《人教版英语八年级下册U7.ppt》由会员分享，可在线阅读，更多相关《人教版英语八年级下册U7.ppt（65页珍藏版）》请在金锄头文库上搜索。
1、Unit 7,Whats the highest mountain in the world?,Whats the highest mountain in the world?,Its _.,Qomolangma,Qomolangma is the highest mountain in the world. Its 8844.43 meters high.,Its _.,Whats the longest river in the world?,The Nile is the longest river in the world. Its 6,671 kilometers long.,The
2、 Nile,Its _.,The Caspian Sea,The Caspian Sea is the biggest lake in the world. It is 1,025 meters deep.,Whats the biggest lake in the world?,Its _.,Whats the biggest desert in the world?,The Sahara is the biggest desert in the world. It is about 9,600,000 square kilometers in size.,The Sahara,Match
3、the facts you know.,1a,1. 形容词比较级和最高级,比较级在词尾加er 或词前加more; 最高级在词后加est或词前加most。,A与B相比更 A + be + 形容词比较级 + than + B,A与B一样 A + be + as +形容词原级 + as + B,A是中最 A + be + the +形容词最高级 + 范围,比较级前可用much, a little, even, far 等修饰。,不规则变化,2. 数字表达法,英语中一千以上数字的表达方法是从数字的右端向左端数起，每三位数加一个逗号。从右开始，第一个逗号前数字后加thousand，第二个逗号前数字后加m
4、illion，第三个逗号前数字后加billion，然后一节一节分别表示。,2648 16250064 5237166234,16, 250, 064,2,648,5, 237, 166, 234,3. 英语表示 “有多长(宽，高)”,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，即 数词+ 数量单位(meters / kilometers) +长宽高 (long, wide ,high，) 米高（长，宽)。,The wall is 1.7 meters wide.,小数点读point.,Listen and complete the sentences.,1. Qomolangma is
5、 _ 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,Use the information in 1b to make conversations.,What is the highest mountain in the world
6、?,Qomolangma.,1c,Listen and number the facts(1- 4) in the order you hear them.,_ 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
7、 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.,4,2,1,3,2a,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 th
8、e Yellow River is _ kilometers long. _ China has the biggest population in the world. Its a lot bigger than the population of the US.,6,300,5,464,2b,_ 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 th
9、e biggest country in Asia.,5,000,300,6,300 5,000 5,464 300,population,1. 集合名词，常与 the 连用。作主语时 谓语用三单形式。,2. 表示人口多少用 large/big和 small。 India has a large population.,3. 问具体人口用 Whats the population of Whats the population of Canada?,population,4. 当被分数，百分数修饰的时候，谓语动词用复数。About 60 percent of the population he
10、re are farmers.,5. 表示一个国家或地区有多少人口时用 （1）the population of The population of China is about 1.3 billion (2) have/has a population of China has a population of about 1.3 billion.,Make conversations using the information in 2a.,A: Did you know that China is one of the oldest countries in the world? B: Y
11、es, I did. its much older than my country.,Practice,2c,中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，北京境内的长城有600余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。,The Great Wall,G: Feel free to ask me anything on todays Great Wall tour. T1: How long is the wall? G: Ah, the most popular question! If wer
12、e only talking about the parts from the Ming Dynasty, its about 8,850 kilometers long. This makes it the longest wall in the world.,Role-play the conversation.,2d,T2: Wow, thats amazing! Why did the ancient emperors build the wall? G: The main reason was to protect their part of the country. As you
13、can see, its quite tall and wide. As far as I know, there are no man-made objects as big as this. T3: Is Badaling part of the Ming Great Wall? G: Yes, its the most famous part.,1953年5月29日，英国登山队的新西兰人希拉里和夏尔巴人丹增诺盖从南坡登顶，成为目前被认可的最早成功登上珠穆朗玛峰的人。,Edmund Hillary,Tenzing Norgay,日本登山运动员。1970年她登上了海拔 7577米的安纳布尔纳
14、峰。1975年 5月16日，她从东南山脊路线登上了海拔8848米的珠穆朗玛峰，是世界登山运动史上第1个踏上地球之巅的女性。,Junko Tabei,1 9 6 0 年中国登山队 首次登上珠穆朗玛峰。 在挑战最后的难点 海拔8700米至8750米 处的悬崖时，登山队 员刘连满毅然用自己的身体搭成“人梯”，让另外 的队员踩着自己的肩膀往上攀登，这也就是中国 登山界著名的“人梯精神”。 “人梯精神”使中国人 在世界登山史上第一次创造了从北坡征服珠峰的 历史壮举。,Read the article and match each paragraph with the main ideas.,3a,Par
15、agraph 1 Spirit of climbers Paragraph 2 Achievements of climbers Paragraph 3 Facts and dangers,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, 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 serio
