Unit 5 Look into Science.Lesson 29 DNA—The Story of You.课件

课件38张PPT。UNIT 29 DNAA Blueprint of LifeLesson 29 DNAThe Story of You321 DNA
Listen and FillTask 1 Skim and Answer（略读 跳读） What’s the topic sentence of this passage?DNA is the blueprint of life.
DNA
The Story of YouWhat is DNAWhat’s DNA like
(Characters)A conclusionTask 2 Scan, answer and Translate 1. What is a blueprint?

2. Does every living thing have its own unique DNA?
3. Which is more complex, building a living thing or building a house?

4. Whose DNA is related to you?

5. Your DNA has billions of instructions that explain why you are the way you are.(翻译)


DNA
(fantastic) while-readingDNA (fantastic) uniqueDNA (fantastic)health uniqueDNA
(fantastic)changehealth uniqueDNA
(fantastic) uniquehealth changecopyDNA (fantastic) health uniquerelatedchangecopyTask 2 Scan , answer and Translate 1. What is a blueprint?
A blueprint is a drawing that shows how to put
a house together with many different parts.
2. Which is more complex, building a living thing or
building a house?
Building a living thing.
3. Does every living thing have its own unique DNA?
No, except for some twins.
4. Whose DNA is related to you?
People who are related to you. For example, your
parents and grandparents.
5. Your DNA has billions of instructions that explain
why you are the way you are.(翻译)


Task 3 Read to your partner1. Your hair has the same DNA as your blood.
2. Twins have the same DNA.
3. Everyone has his own unique DNA.
4. You have the same DNA as your parents.
5. It’s impossible to change your DNA.
6. Some problems in your DNA can cause
some health problems.
7. You have part of your grandparents’ DNA.
TTTFFFT Play a GamePost-reading Language Points except except for

1.Your homework is quite good except for
a few spelling mistakes.
2. The city is good except for the weather.
3. All the students go to the zoo except
Jim, because he is ill.
4. Everyone is here except Tom.

relate to… The matter relates to Jack.
Jack _________ the matter.
Jack is the person________
the matter.Language Pointsis related to related to not only…but also1.From your DNA, scientists can identify
not only you, but also people who are
related to you.
2.She not only writes his own plays, but
also writes music.
3. Not only I but also Tom enjoys fishing.


Language Points1. Your composition is quite good ____________ a
few spelling mistakes.
2. ____________ the young ____________ the old
like pop music.
3 . You can have any of the cakes ____________
this one, for it’s for Cindy.
4. ____________, women live longer than men.
5. He is the person ____________ to my family.
6. I don’t think wealth ____________ happinessFill in the blanks with the phrases in the box. in general， except for， not only… but also
related to， except， be related toexcept forNot onlybut alsoexcept In general related tois related toLet’s enjoy GM papaya GM strawberry“blue tomato” GM cornGolden Rice grains GM FoodIs it a good idea to change the DNA of the food we eat?good/badkinddeliciousproductionfeed price…healthy
natural or
notbe good for…
be bad for…
more kinds of…
more delicious than beforeincrease the production
feed more peoplecheaper
unnatural
do harm to… Is it a good idea to change the DNA of the food we eat? On one hand, it is good to change the DNA
of the food we eat. First, ________________ _______________________ Second,______ ______________ Third,_________________ _____________________________.
On the other hand, it also has some disadvantages.________________________.
In my opinion,______________________ ___________________________________ .

Scientific discoveries are making our lives better and better.
Inventions and discoveries have changed the modern world.
Everything has two sides.
It’s never too late to learn.
Nothing is too difficult, if you put your heart into it.
Teacher Motto11.Write the
composition
down in your
book.
2Read this article
at least three
times. 3Finish “Let’s do it” NO.3.Doing the tasksHomeworkTHANKS