八年级英语下册人教版第七单元unit7 第一课时

Example 1:
A: Did you know that China has the biggest population in the world? B: Yes, I did. It’s a lot bigger than the population of the US.
Make up your own conversations.
1c Pairwork Use the information in 1b to make conversations.
A: What is the highest mountain in the world? B: Qomolangma.
Example 1: A: What is the biggest desert in the world? B: The Sahara. Example 2:
3. Did you know that China is one of the oldest countries in the world? that China is…是know的宾语从句。尽管 主句的动词是过去时态，但由于宾语从句 陈述的是客观事实，所以从句仍用一般现 在时。
4. It’s much older than my country. much higher 意为“高得多”。在形 容比较级前还可以用much, even, a little, still ,a lot, less等修饰词表示程度。
The Nile
1b Listen and complete the sentences.
1. Qomolangma is ______ higher than any other mountain in the world. the biggest desert in the 2. The Sahara is _________ world. the deepest of all 3. The Caspian Sea is _________ the salt lakes. longest river in the 4. The Nile is the _________ world.
as far as I know意为“就我所知”，其他 常用口语表达有as / so far as I can remember / I can tell / I can see等。
Practise
根据我记得的，她过去住在芝加哥。 She lived in Chicago, as far as I can remember.
Practise 这个城市的人口是600万。 The population of this city is six million． 中国的人口比美国的人口多很多。 The population of China is much larger than that of the USA.
2. Qomolangma is 8,844.43 meters high.
1. population population意为“人口数量”，谓语 动词要用单数形式。 询问人口数量时要用“What’s the population of ...?”提问，而不用how many或how much等提问。 表示人口“多”要用large或big；表 示人口“少”要用small。
Βιβλιοθήκη Baiduairwork
Tourist 2: Wow, that’s amazing! Why did the ancient emperors build the wall? Guide: The main reason was to protect their part of the country. As you can see, it’s quite tall and wide. As far as I know, there are no man-made objects as big as this. Tourist 3: Is Badaling part of the Ming Great Wall? Guide: Yes, it’s the most famous part.
Practise 他比我跑得更快。 He runs even faster than I. 日本土地面积只比德国大一点儿。 Japan is a little larger than Germany in area.
5. As far as I know, there are no man-made objects as big as this.
Section A Period One
Do you know?
What’s the highest mountain in the world? How high is it?
Qomolangma is the highest mountain in the world.
It is 8,844.43 meters high.
A: Did you know that Yangze River is much longer than the Yellow River?
B: No, I didn’t. How long is it? A: It’s 6,300 kilometers long.
B: Wow! That’s very long!
Example 2:
A: Did you know that China is the biggest country in Asia? B: Yes, I did. It’s almost as big as the US.
Make up your own conversations.
Example 3:
1a Match the facts you know. Qomolangma The Sahara The Caspian Sea about 9,600,000 square kilometers in size
1,025 meters deep
6,671 kilometers long 8,844.43 meters high
A: What is the longest river in the world? B: The Nile.
Make up your own conversations.
2a Listen and number the facts [1-4]in the order you hear them. __The Yangtze River is about _____ 4 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, and it is the biggest country in Asia.
It is … meters high (long, wide…). 它……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。
Practise 这座山高三千多米。 The maintain is more than three thousand meters high. 它离我们只有三十八万公里。 It is only 380,000 kilometers away. 这座绿色长城长7,000公里。 The Green Great Wall is 7,000 kilometers long.
The Nile
What do you know about the following numbers? 9,600,000 square kilometers in size
The Sahara
To learn to compare facts To learn to express large numbers To learn to talk about geography and nature To learn new words: square, meter, deep, desert, population, Asia, tour, tourist, wall, ancient, protect, wide…
Now let’ enjoy the beautiful scenes of Qomolangma:
What do you know about the following numbers? 1,025 meters deep
The Caspian Sea
What do you know about the following numbers? 6,671 kilometers long
2c Pairwork 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. It’s much older than my country.
2b Listen again and fill in the blanks in 2a with the numbers in the box.
6,300 5,000 5,464 300 6,300 kilometers __The Yangtze River is about _____ 4 long and the Yellow River is _____ 5,464 kilometers long. 2 __ 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 1 longer history than the US. The US is not even ____ 300 years old. __ 3 China is almost as big as the US, and it is the biggest country in Asia.
as far as也可表示“远至” (在否定句 中也可用 so far as)。
Make up your own conversations.
2d Pairwork Role-play the conversation. Guide: Feel free to ask me anything on today’s Great Wall tour. Tourist 1: How long is the wall? Guide: Ah, the most popular question! If we’re only talking about the parts from the Ming Dynasty, it’s about 8,850 kilometers long. This makes it the longest wall in the world.