教学设计
课程基本信息
学科 英语 年级 高二 学期 秋季
课题 Unit2 Reading and Writing: Cloning: Where is it Leading Us
教科书 英语选择性必修第一册
教学目标
1. 通过阅读语篇了解克隆的定义、分类、过程及用途。 2. 利用语篇信息及背景知识，讨论作者及个人对克隆的态度。
教学内容
教学重点： 1．引导学生讨论对克隆的理解。
2. 梳理文章段落大意，及段落内部的信息。
教学难点： 1．如何让学生理解克隆的过程。
2. 如何讨论克隆背后的道德问题。
教学过程
Activity 1: Introducing the topic by talking about cloning. 1. Talk about what you know about cloning. Q1: Speaking of cloning, what first comes to your mind Q2: What do you want to know about cloning (possible questions) What is cloning How was Dolly cloned What can we clone Why do we clone What are the uses Is cloning a good or bad thing What are the concerns Activity 2: Reading to find the text type and main ideas. Read the passage and answer the questions. Q1: Where do you think this text is from Q2: What’s its writing purpose Q3: Who are the possible audience Match the topics with the paragraphs. Activity 3: Reading each paragraph and answering the questions. Read para.1 and answer the questions. Q1: What is cloning Q2: What are two examples of natural clones Read para.2 and answer the questions. Q1: What are the two main uses of cloning Q2: What are their features respectively Read para.3 and answer the questions. Q1: How was Dolly cloned Q2: Which sheep does Dolly look like Read para.4 and answer the questions. Q1: What are the uses of cloning in the future Read para.5 and answer the questions. Q1: What are the concerns of cloning Q2: What are the moral issues involved with cloning animals and human beings Q3: What does the author mean by “What would happen if such knowledge ended up in the wrong hands ” Q4: What is the writer’s attitude towards cloning Activity 4: Watching a video and discussing. Watch a video about cloning human beings. Discuss your attitude towards cloning. Q1: If you had a chance to clone yourself, would you do that Assignment Imagine that you are a scientist and that you have the choice to clone or not to clone a particular animal species. Write a report about your choice.(共16张PPT)
Unit2 Reading and Writing
Cloning: Where is it Leading Us
杭州学军中学
选择性必修1
高中英语（人教版）
Speaking of cloning, what first comes to your mind
Dolly the sheep
Birth: July, 1996
Failures: 278
Death: Feb, 2003
Cause of death: lung disease
Dolly lived six and a half years, half the length of the life of the original sheep.
What do you want to know about cloning
What is cloning
How was Dolly cloned
What can we clone
Why do we clone What are the uses
Is cloning a good or bad thing
What are the concerns
…
Read and answer the questions:
Where do you think this text is from
What’s its writing purpose
Who are the possible audience
It appears to be a feature article(专题文章) from a newspaper, meant for general audiences to introduce cloning and raise their concerns.
Para. 1
Para. 2
Para. 3
Para. 4
Para. 5
Para. 6
Match the topics with the paragraphs.
A Possible uses of cloning in the future
B Whether cloning is good or bad
C Current uses of cloning
D What cloning is
E How cloning a sheep works
F Moral and ethical concerns about cloning
adj. 目前的
adj. 道德的
adj. 伦理的
1. What is cloning
cloning: Cloning is a way of making an exact copy of another animal or plant
clone (n.): a plant or an animal that is produced naturally or artificially from the cells of another plant or animal and is therefore exactly the same as it
natural clones
man-made clones
1. What is cloning
Can you find out two examples of natural clones
2. What are the two main uses
mostly several attempts
278 attempts
a manmade clone (Dolly)
natural clones (plants)
3. How was Dolly cloned
Dolly the sheep ______.
A. looked exactly like the sheep that provided the egg
B. was the exact copy of the sheep that provides the nucleus
C. looked like the sheep that gave birth to it
D. had the characteristics of all the three sheep
The lamb which is born is the clone of sheep B who provides the somatic cell containing the nucleus. It is in every way identical to sheep B, but younger.
4. What are the uses of cloning in the future
5. What are the concerns of cloning
Concerns (para.5):
End up living in a zoo
Used as a source of organ transplants
Harmful to health
Human clones
What are the moral issues involved with cloning animals / human beings
Animals: The cloning animals would be treated as tools for science instead of living creatures.
Humans: Will they have the same human rights Will they have the same consciousness(意识) and humanity as original humans Will they live shorter Will they be mistreated
Future uses:
Breed endangered or extinct animal species
Medical treatments
Provide higher quality animal products
moral
5. What are the concerns of cloning
What does the author mean by “What would happen if such knowledge ended up in the wrong hands ”
What might happen
It may be used for bad purposes. For example, cloned organs and tissue could be produced by some bad guys for commercial purposes.
The writer’s attitude towards cloning is _______.
positive B. negative C. neutral
Your attitude
If you had a chance to clone yourself, would you do that
Assignment
Imagine that you are a scientist and that you have the choice to clone or not to clone a particular animal species. Write a report about your choice.
同学们，再见
