英语人教版八年级下册第七单元sectionA.ppt

1、砀山第二初级中学：赵长征,Unit 7 Section A(1a-2d),Presentation,square skwe(r) n. 平方,meter mi:t(r) n. 米,deep adj. 深的,desert n. 沙漠,population n. 人口,Asia n. 亚洲,dezt,Qomolangma,Its meters high. It is the highest mountain in the world.,8,844.43,mountain,It is the biggest desert in the world. It is about 9,600,000 squ

2、are kilometers in size.,The Sahara,desert,The Caspian Sea,The Caspian Sea is 1,025 meters deep(深的,adj). It is the deepest salt lake in the world.,Salt lake,The Nile is 6671 kilometers long. It is the longest river in the world.,The Nile,river,New words,square skwe n. 平方；正方形；广场,meter mi:t(r) (=metre)

3、 n. 米；公尺,deep di:p adj.深的；纵深的,Qomolangma tm,la: m 珠穆朗玛峰,the Nile nal 尼罗河,the Sahara sha:r 撒哈拉沙漠,the Caspian kspn sea 里海（世界最大的咸水湖）,desert dezt n. 沙漠,Do you know how to read these numbers?,8844.43 meters,1,025 meters deep,6,600 kilometers long,6,211.31 kilometers long,3,219 kilometers wide,英文表达数字时可以从右

4、往左，三位一逗号，逗号从右往左分别对应的是：hundred ,thousand, million. 数字中的小数点读作point, 读 point,56 100 102 105.3 464 1,000,000 9,600,000 8,844.43,one million,one hundred,one hundred and two,fifty-six,one hundred and five point three,nine million six hundred thousand,eight thousand eight hundred and forty-four point four

5、three,four hundred and sixty-four,1a,Match the facts you know.,1b,Listen and complete the sentences.,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

6、,the deepest,the longest,Use the information in 1b to make conversations.,1c,A: What is the highest mountain in the world? B: Qomolangma.,Practice in pairs like this: A: What is the in the ? B: ,6,300 5,000 5,464 300,Practice reading the following four numbers.,Which is the biggest number? Which is

7、the smallest number?,2a Listen and number the facts(1- 4) in the order you hear them.,6,300 5,000 5,464 300,_ 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. _ Chi

8、na 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.,4,2,1,3,2b 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

9、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.,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

10、big as the US, and it is the biggest country in Asia.,5,000,300,Make conversations using the information in 2a.,2c,A: Did you know that China is one of the oldest countries in the world?,B: Yes, I did. Its much older than my country.,修饰比较级还有 哪些词呢？,much, even,far a lot, a bit, a little.,A: Did you kn

11、ow that N0.2 Middle School is the best school in Danshan? B: Yes, I did. Its much better than any other school in Dangshan. A: Wow! Thats exciting!,Practice,2C 关于中国,A: Did you know that ? B: Yes, I did. Its.?,1, （1）怎样用英语表达较大的数 10, 000 1,000,000 107,865.53 42,788,072 （2）形容词的比较级和最高级 Qomolangma is higher than any other mountain in the wor