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高中英语 Exploring plants-Reading task课件 新人教

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高中英语 Unit 4 Exploring plants Reading课件 新人教版选修9

高中英语 Unit 4 Exploring plants Reading课件 新人教版选修9

Skimming Reading Comprehension I Read the passage quickly and choose the best answer. Which is fit to describe this passage? It is a ______. A. narration (记叙文) B. exposition (说明文) C. prose (散文) D. poem
5. appeal vt. (对某人) 有吸引力, 迎合爱好 How did the course appeal to you? These pictures don’t appeal to the children.
The idea appealed to Mary. 这主意正合玛丽的心意。
呼吁, 请求 appeal to sb. for sth.
tight adj. 紧的; 紧密的
The coat looks tight.
We hope to finish the task next week,
but the schedule is a bit tight. tight adv. 紧紧地, 牢固地
Hold tight to the railing or you may
cn. 限制性规定 The restrictions on the use of the play-
ground: No fighting. No damaging
property.
The government placed restrictions on
the numbers of foreign cars that could
Before the class I want you to be engaged in the material. I Not you necessarily thinking about want to be engaged in whatever it is I want you to be engaged in the that we are discussing in class. getting down every word that I say. Better attention, better Not necessarily thinking about getting material. I want you to be engaged I’d like you to take active notes understanding of the material down every word that I say. I’d like you to in whatever it is that we are rather than passive notes. Write take active notes rather than passive if you are actively engaged. notes. discussing in class. Write down what can make you feel feel or down what can make you or learn something. learn something. Better attention, better understanding of the material if you are actively engaged.

unit4exploringplants课件1

unit4exploringplants课件1

the males to them.
Discussion
Discuss what you think would happen to the animal pollinators of each of the plants described if these plants died out.
Suggested answers:
Second reading
The yucca is
certain to be pollinated.
They are totally dependent on
each other for
The moth’s
survival.
caterpillars have
a certain supply
of food
The yucca and the yucca moth: If yucca plants died out, the Yucca moth would also die out as the caterpillars need the yucca seeds for food.
The female wasps visit the orchid flowers to collect the chemical that the male wasps were attracted to earlier. The female wasps do not have a role in pollination since the flowers are dying when they visit them.
The orchid is
certain to beThey repollinated.

高中英语 Unit4Exploring plants-Reading课件 新人教选修9 公开课精品课件 公开课精品课件

高中英语 Unit4Exploring plants-Reading课件 新人教选修9 公开课精品课件 公开课精品课件

Result: Seeds of the tree of Heaven were sent to ______, and were England grown Throughout _________ ____ . Europe In 1784, It was______ introduced in ______ _______ North America
When: The second half of nineteenth century Who: Father Farges What: He collected the seeds of ____ Dove ____ Tree and brought them to ______. France
At last When: 1899 Who: E H Wilson
What: He introduced many new plants to______________ Western garden
Reading
Skimming Read the passage quickly and try to get the main idea of this passage?
Read the text carefully and match each person to the thing he did. b 1. Father d’Incarville f 2. Sir Joseph Banks d 3. Dr Nathaniel Ward 4. Father Farges 5. Robert Fortune 6. E H Wilson
Then
When: between 1843 and 1859 Who: Robert Fortune What: He not only introduce ____ 120 species of plants to ______ ______________ western garden but he also shipped _______ _____ ____ from __________ Shanghai tea plants to_______ India

Unit 4 Exploring plants-Reading task 课件-人教选修9精品

Unit 4 Exploring plants-Reading task 课件-人教选修9精品

3. What do you think “sweet tooth” means?
If a person or an animal has a “sweet tooth”, they like sweet food very much.
4. Why do the male wasps try to mate with the orchid flowers?
2. What three plants are featured? The yucca, the Traveller’s Palm, and
the Ophrys orchid.
3. What do the photos show you? Yucca flowers, a Traveller’s Palm, and an Ophrys orchid.
4. What three animal pollinators are featured? The yucca moth, the Madagascar black lemur, a certain kind of wasp (the male, not the female wasp).
First reading
s
flower can be disadvantage for
palm
opened by the the palm only if
lemur.
there are no
lemurs or other
Lemur
The lemur animals present
has a source strong enough to
of food.
open the flowers.
Plant/

高中英语 Unit4《Exploring plants》Reading课件(1) 新人教版选修9

高中英语 Unit4《Exploring plants》Reading课件(1) 新人教版选修9
Reading
Warming up How much do you know about plants?
DISCUSSION:
Did you know that:
1. some plants do not have flowers? 2. some plants have roots that live in the air? 3. some plants eat meat? 4. some plants need animals to pollinate them?
When: By the middle of the 18th century Who: French Catholic missionaries What:
Father d’Incarville was sent to _______ _____ _______ Beijing to collected seeds of trees and bushes including those of the ____ ____ _____ Tree of Heaven
Special plants
Pre-reading
Do you have a courtyard or some pot plants on your balcony? Do you know where these plants come from? Are they Chinese plants or do they come from another country?
5. some plants grow on other plants? 6. plants are adapted to live in specific environments? 7. people buy plants that come from other countries for their gardens? 8. a new plant does not always grow from a seed?

高中英语 Unit4Exploring plants-Reading task课件 新人教选修9

高中英语 Unit4Exploring plants-Reading task课件 新人教选修9
Now read the text more carefully and answer these questions. 1. Why can no other animals but the yucca moth pollinate the yucca?
It’s only the yucca moth which is the right size and shape to pollinate the yucca.
They are totally dependent on each other for survival.
the males to them.
Discussion
Discuss what you think would happen to the animal pollinators of each of the plants described if these plants died out.
2.Can you guess why the Traveller’s Palm has that name?
The Traveller’s Palm has this name because travellers used to drink its nectar when they were thirsty.
Reading on P78
Co–Evolution
yucca 丝兰
yucca moth
The Traveller’s Palm 棕榈树
The Madagascar black lemur
The Ophrys Orchid 兰花
wasp
Warming up
Discuss the question: What’s the relationship between plants and animals?

高中英语 Exploring plantsReading课件 新人教版选修9

Reading
Warming up
How much do you know about plants?
DISCUSSION:
Did you know that:
1. some plants do not have flowers? 2. some plants have roots that live in
e
6. E H Wilson
a
a. collected lots of seeds of the Dove Tree
b. sent Tree of Heaven seeds to England
c. sent the seeds of the Dove Tree back to France d. shipped two cases of British plants to Sydney e. shipped 20,000 tea plants to India
French missionary and naturalist. Born at Monclar-de-Quercy, Tarn-et-Garonne. He was sent to China in 1867 and remained stationed in north-east Sichuan until 1903. Although he had always nurtured an interest in the local flora and fauna, it was not until 1892 that he started to collect herbarium specimens in earnest. During the eleven years before he moved south to Chongqing, he collected and preserved over

高中英语 Exploring plants-Reading课件 新人教版选修9


Result: Seeds of the tree of Heaven were sent to ______, and were England grown Throughout _________ ____ . Europe In 1784, It was______ introduced in ______ _______ North America
the beginning
when: Not until the eighteenth and nineteenth centuries Who: European middle classes
European nations What: Taking great interest in collecting plants
5. some plants grow on other plants? 6. plants are adapted to live in specific environments? 7. people buy plants that come from other countries for their gardens? 8. a new plant does not always grow from a seed?
When: By the middle of the 18th century Who: French Catholic missionaries What:
Father d’Incarville was sent to _______ _____ _______ Beijing to collected seeds of trees and bushes including those of the ____ ____ _____ Tree of Heaven

高中英语 Unit4Exploring plants-Using language课件 新人教选修9


• attach importance / value / weight, etc. to sth. 表示“认为……有重要性/价值/ 分量等”。如： We should attach primary importance to the development of economy. 我们应把经济发展放在首要位置。
Reading and discussion on P37
Bee
Humming-birds
Butterflies
moth
Difficult words and expressions
evolve evolution attach to 发展；进展；进化 演变；进化 附上；贴上 蝙蝠 管子
bat
tube
odourБайду номын сангаас
give out
气味
发出；分发
1 What is the text about? What do pictures show you? What is the chart about? The text is about flowers and their animal pollinators. The pictures show different kinds of animal pollinators and their flowers. The chart lists animal pollinators and the characteristics of the flowers they pollinate.
• attach oneself to sb. / sth. 表示“依 附某人，参加某事”。如： He attached himself to the group of mountain climbers. 他参加了那个登山队。

高中英语 Unit 4 Exploring plants课件 新人教选修9

respiration is reduced and the cut flower will age more slowly.
• Another vital factor in keeping cut flowers is the quality of the water in which they are placed.Flowers find it difficult to “drink”
generates the energy the flower needs to give the flower its shape
and color.The making of seeds also depends on this energy.While all living things respire，flowers have a high level of respiration.A result of all this respiration is heat，and for flowers
water that is dirty or other wise polluted.Even when water looks and smells clean，it almost certainly contains harmful substances that can endanger the flowers.To rid the water of these unwanted substances，household chlorine bleach (含氯漂 白剂) can be used in small quantities.It is recommended that 15 drops of chlorine bleach (at 4% solution) be added to each litre
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s
flower can be disadvantage for
palm
opened by the the palm only if
lemur.
there are no
lemurs or other
Lemur
The lemur animals present
has a source strong enough to
The male wasps try to mate with the orchid flowers because they look like and smell like female wasps.
5. Why do the female wasps visit the orchid flowers? Do they have a role in pollination?
4. What three animal pollinators are featured? The yucca moth, the Madagascar black lemur, a certain kind of wasp (the male, not the female wasp).
First reading
of food.
open the flowers.
Plant/
Advantages Disadvantages
pollinato
r Orchid
Wasp
The orchid is certain to be pollinated.
Reading on P78
Co–Evolution
yucca 丝兰
yucca moth
The Traveller’s Palm 棕榈树
The Madagascar blad 兰花
wasp
Warming up
Discuss the question: What’s the relationship between plants and animals?
3. What do you think “sweet tooth” means?
If a person or an animal has a “sweet tooth”, they like sweet food very much.
4. Why do the male wasps try to mate with the orchid flowers?
Check your understanding and complete the table.
Plant/
Advantages Disadvantages
pollinato
r Yucca
The yucca is certain to be
pollinated.
They are totally dependent on
featured?
1. What’s the topic of the text? Co-evolution.
2. What three plants are featured? The yucca, the Traveller’s Palm, and
the Ophrys orchid.
3. What do the photos show you? Yucca flowers, a Traveller’s Palm, and an Ophrys orchid.
Second reading
Now read and think about the advantages and disadvantages of the relationships between the plants and pollinations described in the text.
Moth
each other for
The moth’s
survival.
caterpillars have
a certain supply
of food
Plant/
Advantages Disadvantages
pollinator
Traveller’ The palm’s There is a
The female wasps visit the orchid flowers to collect the chemical that the male wasps were attracted to earlier. The female wasps do not have a role in pollination since the flowers are dying when they visit them.
Now read the text more carefully and answer these questions. 1. Why can no other animals but the yucca moth pollinate the yucca?
It’s only the yucca moth which is the right size and shape to pollinate the yucca.
2.Can you guess why the Traveller’s Palm has that name?
The Traveller’s Palm has this name because travellers used to drink its nectar when they were thirsty.
Pre-reading
Before you read the text, glance quickly through it and answer these questions.
1. What’s the topic of the text? 2. What three plants are featured? 3. What do the photos show you? 4. What three animal pollinators are