1、Unit 7,Section A Period 1 (1a-2a,Grammar Focus),Read the words loudly.,Qomolangma /tumu,l:m/ the Nile /nail / the Caspian Sea /kspin / the Sahara/sh:r/ the Yangtze River / jts / the Yellow River,珠穆朗瑪峰 尼羅河 里海（世界最大的咸水湖） 撒哈拉沙漠 長江 黃河,square meter deep desert Population /ppjulen/ Asia/e /,n. 平方；正方形 n. 米；

2、公尺 adj. 深的；縱深的 n. 沙漠 n. 人口；人口數(shù)量 n. 亞洲,What is the highest mountain in the world? Which is the longest river in the world? Which is the deepest salt lake in the world? ,Do you know?,世界之最,Qomolangma,8844.43 m,the highest mountain,the Nile,the longest river 6671 km,the Caspian Sea,the deepest salt lake

3、 1025 m,the Sahara,the biggest desert 9,600,000 square km in size,1a,The facts:,What is the longest river in China? Which is the second longest river in China? ,Do you know?,中國之最,the Yangtze River,the longest river in China 6300 km,the Yellow River,the second longest river 5464 km,2a,Listen and numb

4、er 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.,6,300 5,000 5,464 300,4,2,6300,5464,_ China is over _ years old. It

5、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 the biggest country in Asia.,1,3,5000,300,1b,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

6、 Caspian Sea is _ of all the salt lakes. 4. The Nile is _ river in the world.,higher,the biggest,the deepest,the longest,4a,Fill in the blanks with the correct forms of the words in the box.,big much popular long old high,1. The Amazon River is one of the _longest_ rivers in the world. Its a little

7、_longer_ than the Yangtze River. 2. Qomolangma is 8,844.43 meters _high_. Its one of the most _popular_ places for serious mountain climbers.,3. No ocean in the world is as _big_ as the Pacific Ocean. 4. Although Japan is _older_ than Canada, it is _much_ smaller.,big much popular long old high,形容詞和副詞的比較級和最高級 大多數(shù)形容詞有三個級。 1) 原級: 常用結(jié)構(gòu)as . as. 像一樣 Zhang Hong is as tall as Tom. 張紅和湯姆一樣高。 2) 比較級 (用于兩者之間的比較) 常用結(jié)構(gòu)：形容詞比較級than . He is taller than I. 他比我高。,總結(jié),3) 最高級(用于三者或三者以上的比較), 常用結(jié)構(gòu): 1.the + 形容詞的最高級of / in . He is the tallest of the three. 他是這三個人中最高的。,He is the funniest in his class. 他是他們班