1、Unit 7 Whats the highest mountain in the world?,Section A 1a2d,square n. 平方；正方形 meter n. 米；公尺 deep adj. 深的；縱深的 desert n. 沙漠 population n. 人口；人口數(shù)量 Asia n. 亞洲 feel free （可以）隨便（做某事） tour n.& v. 旅行；旅游,tourist n. 旅行者；觀光者 wall n. 墻 amazing adj. 令人大為驚奇的；令人驚喜（或驚嘆）的 ancient adj. 古代的；古老的 protect v. 保護(hù)；防護(hù) wide

2、 adj. 寬的；寬闊的 as far as I know 就我所知,NEXT,square n. 平方；正方形 Can you draw a circle within a square? 你能在正方形里畫一個(gè)圓圈嗎?,BACK,deep adj. 深的；縱深的 The river in our village is deeper than before.我們村子里的小河比以前更深了。 【拓展】long長；wide寬；high/tall高；far遠(yuǎn)的,BACK,tour n.& v. 旅行；旅游 tourist n. 旅行者；觀光者 【辨析】journey，tour，trip和travel

3、journey指（海、陸、空）長途旅行，含有辛苦的意思；,tour指途中作短期逗留的巡回旅行，強(qiáng)調(diào)游覽多處，常指觀光等； trip通常指往返定時(shí)的短途旅行，如出差度假等； travel多指長期或長途的觀光旅行，尤其指到國外。,BACK,1a Match the facts you know.,Warming up,Qomolangma,Qomolangma runs along the border between China and Nepal. It is covered with snow all the year round. Its 8,844.43 high, the highes

4、t in the world. Its 26 kilometers long.,The Nile,The Nile is the longest river in the world. Its 6,671 kilometers long. It runs through nine countries and runs into the Mediterranean Sea(地中海) in the end.,The Caspian Sea,The Caspian Sea is the biggest lake in the world. It lies in the border between

5、Asia and Europe.,The Sahara,The Sahara is the biggest desert in the world. It is located in the northern Africa. The climate conditions are very bad. The Sahara is one of the earths most not suitable for biological survival.,The Yangtze River,The Yangtze River is the third longest river in the world

6、, the first Asian rivers. Its 6211.31 kilometers long. It runs into the East Sea in Shanghai finally.,1b Listen and complete the sentences.,1. Qomolangma is _ than any other mountain in the world. 2. The Sahara is _ desert in the world.,higher,the biggest,3. The Caspian Sea is _ of all the salt lake

7、s. 4. The Nile is _ river in the world.,the deepest,the longest,Pairwork,1c Use the information in 1b to make conversations.,A: What is the highest mountain in the world?,B: Qomolangma.,A: What is the longest river in the world?,B: The Nile.,A: What is the largest lake in the world?,B: The Caspian S

8、ea.,A: What is the largest desert in the world?,B: The Sahara.,Listening,2a 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

9、 population of the US. _ 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 the biggest country in Asia.,1,2,3,4,2b Listen again and fill in the blanks in 2a with the numbers in the box.,6,300 5,000 5,464

10、 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.,6,300,5,464,_ China is over _ years old. It has a much longer history than the US. The US is not even _ year

11、s old. _ China is almost as big as the US, but it is the biggest country in Asia.,6,300 5,000 5,464 300,5,000,300,2c Make conversations using the information in 2a.,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.,A: Did you know

12、that Yangtze River is the longest river in China? B: Yes, I did. Its 6,300 meters long. C: Wow! Thats long!,2d Role-play the conversation.,Guide: Feel free to ask me anything on todays Great Wall tour. Tourist 1: How long is the wall.,Guide: Ah, the most popular question! If were only talking about

13、the parts from the Ming Dynasty, its about 8,850 kilometers long. This makes it the longest wall in the world.,Tourist 2: Wow, thats amazing! Why did the ancient emperors build the wall?,Guide: The main reason was to protect their parts of the country. As you can see, its quite tall and wide. As far

14、 as I know, there are no man-made object as big as this.,Tourist 3: Is Badaling part of the Ming great wall? Guide: Yes, its the most famous part.,China has the biggest population in the world. 中國是世界上人口 最多的國家。,(1) 當(dāng)population表示整體人口，即單獨(dú)作主語時(shí)，謂語動(dòng)詞多用單數(shù)；表示部分人口，即有分?jǐn)?shù)或百分?jǐn)?shù)修飾時(shí)，謂語動(dòng)詞多用復(fù)數(shù)。 Thirty percent of the

15、population live in the cities. 30的人口住在城市。,(2) 指人口“多”或“少”時(shí)，一般 用big, large或small來修飾。 The population in this village is much larger than before. 這個(gè)村 子的人口比以前多了很多。,(3) 表示某國、某城市有多少人口時(shí)，要與of連用。句式有兩種：The population of+某國(某城市)+is=某國(某城市)+has a population of。有時(shí)，表達(dá)“有多少人口的城市”時(shí)，可用a city with a population of.。 China has a population of 1.3 billion.中國有大約13億人口。,(4) 提問“有多少人口”時(shí)用what或how large。 Whats (=How large is） the population of China? 中國的人口是多少？,BACK,., its about 8