Unit07 A1a-2d课件教学讲解

1、Section A 1a-2d1. 会读写并运用本单元的重点词汇和句型。2. 能运用形容词、副词的比较级和最高级。3. 学习数词的读法及倍数的表达法。4. 学会表述事物的长、宽、高、深等。5. 会读并理解本单元的阅读文章,并能用所学词汇表述自己的观点。Do you know these mountains?Mount LuMount HuangMount SongMount TaiMount HuaMount Hengruns along the border between China and Nepal. covered with snow all the year round. 8844

2、.43 high and the highest in the world. 26 kilometers long.the longest river in the world. more than 6600 kilometers long. runs through 9 countries, one of the largest river flowing through the international states in the world and runing into the Mediterranean Sea(地中海) in the end. the biggest lake i

3、n the world. lies in the border between Asia and Europe.the biggest desert in the world. located in the northern Africa, not suitable for biological survival.6higherthe biggestthe deepestthe longestTeacher：Yesterday, we learned some important geographical facts. I hope you all still remember them. I

4、m going to test you now by asking a few questions. First, whats the highest mountain in the world?Boy 2：Qomolangma! Its higher than any other mountain in the world.Teacher：Thats right. And who can tell me what the Sahara is?Girl 1：The Sahara is the biggest desert in the world.Teacher：Very good. And

5、which is the deepest salt lake in the world?Girl 2：The Caspian Sea is the deepest of all the salt lakes.Teacher：Youre all so smart! Now, for the last question, which is the longest river in the world?Boy 1：I know! The Nile is the longest river in the world.Boy 2：And the Amazon is the second longest

6、river in the world.Teacher：It seems that you know the answers to all my questions. Good job!1bc“比较级+ than any other +名词+其他”42136,3005,4645,000300Mike：Hi, Im Mike. Im from the United States.Boy：Welcome to our class, Mike. Were happy to meet you.Mike：Can you tell me a bit more about China?Girl：Sure! D

7、id you know that China is one of the oldest countries in the world? Its over 5,000 years old.Mike：Yes, I did. Its much older than my countryin fact, the United States is one of the youngest countries in the world. Its not even 300 years old.Boy：And China has the biggest population, too. Its a lot bi

8、gger than the population of the United States.Mike：But China is about the same size as the US, right?Girl：Yes, and its the biggest country in Asia. We also have some famous rivers. The Yangtze River is the longest river in Asia. Its about 6,300 kilometers long.Mike：Wow! I didnt know that. I thought

9、the Yellow River was longer.Boy：No, the Yellow River is 5,464 kilometers long. But both rivers are very important to China.2abListen and answer the questions.1.What is the biggest man-made objects in the world？2. Why did the ancient emperors build the wall?3.Which is the most famous part of the Ming

10、 Great Wall?The amazing wallThe only obeject on the earth that can be seen on the moon.随意= so far as I know 据我所知The Great Wall is about 8,850 kilometers long. It is the longest wall in the world. The ancient emperors built the wall to protect their the country. Its quite tall and wide. There are no other man-made objects as big as it. Badaling is the most famous p