(共14张PPT)
Module 5
Cloning and DNA
P64-P66
What is the video about
What aspects of cloning and DNA will be mentioned
The development of cloning and DNA .
The popularity of cloning.
Advantages and disadvantages of cloning
The programs of cloning.
The applications of DNA.
Prediction
What aspects of cloning and DNA will be mentioned
The development of cloning and DNA .
The popularity of cloning.
Advantages and disadvantages of cloning
The programs of cloning.
The applications of DNA.
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√
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Skimming
To be a clever reader
A. narration(记叙文 )
B. exposition(说明文 )
C. argumentation(议论文 )
D. news report
√
What is the style of the article
Para.___
Para.___
Para.___
1-3
4-7
8
The development of cloning and DNA .
Advantages and disadvantages of cloning
The applications of DNA.
Cloning and DNA
development
Advantages and
disadvantages
applications
Scanning
To be a fast reader
Detailed reading
3
4
To give a child to the couple...
…restrict the biodiversity...
embryo would be wased...
…handy for farmers...
To obtain …stem cells...
To reproduce talents of...
…contradictory to...
…under psychological …
1.If you were that parent, would you clone a child Why
2.If you had the power, who would you clone Why
3.If you were a doctor, would you clone for stem cells
4.If you were a farmer, would you clone animals/plants
To be a focused reader
In 1953, Watson and crick discovered the DNA- a _______twisting ladder of the basic ________ of life. in 1866 Mendel found that the gene of a new plant was influenced by both parents. In 1973,two biochemists discovered the ______to unzip DNA.
Cloning is a ________topic. However, there are many _______reasons for cloning. The first one is that it can be an _____treatment for couples who have no children. But the clone may have great pressure. Secondly, it can reproduce the talents of _______ people. But an copy may be totally _________ to the original one. Thirdly, we can get stem cells which are very ______, which may cause social problems. Fourth, we can clone some prize cows to resist bacteria and disease, which may restrict the _______.Finally, DNA can help solve crimes by _________ the saliva or the dirt under fingernails.
components
transparent
controversial
flexible
procedure
valid
optional
exceptional
contradictory
biodiversity
Summary
analysing
To be a deep thinker
Thinking
“Science spirit”
Show Time
Work with your partners and brainstorm some words/ phrases/sentences to describe “Science spirit” .
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To be a deep thinker
Thinking
Show Time
As a teenager, how can you apply “Science spirit” to your life and study
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To be a deep thinker
Speaking
Homework
1. Surf the Internet for more information about science spirit.
2. Write a short passage entitled ”How can I apply science spirit to my life and study ”
To be a good writer
