellow River is_ kilometers long. _ China ha

7、s the biggest population in the world. Its a lot bigger than the population of the US.,2a. Listen and number the facts 1-4 in the order you hear them.,6,3005,0005,464300,2,4,_ 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

8、 as the US, and it is the biggest country in Asia.,1,3,2b. Listen again and fill in the blanks in 2a with the numbers in the box.,_ 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 populat

9、ion of the US.,6,3005,0005,464300,2,4,6,300,5,464,_ 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, and it is the biggest country in Asia.,1,3,5,000,300,A: Did you know that China is one of the oldest countries i

10、n the world? B: Yes, I did. Its much older than my country.,2c. Make conversations using the information in 2a.,Group work,18,657,421,eighteen million, six hundred and fifty-seven thousand, four hundred and twenty-one,9,648,215,Nine million, six hundred and forty-eight thousand, two hundred and fift

11、een,58, 230,Fifty-eight thousand two hundred and thirty,1.in size 在大小上 2. one of the oldest countries 最古老的国家之一 3. feel free to do sth. 随意地做某事 4. as far as I know 据我所知 5. man-made objects 人造物体 6. the highest mountain 最高的山脉,Guide： Feel free to ask me anything on todays Great Wall tour. Tourist 1：How l

12、ong is the wall? Guide： Ah, the most popular question! If were only talking about the parts from the Ming Dynasty, its about 8,850 kilometers long. This makes it the longest wall in the world.,2d. Role-play the conversation.,Tourist 2: Wow, thats amazing! Why did the ancient emperors build the wall?

13、 Guide: The main reason was to protect their part of the country. As you can see， its quite tall and wide. As far as I know, there are no man-made objects as big as this. Tourist 3: Is Badaling part of the Ming Great Wall? Guide: Yes, its the most famous part.,the Himalayas the Amazon River paragrap

14、h n. southwestern adj. thick adj. include v. freezing adj. condition n. take in,喜马拉雅山脉 亚马逊河 段；段落 西南的；西南方向的 厚的；浓的 包括；包含 冻冰的；结冰的 条件；状况 吸入；吞入（体内）,succeed v. Japan n. challenge v. in the face of achieve v. force n. nature n. ocean n. the Pacific Ocean,实现目标；成功 日本 挑战；考验 面对（问题、困难等） 达到；完成；成功 力；力量 自然界；大自然 大海

15、；海洋 太平洋,1、run along 跨越 2. freezing weather 冰冻的天气 3. take in air 呼吸空气 4. the first people to do sth. 第一个做某事的人 5. in the face of difficulties 面临危险 6. give up doing sth. 放弃做某事 7. achieve ones dream 实现某人的梦想 8. the forces of nature 自然界的力量 9. reach the top 到达顶峰 10. even though 虽然;尽管,3a. Read the article a

16、nd match each paragraph with the main ideas.,Qomolangma the Most Dangerous Mountain in the World?,One of the worlds most dangerous sports is mountain climbing, and one of the most popular places for this is the Himalayas. The Himalayas run along the southwestern part of,China. Of all the mountains,

17、Qomolangma rises the highest and is the most famous. It is 8,844.43 meters high and so is very dangerous to climb. Thick clouds cover the top and snow can fall very hard. Even more serious difficulties include freezing weather conditions and heavy storms. It is also very hard to take in air as you g

18、et near the top.,The first people to reach the top were Tenzing Norgay and Edmund Hillary on May 29,1953. The first Chinese team did so in I960, while the first woman to succeed was Junko Tabei from Japan in 1975. Why do so many climbers risk their lives? One of the main reasons is because people want to challenge themselves in the face of difficulties.,The spirit of these climbers shows us that we should never give up trying to achieve our dreams. It also shows that humans can sometimes be st