资源简介

(共13张PPT)
A Journey of Discovery
导入
Look at the following words and phrases, watch a video and find out their meanings.
① evolution by natural selection
② kinship
③ common ancestor
④ identical twins
⑤ living species
⑥ terrestrial life
导
evolution by natural selection
kinship
common ancestor
identical twins
living species
terrestrial life
物竞天择
亲属关系
共同的祖先
同卵双胞胎
物种
路栖生物
导
Q1: Can you summarize the key word from the above video and phrases
Evolution
Charles Darwin
Q2: Who can you think of
Q3: What do you know about the person
《物种起源》 On the Origin of Species
学习目标
Get the general meaning through skimming.
Figure out the order of the events through careful reading.
Figure out the passage structure.
运城市安康双语中学
高二英语教研组
思
运城市安康双语中学
高二英语教研组
Match each paragraph with its main idea.
Para.1
para.2
para.3
para.4
para.5
Para.6
Para.7
A. Darwin's suspect on the evolution.
B. Darwin proposed a theory of evolution.
C. Darwin started his journey and asked a question.
D. Darwin answered the call of the captain.
E. Darwin had a different idea about how species appeared.
F. The greatness of his book.
G. Darwin found more evidence.
D
C
E
G
A
B
F
思
运城市安康双语中学
高二英语教研组
1.Why didn't the captain of the Beagle think Darwin was the best choice
A.Because Darwin wasn't admitted to a university.
B.Because Darwin was dismissed from school.
C.Because Darwin left medical school without completing his degree.
D.Because Darwin had not enough interest in visiting distant countries.
2. What did people think about the species at that time
A. All species evolved from the same species.
B. All species came into being at the same time.
C. Some species appeared earlier than the others.
D. Some species improved a lot.
C
B
思
运城市安康双语中学
高二英语教研组
3.What was Darwin's new theory then
A. The environment played an important role.
B. Species evolved with the changing environment.
C. Different species lived in different environments.
D. The more complicated the species was,the more time it took to evolve.
4. How did people react to Darwin's theory at first
A. Astonished .
B. Convinced.
C. Satisfied.
D. Interested.
B
A
思
高二英语教研组
5. Choose the main idea of the passage and give your reason.
A. Darwin’s interest in various living things made him a great naturalist.
B. Darwin’s journey on the Beagle inspired his Theory of Evolution.
C. Darwin went on a journey to confirm his theory that humans had evolved over time.
合作探究
1
2
3
4
5
various living things in their natural environments and samples of the plants and animals he had collected.
very similar to each other.
had evolved from a common ancestor, which had arrived on the islands a long time before.
slowly evolved into many new species.
come to exist.
Maybe animals evolved as they adapted to their changing environments
there was a difference between the finches on each of the islands.
had evolved from lower forms of life.
评
Task: pay attention to ‘journey’ and ‘discovery’ in the title, find out relevant information about the two words from the passage.
a captain wanted someone
on the ship, the Beagle
to distant and little known countries
Charles Darwin
constant exploration
a new theory of evolution
Living things had evolved from lower
forms of life.
总结
The structure of the passage
(Para1)
(Para2-5)
(Para6)
(Para7)
检测落实
The captain of the ship named the Beagle wanted someone who would profit by 1.___________(visit) distant countries. Luckily, Darwin got the opportunity, 2______________he was not the captain's first choice. Darwin was a geologist and naturalist, 3.___________(fascinate) by rocks,plants and animals. The journey gave him the chance 4.___________(study) various living things in their natural environments. After Darwin 5.____________(spend) some time in South America, his room was crowded with samples of the plants and animals he had collected. He began to consider the question: 6._________different species came to exist. He noticed that some species of animals were very similar 7.__________each other. Maybe animals evolved as they adapted to their 8.__________ (change) environments In 1835, Darwin saw a variety of new species, but it was the birds that interested him the most.After much research,he came to the 9.___________(conclude) that new species evolved from earlier ancestors. Darwin explained this theory in his book,On the Origin of species, which 10._______________(regard) as one of the most important works ever written. It has changed ideas about life on Earth forever, and it all began with the journey on the Beagle.
visiting
though
fascinated
to study
had spent
how
to
changing
conclusion
is regarded

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