上外版（2020）选择性必修第三册Unit 3 Exploring the Unknown Reading A Stonehenge课件（22张PPT)

(共22张PPT)
Unit 3
Exploring the Unknown
Reading A
授课教师： 张望晴
学习目标 Learning Objectives：
At the end of the lesson, you will be able to ...
1.understand the logical structure of the passage and the typical features of an expository writing;
2.figure out the functions of the “Questions” in the passage;
3.build a word bank containing the topic-related words, phrases and expressions.
4.use the word bank to express their ideas in a logical way;
Q & A
Do you know some world-famous mysterious phenomenon or places
Expository writing – precise; full of statistics; logically coherent …
Carefully reading Part 1 (Para1-2)
Main Idea Questions Answers
the introduction of Stonehenge 1. Where is Stonehenge On Salisbury Plain in Wiltshire.
2. How much do the largest stones weigh
About 50 tons.
Carefully read Part 2 (Para 3-8)
Task 1
Phase Time What construction work was done during the phase
Phase I Phase II Phase III Circle
Underline
Carefully read Part 2 (Para 3-8)
Task 2
Main Idea
Questions:
Answers:
the construction work done in three different phases
1. What kind of technology is used to confirm when Stonehenge was built
1 . T h e
i n v e n t i o n o f
radiocarbon dating.
2. What might be the function of Stonehenge
/ Why was Stonehenge built
2. Some historians say that it was a kind of cemetery.
3. How far is the mountain of South Wales from Salisbury Plain
3. About 320 km.
4. What are “trilithons”
4. Two tall stones with a third across the top.
5. How is the Stonehenge today
5. About half of the original monument survives while the others have fallen or taken away.
Carefully read Part 3
( Para 9 - 13 )
Main Idea Questions: Answers:
different theories about the Stonehenge 1. Who first suggested that Stonehenge should be an observatory.
1. Norman Lockyer first put forward the theory in 1901.
2. Why did Gerald Hawkins say that the Stonehenge was an observatory and a kind of primitive computer as well
2. Because Gerald Hawkins found that the important stones p o i n t t o d i f f e r e n t positions and can predict eclipses and solstices
3. What are other people’s theories or speculation on Stonehenge
3 . S o m e e v e n believe that it was built by aliens.
Group Discussion
Question Is the answer given Function
Q1 Line 17 Yes. To give information about the age of Stonehenge.
Q2 Line 36 Yes. To explain the function of Stonehenge.
Q3 Line 71-73 No. To lead in a new aspect of Stonehenge in the following part/ To make a transition and discuss the different theories of Stonehenge.
Q4 Line 73-75 No. Same as Q3.
Q5 Line 91-93 No. To raise an unsolved question, leaving readers to have another thinking.
Q6 Line 93-96 No. Same as Q5.
Q7 Line 101-102 No. To conclude the passage with an open question so that the readers can have their own exploration after reading.
Text Review
1. Where is Stonehenge
2. How old is Stonehenge
How many phases are included in the construction work of Stonehenge
What kind of construction work were completed during each phase
What theories about Stonehenge have been put forward by people
1. 3,000 BCE
2. 2,100 BCE
3. 2,000 BCE
1. 1901 Norman Locker;
an observatory / calendar
2. 1963 Gerald Hawkins
an observatory / a primitive computer
Topic-related words and phrases
Jimmy – a new-comer in your class.
origin
the cause; the very beginning
referred
to
construction
The building of sth.
were involved
Topic-related words and phrases
enormous
incredible
devote...to
unbelievable
Jimmy – a new-comer in your class.
devoted
Theories
·Some rocks are found to have been from Wales. It’s pretty
that those primitime people got them all the way to South England,since most stones are and weigh up to 50 tons. It is still unknown why they so much time and energy this huge monument. about why Stonehenge was built range from it being a cemetery to a site of healing, to an observatory to mark the seasons.
primitive
to
Topic-related words and phrases
in the form of
Jimmy – a new-comer in your class.
Stonehenge was found to be built a circle and
some star positions to help ancient people
the movements of the sun and the moon with some long-lost wisdom. All in all,it’s quite impressive.
in line with
calculate
Vocabulary Focus II P 39-40
Culture Link
UNESCO World
Heritage List
( China)
Over 50 sites in China are on the UNESCO World Heritage List. Among them are the Mausoleum of Emperor Qin Shi Huang (inscribed in 1987), Mogao Caves (1987), Peking Man Site at Zhoukoudian (1987), South China Karst (2007), China Danxia (2010) and Hubei Shennongjia (2016).
Group Work
Work in groups of 4.
Pick one China’s World Heritage and give an introduction.
Use the topic-related expressions on Page 39.
Group Work
Conclude some topic-related expressions according to your introduction.
Put them into the topic-related word bank.
Assignment
Review over the important words and phrases in Reading A and get prepared for the dictation.
Make a topic-related word bank on you own.
Write down your introduction to a China’s World Heritage. You are required to use the words, phrases and expressions that you have learnt in this period. You should also pay close attention to the logic and accuracy. No less than 120 words.
Thank you ！