Book8 unit 2 Cloning
Warming up & Reading教学设计
Teaching aims:
1. Language aims:
a. important words and expressions:
clone, commercial, producer, undertake, arbitrary, object, forbid, accumulate, cast down, object to, the media, in favor of
b. important ntences:
It is a
The fact
The question that occurred ...
2. Ability aims:
Enable the students to describe cloning: What is the advantages of cloning？ What is the problems or dangers of cloning？What is your opinion of cloning？
3. Learning ability aims:
Help the students learn how to describe cloning.
Teaching Important and Difficult points
1. How to describe cloning.
2. Help the students analyze the writing techniques of the article.
Teaching procedures
Step 1 Check the homework
1.Ask some students to write their answers on the blackboard.
2.Check the answers and explain some difficulties.
Step 2 Warming up
Briefly introduce what cloning is.
Then Look at pictures
T: Look at the pictures and discuss which ones are natural clones and which ones are man-made. Then explain how they differ.
Step 3 Pre-reading
In pairs discuss what you understand about cloning.
Step 4 Reading
1.Fast reading
1) What is the main idea of the passage?
A. Cloned dogs can live longer than cloned sheep.
B. Human cloning is not allowed.
C. The definition(定义) and effects of cloning .
2) What is the writing style ?
A.Expositive(说明文)
B.Narrative（记叙文）
C.Argumentative（议论文）
2.Careful reading
1.Try to get the main idea of each paragraph
2. Answer some questions.
Para 1 The definition(定义) of cloning
What is cloning ?
Para 2 The two major us and procedures of cloning
1.What are the two major us of cloning?
Firstly, …commercial quantities of…
Secondly, …rearch on…
2. When was Dolly the sheep born?
Para 3 The problems of Dolly
At first, the fact that Dolly developed _______ was ____________.
Later, the news that she only lived for_________________, half the length of the life of the ________ one was ___________.
Para 4 The impacts of Dolly
On the one hand, it opened everybody’s eyes to the ____________of using cloning to cure______________ and even produce _____________; On the other hand , Its appearance raid a storm of ___________ and had a great impact on the ______ and public____________.
Para 5 People’s reaction to cloning
True or fal:
1.People feared that cloned evil leaders would do harm to the world.
2.All the rearch into human beings will be forbidden.
3.Some countries will u cloning in a wi way.
Step 5 Post-reading
Language Focus
Get the students to sum up the phras of the article.
Step 6 Summary
As every coin has two sides, everything has _____ aspects(方面). Cloning has both ______and _____ aspects . ______________, if cloning is ud in a correct way ,it can bring lots of convenience to us. ________________, if cloning is ud in an evil way ,it can cau much trouble. __________, we should u cloning in a correct way.
Answers: two; good; bad; On the one hand; On the other hand; Therefore
Step 7 Discussion
Are you against or in favor of Cloning ? Give your reasons.
Possible ntence patterns:
(1) People’s views vary from person to person.
(2)… hold the view that…./…in favor of …
(3)…object to the view that…/ are against…
(4) I can’t agree with …becau…
