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(共22张PPT)
Unit 5
A Journey of Discovery
Lead in
Look at the evolutionary tree and answer:
What is he famous for
Who came up with the idea of evolution
Darwin
Prediction
A Journey of Discovery
Whoes journey
Darwin
What’s the discovery
Guess and choose the main idea.
Darwin’s interest in various living things made him a great naturalist.
Darwin’s journey on the Beagle inspired his Theory of Evolution.
Darwin went on a journey to confirm his theory that humans had evolved over time.
Prediction
How can he discover
A Journey of Discovery
1859
1831
in the order of______
time
1835
today
Fast reading
What's the genre of the passage
A. Exposition
B. Argumentation
C. Narration
What
How
A Journey of Discovery
Darwin
Question: how did different species come to exist
England
By ship — Beagle
（贝格尔号）
→ South America
↓
Galapagos Islands
Where
Why
Who
Skimming
In 1831, ______________________________________
Then he spent some time in______________________
Later in 1835, ______________________________
At last, in 1859________________________________
Today, On the origin of species_______________
__________________________________
Darwin left England on the Beagle.
South America.
his book was published.
he reached the Galapagos island.
is regardced
as one of the most important works ever written.
Skimming
1831
England
the Beagle.
spent some time
1835
1859
today
Careful reading
Read and finish task 4 on page 69.
1
2
3
4
5
Number the puzzle pieces in order.
1831
para 2
Para_____
2-5
Para___
Para _____
Before the journey
During the journey
After the journey
1
6-7
Careful reading
On his journey
Darwin studied _______________ in their natural environments and _______________________________ he had collected.
He noticed that some species of animals _______________________
1
生物
be similar to 与…相似
samples of the plants and animals
were very similar to each other.
various living things
Para 2
What was Charles Darwin interested in (练习册 第二题）
A. Travelling around the world.
B．Communicating with others.
C．Doing research on resources.
D．Researching on living things on Earth.
Careful reading
Careful reading
Generate ideas
Darwin asked the question：
How did different species______________.
Maybe animals _______________________their changing environments
2
adapt to 适应
产生
Para 2-3
come to exist.
evolved as they adapted to
Careful reading
Para 4
look for more evidence
On the Galapagos islands ：
He noticed that _________________ between the finches _________________
It seemed that beaks__________________________________ on that particular island.
3
there was a difference
had evolved according to what food was available
on each of the islands.
c
Careful reading
Para 5
Develop ideas
Darwin suspected that the finches________________________ __________________________a long time before and it had __________________________________
4
suspect sb of doing sth
had evolved from a common ancestor,
slowly evolved into many new species.
which had arrived on the islands
c
Careful reading
Para 6
PROPOSE A THEORY
The Theory of Evolution: living things, including humans, ____________________________________.
5
had evolved from lower forms of life
1831
the Beagle
started his journey in England
spent some time
South America,
generated ideas
1835
developed an idea
in Galapagos Island
1859
published the book
proposed a theory
Darwin spent _____ years on his discovery
But spent _____years publishing his Theory of Evolution in 1859
4
24
A ________ Journey of __________Discovery by Darwin
tough
important
dangerous
revolutionary
Retell
Post reading
1. What kind of person was Darwin
He was not the captain’s _____ ______
first choice
He was a ________ to himself and all his family
He was a young man who had left _____ _______ without
_____ _____ ______.
completing his degree
medical school
disgrace
What do we know about Charles Darwin from the first paragraph
A．His father was disappointed with him.
B．He wasn't interested in his lessons at college.
C．He knew the captain of the Beagle very well.
D．He wanted to travel around the world by ship.
Post reading
Post reading
1. What kind of person was Darwin
A．Humorous and clever.
B．Intelligent and helpful.
C．Ambitious and persistent.
D．Knowledgeable and generous.
Post reading
2. Why were many people shocked by Darwin’s theory
_______ to believe
people were _______
______ to believe
refused
shocked
started
People’s reaction towards the theory(para 6)
3．Why did Darwin's book On the Origin of Species cause a storm (练习册 第三题）
A．Because Darwin's father considered it a failure.
B．Because the book referred to something about humans.
C．Because people used to believe that all species had happened on Earth at the same time.
D．Because Darwin's theory was short of evidence.
Post reading

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