八年级下Unit7 Section A 1课件（33页）
1. long 2. deep 3. high 4. big 5. happy 6. many 7. popular 8. little 9. good longer longest deeper higher bigger happier more deepest highest biggest happiest most more ～ less most ～ least better best • What is your favorite subject? • Can you guess what my favorite subject is? • What can we learn in a geography class? geography mountain desert salt lake fresh lake river lake ocean Unit 7 What’s the highest mountain in the world? SectionA(1a-2d) Can you read the numbers? 89 125 1,025 6,671 8,844.43 9,600,000 1,300,000,000 thousand 千 million 百万 billion 十亿 thousands/millions /billions of + n复 数 eighty-nine one hundred and twenty-five one thousand and twenty-five six thousand six hundred and seventy-one eight thousand eight hundred and forty-four nine million six hundred thousand one billion three hundred million point four three What do you know about these numbers? 8,844.43 6,671 1025 9,600,000 珠穆朗玛峰 Qomolangma 尼罗河 The Nile 里海 The Caspian Sea 撒哈拉沙漠 The Sahara New Words • • • • • • • square n. 平方 tour n/v. 旅行，旅游 meter n. 米 tourist n. 旅行者，观光者 deep adj. 深的 wall n. 墙 desert n. 沙漠 ancient adj.古老的古代的 population n. 人口 protect v. 保护，防护 Asia n. 亚洲 wide adj. 宽的，宽阔的 amazing adj. 令人大为惊奇的 1a Match the facts you know. 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 …8,844.43 meters high. …8,844.43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。 e.g. The wall is 1.7 metres wide. 1b Listen and complete the sentences. higher than any other 1. Qomolangma is ______ mountain in the world. the biggest desert in 2. The Sahara is ____________ the world. the deepest of all 3. The Caspian Sea is ____________ the salt lakes. the longest river in the world. 4. The Nile is _________ 2a Listen and number the facts(1- 4) in the order you hear them. 6,300 5,000 5,464 300 4 The Yangtze River is about ____ kilometers long ___ and the Yellow River is ___ kilometers long. 2 China has the biggest population in the world. ___ It’s a lot bigger than the population of the US. 1 China is over ___ years old. It has a much longer ___ history than the US. The US is not even ___ years old. 3 China is almost as big as the US, but it is the ___ biggest country in Asia. 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 _______ 6,300 kilometers long and the Yellow River 5,464 kilometers long. is ______ ___ China has the biggest population in the world. It’s a lot bigger than the population of the US. ___ China is over ______ 5,000 years old. It has a much longer history than the 300 years US. The US is not even ___ old. ___ China is almost as big as the US, but it is the biggest country in Asia. 1c,2c Make conversations using the information in 1b and 2a. A: Did you know that China is one of the oldest countries in the world? B: Yes, I did. it’s much older than my country. A: What is the longest river in China? B: Yangtze River. A: How long is it? B: It’s 6,300 meters long. A: Yeah! You are right! 2d Read the conversation and answer the questions: 1. Which is the biggest man-made objects in the world？ The Great Wall. 2. Which is the most famous part of the Ming Great Wall? Badaling part of the wall. The Great Wall 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。 6. the Ming Great Wall 明长城 “明长城”是指明朝时期为了防御北方游 牧民族的骚扰，历时一百多年在北部地区 修筑的军事防御工程。这段长城东起辽宁 虎山，西至甘肃嘉峪关，从东向西横贯多 个省、 直辖市、自治区，全长约8850千 米，是现存历代长城遗迹中最完整、最坚 固的。 Language points 1. Feel free to ask me anything on today’s 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。 feel free是英语口语中一个常用表达。若有人 让你feel free to do something,就是让你无需拘 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. How long is the wall? 长城有多长？ How long/ How high/How deep/How far…? 多长/多高/多深/多远……? It’s about…meters/kilometers long. 3. ancient emperors 古代的皇帝 4. 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, Jack’s got twin sisters. 就我所知，杰克有一对孪生姐妹。 5. man-made 人造的 单项选择 Exercise ( A ) 1. The bike cost me ________ yuan. A five hundred and forty B five hundreds forty C five hundred forty D five hundred forty ( B ) 2. ____ people in the world are sending and receiving e-mails every day. A. Million of B. Many millions of C. Several million of D. Several millions ( A ) 3. _______ trees were planted on the mountain last year. A. Thousands of B. Thousand of C. Five thousand of D. Five thousands. ( B ) 4. ---Can you write the number eighty-five thousand, six hundred and twenty-six? ---Yes, it is __________. A. 856620 B. 85626 C. 58662 D. 58626 5. Lucy is very short, but she is ___ C than her sister. A. shorter B. longer C. taller D. older 6. Frank is ____ A friendly than his brother. A. a little more B. a few more C. much D. a little C 7. Sam is ____at Chinese than Jim. A. good B. well C. better D. gooder 8. This one is too large. Can you show me a _____one? D A. larger B. large C. small D. smaller 9. Do you think March is ____than January? A Yes, it’s __ warmer. A. better, a little B. well, much C. worse, very D. nicer, quite 1.To memorize the important phrases and sentences. 2.To make some dialogues about asking the size of objects. 3.Preview the new words of 3a-4c.