外研版选修6 Module 5 Cloning Writing 课件(19张PPT)

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名称 外研版选修6 Module 5 Cloning Writing 课件(19张PPT)
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科目 英语
更新时间 2020-05-17 09:38:42

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(共19张PPT)
Unit2 cloning
Writng
Learning Objectives
1. to have a general understanding of cloning dinosaurs.
2.to practice and develop the reading skills.
3.to express own opinions


霸王龙 Tyrannosaurus Rex /T.Rex

剑龙 stegosaurs

雷龙 brontosaurus

翼龙pterodactyl


三角龙 Triceratops
give birth to
Egg cell with nucleus
Egg cell without nucleus
Somatic cell
Nucleus
Jioned by elctricity
carrier
Embryo
How to produce a sheep



Can we clone dinosaurs in
the way of cloning Dolly the sheep?
Yes or no?
The return of the Dinosaurs?

Para1 explain the impossibility of cloning dinosaurs
Para2 conclude that it’s just a dream
Para3 introduce the topic of the passage



skimming
What’s the main idea of the each paragraph?
What’s the main idea of the passage?

1. Who are interested in cloning extinct animals besides the film makers?
2.List some reasons why it is either impossible
or unsuitable to clone extinct animals.
3.Why is it wrong to clone an extinct animal if
it would live in a zoo?
4.What's the author's attitude towards cloning
the dinosaurs?


scanning
Summary
Cloning mammals is still a ______science. Dinosauras became extinct_____ million years ago. It's either _________or __________ to clone dinosaurs,because the _______ requirement is ________ DNA. So is the _________ in the group to ________ illnesses. So cloning dinosaurs is ________ a dream.
new
65
unsuitable
impossible
initial
perfect
diversity
cure
merely
Is cloning cruel? Should we clone
human being?

Discussing
Writing
A good passage usually has a clear organization or structure.
Bullet points
(first,to begin with,first and foremost, to start with ,second,moreover,what'smore ,furthermore ,third,last but not least…)
Good or useful sentence patterns
(transitions )
The structure : the three-paragraph form (三段式)


Writing
The cloning of human beings
From time to time people suggest that can possibly
be brought back to life through cloning. Unfortunately, with
what we know now, this is either impossible or unsuitable.
Here are the reasons:
Firstly,
Secondly,
Finally,
So I think, based on what we know now, you cannot
. It is merely a dream.







Natural selection and survival of the fittest.
---Charles Darwin


物竞天择,适者生存。 ---查尔斯·达尔文

Homework
Choose one animal from the table on page16 and write a passage.The title of the article should be ''let's bring back to life.