Unit 7
What's the highest mountain in the world?
Section A 1
1a—2d
Presentation
square n. 平方
meter n. 米
deep adj. 深的
desert n. 沙漠
population n. 人口
Asia n. 亚洲
tour v. n. 旅行
tourist n. 旅行者
wall n. 墙
amazing adj. 令人大为惊奇的
ancient adj. 古代的
wide adj. 宽的；宽阔和
Do you know these interest places?
Qomolangma runs along the border between China and Nepal. It is covered with snow all the year round. It’s 8844.43 high, the highest in the world. It’s 26 kilometers long. zxxk
The Nile is the longest river in the world. It’s more than 6600 kilometers long. It runs through 9 countries, it’s one of the largest river flows through the international states in the world and runs into the Mediterranean Sea(地中海) in the end.
The Caspian Sea is the biggest lake in the world. It lies in the border between Asia and Europe.
The Sahara is the biggest desert in the world. It is located in the northern Africa, climate conditions are very bad, is one of the earth's most not suitable for biological survival.
The Yangtze River is the third longest river in the world, the first Asian rivers. It’s 6211.31 kilometers long. The Yangtze River Basin, east-west width of 3219 kilometers, about 966 kilometers wide north-south, passing through 11 provinces. It runs into the East Sea in Shanghai finally.
Which is the highest mountain in the world?
Which is the longest river in Asia?... …
Talk about these pictures in pairs.
1a Match the facts you know.
Practice in pairs like this:
A: Which is the … in the …?
B: … z。xxk
Practice
…8,844 meters high. …8,844米高
… meters high (long, wide…)
……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。
e.g. The wall is 1.7 metres wide.
Explaination
A: How high is Qomolangma?
B: It’s 8,844 meters high.
Practice
The biggest desert in the world
is about 8,000,000 square kilometers in size.
How big is the Sahara?
It’s about 8,000,000 square kilometers in size.
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
the deepest
the longest
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. It’s a lot bigger than the 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.

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 about _______ kilometers long and the Yellow River is ______ kilometers long.
___ China has the biggest population in the world. It’s 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 big as the US, but it is the biggest country in Asia.
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. it’s much older than my country.
Practice
A: Did you know that Yangtze River is the longest river in China?
B: Yes, I did. It’s 6,300 meters long.
B: Wow! That’s long!
中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，北京境内的长城有600余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。
The Great Wall
2d Read the conversation and
answer the questions:
1. Which is the biggest man-made objects in the world？

2. Which is the most famous part of the Ming Great Wall?
The Great Wall.
Badaling part of the wall.
1. Fell free to ask me anything on today’s Great Wall tour.
在今天的长城游中，大家尽管问我任何问题，不要拘束。
fell free是英语口语中一个常用表达。若有人让你feel free to do something，就是让你无需拘束，只管按照自己的意愿去做某事。
Language points
e.g.
A: Can I use your bathroom?
我可以用一下你的卫生间吗？
B: Yes, feel free.
可以，请随意。
as far as I know是一个固定的表达方式，还可以说so far as I know，意思是“据我所知”。
2. As far as I know, there are no man-made objects as big as this.
据我所知，再没有像它这样大的人造物体了。
e.g. As far as I know, Jack’s got twin sisters.
就我所知，杰克有一对孪生姐妹。
They’re not coming today, so far as I know.
他们今天不来了– 就我所知是这样的。
feel free
the most popular question
talk about
the Ming Dynasty
the ancient emperors
the main reason
as far as I know
the Ming Great Wall
Important phrases and sentences.
How long is the wall?
It’s about 8,850 kilometers long.
This makes it the longest wall in the world.
It’s the most famous part.
Homework
A: To memorize the important phrases
and sentences.
B: To make some dialogues about asking
the size of objects.