选修八unit2reading
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高中英语人教版选修8Unit2 Reading
Growing new plants
Twins
They are born naturally and identical in sex and appearance.
Monkey King
In 1996, a sheep called Dolly was born. It is the first mammal to be cloned. It is considered to be the greatest success in the development of cloning.
2. The __u_s_es__ and _p_r_o_ce_d_u_r_e_s of cloning. 3.The __p_r_o_b_le_m__s_ of Dolly (the ___b_ir_t_h___ and __d_e_a_t_h__ of Dolly). 4. The _i_m_p_a_c_t______ of Dolly. 5. People’s _r_ea_c_t_io_n_/_a_tt_it_u_d_e_s to cloning.
plants.
commercial
F 3 Cloning animals is as complicated as cloning plants. 4 Dolly the sheep was themfoirrset(s…utchcaens…s)ful clone of a
T mammal. 5 Natural clone happen in animbarlesaaktshwroeulgl has in plants.
Two kinds of clones:
Warming up
Natural clone is one that occurs in a natural form of cloning without human’s help.
选修八Unit2 Reading
3、What are the major ueses of cloning?
*Gardeners use it to produce commercial quantities of plants. ___________________________________. *It is valuable research on new plant species for________________________________
It is a way of making an exact copy of another animal or plant. 1、What is cloning?
2、How many the types of cloning? (3 It happens both in plants when 、 What are the major uses of gardeners cloning? take cutting to make new plants and in animals when twins are 4、What were the problems of Dolly? produced from the same original egg. )
Y/N (1-5分） Y/N (1-5分） Y/N (1-5分） Y/N (1-5分） Y/N (1-5分）
Y/N (1-5分）
D
9 the lamb(Dolly) 1 an egg cell
A
2 the nucleus is removed 2
D
1
B
4 a somatic cell
3 the egg cell without nucleaus
人教版高中英语选修8 Unit2_Reading_优质教案
Unit2 Reading 优质教案1. Teaching aimsKnowledge aims:To know what is cloning, its benefits, problems, possible dangers as well as arguments and attitudes aroused by cloningAbility aims:1. To develop Ss’ different reading skills especially scanning for key words2. To develop Ss micro reading skill—word guessing3. Build up Ss’ confidence in speaking in EnglishEmotion aims:To be aware that the significance of cloning is to break medical limitation so as to benefit human beings2. Teaching key point and difficult pointTeaching key points:1. The definition of cloning and its benefits and drawbacks2. Developing students’ different reading skills especially scanning for key wordsTeaching difficult points:1. Method of word guessing2. To analyze the structure of an exposition3. Teaching and learning approach1. Task-based teaching approach2. Student-centered teaching approach3. Communicating and cooperating learning approaches4. Teaching aidsa projector and some slides.5. Teaching proceduresStep I Lead-inLead in the topic by watching a video and ask students what is the video about. Step II Pre-reading1). Predict what the passage is about according to the title2). Students check their guesses and skim for the main idea of the passageMain idea: animal cloning raised arguments and scientists are not sure about its future Step III While-reading1). Match the main idea with each paragraphPara. 1 Introduction/DefinitionPara. 2 Uses and procedurePara. 3 Problems of DollyPara. 4 Impact of DollyPara. 5 Different attitudes to human cloningThen Raise a question: What type of article is it? Exposition(说明文)Then introduce the features of an exposition:◆written in the third person◆in factual and formal language◆gives different points of view and does not try to persuade the reader tomake up his mind2). Detailed readingPara1：What is cloning? What does “it”refer to? When will “it” happen? Para2：What are the two major uses of cloning?Word guessing: “straightforward”Pick out the key verbs in the procedure and retell the procedure accordingto the key verbsPara3:It can be inferred from this paragraph that a cloned animal ___C___.A. can develop normally and live as long as the original oneB. lives longer than the original oneC. may fall ill younger and die earlier than the original oneD. will have no healthy problems as Dolly the sheepFrom which sentences did you get the answer?Altogether Dolly lived six and a half years, half the length of the life of the original sheep.How many years did the original sheep live?。
选修八unit2reading
Why is it easier to make commercial plant clones than animal clones?
Cloning plants is straightforward w hile cloni ng ani mals is ver y complicated
Reading
www,
evil leaders hoping to clone themselves
religious leaders raised moral
Disadvantages
questions animllness
of older animals animal clones may die younger than donor animals
natural cloning examples
cactus
pendulum orchid (吊兰)
natural cloning examples
strawberry
twins
man-made cloning examples
the first cloned cat
Dolly the sheep
www,
using cloning to cure serious illnesses help save endangered animals
Advantages
produce plants of similar quality for sale
cloning plants can be useful for research on new plant species
cloning is used in an evil way it can cause much trouble. Therefore, we should use cloning in a correct way.
新课标人教版选修八Book8 Unit2 Reading
• Preview: • ⅠFind the words or expressions for each of the following meanings from the text. • A._object_ refuse, be against • B._complicated_ made up of many parts • C._breakthrough__ development or discovery • D._procedure__ order of doing something • E._commercial_ buying or selling of goods • F._exact__ the same, precise • H._obtain_ gain, get • I. _merely_ only; simply • J._forbid________ use force against • K._bother_ trouble, disturb •
• ⅡRead the passage and answer the following questions. 1 What are the two major uses of cloning? The first use is to produce commercial quantities of plants. The second is to research on new plants species and do medical research on animals. 2 Why is it easier to make commercial plant clones than animal clones? Cloning plants is straightforward, but the cloning of animals is very complicated.
人教版高中英语选修8 Unit2 Reading task 精品课件
The arguments for medical cloning were very strongly put by the team supporting the motion. They argued that serious illnesses and people who were losing their ability to move or think could be helped by medical cloning.
Sample speech
Dear chairperson, ladies and gentlemen, It is my pleasure to present the
arguments for those that want cloning research to continue. As you are already aware, cloning research is very important for curing serious illnesses.
B
efficiency of
the system
Various answers and reasons are possible.
Speaking Task (P60)
Rules to remember for preparing a speech: • prepare what you are going to say before the speech. • write down the main ideas on a piece of paper so that you don’t forget anything. • always look at the audience when they are speaking.
高中英语人教版选修8Unit2 Reading.ppt
4. May bring extinct animals back to life
…
5. It can weaken the species.
…
5 minutes
Homework 1.Write a short passage according to the following topic.
D. it is a female sheep
Judgment
3. The sheep that donated the somatic cell most probably
lived ____ years.
A. 3 B. 6 C. 9 D. 13
Guessing 4. In the second paragraph, the word
卵细胞 细胞核
体细胞 胚胎
Fast reading
Read the text quickly. (3 min) Underline or circle something you think is important.
Main idea
The main idea of the text is____ A. animal cloning is very valuable and can benefit the world. B. animal cloning could be misused by bad people so it must be forbidden C. animal cloning is well developed because Dolly the sheep was born. D. animal cloning raised arguments and scientists are not sure about its future.
人教课标版高中英语选修8Unit2Reading(共22张PPT)
_C_o_n_c_l_u_si_o_n_
The chance of dinosaurs returning to the earth is _m_e_r_e_l_y_a__d_r_ea_m__.
1. 分娩 give birth to… 2. 偶尔 from time to time 3. 白费力气 in vain 4. 意味着mean doing sth
苏醒；复活
1. Others will survive and pass on the ability to resist that disease to the next generation.
2. He found it hard to resist playing computer games.
1. Do you know anything about dinosaurs? 2. Have you ever seen the film Jurassic Park? 3. Do you think it possible to clone dinosaurs?
Enjoy some pictures about dinosaurs.
4. be in good/poor condition 他因吸烟而身体状况欠佳。 His health is in poor condition owing to smoking.
Important words fierce; extinct; wild; diversity; generation; species; habitat; chance possible- possibly- possibility-impossible suit- suitable- unsuitable fair- unfair fortune- fortunately- unfortunately
人教课标版 选修8 Unit 2 Reading(共28张PPT)
opinion about cloning D . The writer is in agreement about cloning
Step6.How to clone a sheep
Look at these pictures, and discuss this question with your partner.
5). In the second paragraph, the
word “straightforward”
means ____.
A. uncomplicated B. honest
C. frank
D. difficult
6). Which of the following is Not an advantage of cloning?
Definition Cloning is a way of making _a_n_e_x_a_c_t_c_o_p_y_ of another animal and plant.
Major uses ● Gardeners use it to of cloning _p_r_o_d_u_c_e_ commercial
as cloning plants. F Not the same
4). Dolly the sheep was the first successful
clone of a mammal. T
5). Natural clones happen in animals as
well as in plants.
D. Cloning can help keep animals from becoming extinct.
7). From the last paragraph we can infer that ____.
Step6.How to clone a sheep
Look at these pictures, and discuss this question with your partner.
5). In the second paragraph, the
word “straightforward”
means ____.
A. uncomplicated B. honest
C. frank
D. difficult
6). Which of the following is Not an advantage of cloning?
Definition Cloning is a way of making _a_n_e_x_a_c_t_c_o_p_y_ of another animal and plant.
Major uses ● Gardeners use it to of cloning _p_r_o_d_u_c_e_ commercial
as cloning plants. F Not the same
4). Dolly the sheep was the first successful
clone of a mammal. T
5). Natural clones happen in animals as
well as in plants.
D. Cloning can help keep animals from becoming extinct.
7). From the last paragraph we can infer that ____.
人教课标版高二英语下册选修8Unit2reading(共28张PPT)
Para 1: The definition of cloning
It happens both in _p__l_a_n__t_sand in _a__n__im__.als They can be cloned btyh_e__m__s__e_l_v_easnd ___h__u__m_. ans
B. Large quantities of food can be produced by cloning.
C. Cloning can help keep animals from becoming extinct.
＊D. Famous persons who have passed away
can be cloned.
3. Are the following clones the same? If not, what is the difference?
NO. The first four are man-made clones, the rest two are natural clones.
1. What is the main topic? A A. Cloning. B. Dolly the sheep .
About Dolly the sheep
Encouraging news: Dolly developed __n_o_r_m_a_l_ly__. Disturbing news:
Dolly lived for six and a half years, half the length of the life of the original one.
Para 4: The impact of Dolly
The word “controversial” in Para 4 probably means ____B____. A. complicated B. arguable C. important
人教课标版高中英语选修8Unit2 reading(共17张PPT)
Clone?
Natural clone
Natural clone is one that occurs from the “parent ” in a natural form of cloning without human help.
a way of
making an Man-made clone
How does the cloning of Dolly the sheep work?
Is cloning good or bad for us?
Fill in the chart using the information from the text. Add one reason of your own in each column.
世界上20%的人是吃小亏而占大便宜，而80%的人是占小一便宜吃大亏，大多数成功人士都源于那20%。 人的一生，可以有所作为的时机只有一次，那就是现在。 让生活的句号圈住的人，是无法前时半步的。 人生就像赛跑，不在乎你是否第一个到达尽头，而在乎你有没有跑完全程。 要想成为强乾，决不能绕过挡道的荆棘也不能回避风雨的冲刷。 不抱有一丝幻想，不放弃一点机会，不停止一日努力。 当一个女人喜欢一个男人时，她最喜欢听他说谎言；当一个女人厌恶一个男人时，她最希望听他讲真话。
cloning plants.
F
4. Dolly the sheep was the first successful
clone of a mammal.
5.Natural clones happen in animals as well as in plants.
Detailed reading
人教版高二英语Book8 Unit2
译林英语选修8Unit2 Reading(共21张PPT)
1.What’s the article mainly about?
Skill 1: focus on the instructions(提示） and the first paragraph/sentence
2.How many kinds of music are mentioned in this article? What are they?
Elvis Presley(猫王)--King of rock ‘n’ roll ‘Are you lonesome tonight?’
Representative(代表性的）
Singers Black/ Ssoinnggsers/bAacnhdiesvements/ （成就）
/bands White
( 现象B）ecaatlelemda_n__ia_______. In 1965, the
Beatles held a concert at Shea Stadium in
New York attended by approximately（大
约55）,00_0______ people. The Bebartolekse_u_p__
Contributions（贡献）
Big Joe Black Shake,
Turner
Rattle
and Roll
He recorded（录制）
( one of the very first rock
and roll songs
).
Billy Haley and the
White
Rock Around
Part III:1960s pop music
Beatles Famous Songs: • Hey Jude • Yesterday • Revolution
Skill 1: focus on the instructions(提示） and the first paragraph/sentence
2.How many kinds of music are mentioned in this article? What are they?
Elvis Presley(猫王)--King of rock ‘n’ roll ‘Are you lonesome tonight?’
Representative(代表性的）
Singers Black/ Ssoinnggsers/bAacnhdiesvements/ （成就）
/bands White
( 现象B）ecaatlelemda_n__ia_______. In 1965, the
Beatles held a concert at Shea Stadium in
New York attended by approximately（大
约55）,00_0______ people. The Bebartolekse_u_p__
Contributions（贡献）
Big Joe Black Shake,
Turner
Rattle
and Roll
He recorded（录制）
( one of the very first rock
and roll songs
).
Billy Haley and the
White
Rock Around
Part III:1960s pop music
Beatles Famous Songs: • Hey Jude • Yesterday • Revolution
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She was cloned while the others were born naturally.
Reading
Task 1
Read the passage and find out the main idea of each paragraph
Para. 1 Para. 2
Cloning has two major uses.
www,
natural clone clone man-made clone
Natural clone is one that occurs from the “parent ” in a natural form of cloning without human help. Man-made clone is one that produced through human intervention(介入) .
cloning is used in an evil way it can cause much trouble. Therefore, we should use cloning in a correct way.
Homework
Write a passage titled Is cloning good or bad? Your passage should include the following： 1)What is cloning 2)Advantages of cloning 3)Disadvantages of cloning 4)Your opinion of it
Read paragraph 3, try to get some information about Dolly the sheep after your reading, then answer the questions on the screen with your book closed
Dolly the sheep
Advantages
produce plants of similar quality for sale
cloning plants can be useful for research on new plant species
www,
evil leaders hoping to clone themselves
主旨大意 Posting reading
1. The main idea of the text is____. A. animal cloning is very valuable and can benefit the world
B. animal cloning could be misused by bad people
细枝末节
2. Which of the following statements about cloning is NOT true according to text? A. Cloning is something that has been developed quite recently. B. Twins that look exactly the same are originally from the same egg. C. Cloning is used by gardeners to make more money.
Why is it easier to make commercial plant clones than animal clones?
Cloning plants is straightforward w hile cloni ng ani mals is ver y complicated
Reading
2. At what age did this clone die?
She was six and a half years old
3. Did she develop the illness of older animals?
Yes, she became seriouly ill.
4. Which one can live longer, clone ones or ordinary ones?
failed
4.Which of the following is not an advantage of cloning? A. Cloning can be used for medical purposes. B. Large quantities of food can be produced by cloning. C. Cloning can help keep animals from becoming extinct. D. Famous persons who have passed away can be cloned.
Ordinary ones.
Comprehending
Go through paragraph four and five, try to find out the advantages and disadvantages of cloning
www,
using cloning to cure serious illnesses help save endangered animals
Para. 5
Reading
Task 2 Detailed Reading
What are பைடு நூலகம்he two major uses of cloning?
Read the paragraph 2 and answer the two questions.
Firstly, gardeners use it all the time to produce commercial quantities of plants. S e c o n d l y, i t i s v a l u a b l e f o r research on new plant species and for medical research on animals.
natural cloning examples
strawberry
twins
man-made cloning examples
the first cloned cat
Dolly the sheep
In 1996, a sheep called Dolly was born. It is the first mammal to be cloned. It is considered to be the greatest success in the development of cloning.
4 4
As a coin has two sides, everything has
two aspects. On one hand, if cloning is
used in a correct way it can bring many
convenience to us. On the other hand, if
www,
Express your ideas
Are you in favor of cloning or against cloning? State your point of view on it.
cloning
Advantages 1 using cloning to cure serious illnesses 2 help save endangered animals 3 produce plants of similar quality for sale 1
Disadvantages evil leaders hoping to clone themselves to attain their ambitions 2 3 religious leaders raised moral questions animal clones may develop the illness of older animals
Task 3
1. Four female sheep participate in the cloning of a new sheep.
F
Read the 9 sentences below the 3. Sheep B provides a somatic cell picture and get for the clone. T familiar with the 4. The lamb is the exact copy of procedure of cloning
religious leaders raised moral
Disadvantages
questions animal clones may develop the illness
of older animals animal clones may die younger than donor animals
the sheep which provides egg cell.
2. Electricity is needed in the procedure. T
F
The procedure of cloning Dolly the sheep
Reading
Task 4
1. What was the first clone from an adult animal?
so it must be forbidden
C. animal cloning is well developed because Dolly