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Unit4 Green world
扬中市第二高级中学
苏宜昭
Tulip
Sunflower
Peony
the Chinese national flower
Discussion:
1.What are these?
2.What are they used for?
3.What do they come from?
Coffee beans are used to make coffee. It originally came from Africa, although
coffee-drinking started in Arab countries.
Tea leaves are used to make tea. It originally came from China.
Chili peppers are used as a spice to make food more tasty. In fact ,many
Chinese may believe it came from China. However ,it came from Latin
America.
Hemp is used to make rope or carpets. And it came from the Central
Asia.
Question:
What do we call the person doing the research on the plants?
Do you know any botanists?
How do scientists classify them now? How did they classify them
in the past?
THE BIRTH OF A SCIENCE
botany
Listening
How many people are mentioned in the
passage?
Carl Linnaeus
Daniel Solander
Joseph Banks
Captain Cook
Fast reading
What are the relationships between them?
Solander was Linnaeus’ student.
Solander developed a lifelong friendship with Joseph Banks.
James Cook was the captain of the Endeavour .Banks was a
member of the Endeavour.
Careful reading
Read the text and choose the best answer,
including the exercises on page 31.
1. Before Linnaeus botany was ________．
A．studied by doctors B．unknown to anyone
C．fully developed D．a branch of medicine
2. Some economic species plants such as____could help to
develop local economies．
A．rose and peony B．tea and apple
C．cocoa and hemp D．Cocoa and lemon
3. It was ____ who made Kew a centre of scientific and
economic research．
A．Joseph Banks B．Captain Cook
C．Linnaeus D． Daniel Solander
4.Paragraph one of the text mainly tells us ___ ．
A．the importance of botany
B．how to classify plant species into groups
C．Linnaeus’ contribution to botany
D．Linnaeus’ discoveries about different species
5.Captain Cook made ___voyages altogether around the world.
A．one B．Two C．Three D.four
Read the text again and discuss the
following questions with your partner
1.When did botany become a special science?
2.How was plant species classified before the work of
Carl Linnaeus?
3.What is the difference between Linnaeus’ system and
that of the other scientists?
4. Was Daniel Solander a member of the Royal Society?
5.What did Joseph Banks do on the three-year voyage?
6. What great contributions did Joseph Banks make to the
birth of botany as a science?
Language points
1.
promote
(a) 提升,晋升(常与to连用) Our teacher has been promoted to headmaster.
(b) 积极筹划 Who is promoting this boxing match?
(c) 宣传,推销(商品) Do you have any idea hoe to promote the sales of this product?
(d) 支持,促进,鼓励 Teachers should promote the love of learning of the students.
2.
appoint
(a) 委派 We must appoint a new teacher at once to the mountain school.
(b) 任命 The teacher appointed her as monitor
(c) 约定(常与for连用) The manager appointed a time for meeting.
3.
calculate
(a) 计算 The scientists can calculate accurately when the spaceship will reach the
moon.
(b) 估计,推算 I calculate that she will arrive here at 10 pm.
(c) 计划,打算 This room is not calculated for such use.
4. abandon
(a) 抛弃,舍弃,离弃 He abandoned his wife and went away with all their money.
(b) 放弃,停止做 They abandoned the game because of the rain.
(c) 放纵,放任 He abandoned himself to despair.
5. involve
(a) 牵涉,拖累 Don’t involve other people in your trouble.
(b) 包括,涉及 All the children were involved in the school play.
6. accumulate
(a) 积累 By buying ten books every month , he soon accumulated a good library.
(b) 堆积,积聚 Dust quickly accumulates if we don’t sweep our room.
Homework
• Review the contents we have learnt today.
• Preview the next reading.