课件17张PPT。DNA- the Secret of LifeDolly – a cloned sheepProduct of genetic engineering.Hitler Can we create another Hitler? Find out the answer in the text.Task 1: Fast reading.
Read the text and answer the following questions:
Why did Watson and Crick say, “we have found the secret of life.”? ( part 1)
What will genetic engineering help scientists to do in the near future? ( part 3 )
What does the writer feel about the new developments in genetics? ( part 3 )Task 2 detailed reading:
Find out the following information:Topic of Part 1
James Watson and Francis Crick found the answer to how livings reproduce themselves.Topic of Part 2. (Story A)
DNA testing can help in criminal investigations.
Topic of Part 2 (Story B)
Surgeons can insert some new genes into the baby before it is born to make it good-looking and intelligent.
Topic of Part 2 (Story C)
Surgeon can make an adult run faster by inserting an animal gene into his body.
Topic of Part 2 (Story D)
People can predict the inherited illness before baby is born.Topic of Part 3
The genetic engineering will create new characteristics. Thus, we will face some new social problems.Can we create another Hitler?Language Points1. astonish vt. 使某人惊讶
我们听到消息很惊讶。
We were astonished to hear the news.
他的样子叫我吃惊。
He astonished me by his appearance.
听说你还没收到我们的信，这使我们十分惊讶。
It astonished us to hear that you did not received our letter.
这故事令人惊讶不已。
It was an astonishing story. 2. the answer to one of the most important questions of biology
the key to the lock
the entrance to the door .3. pass on to …传（下去）给……， on 表示继续
你们打算将这种风俗传给下一代吗？
Do you intend to pass this custom on to the younger generation? 4. have an enormous influence on产生巨大影响
听音乐对她起了一种镇静的作用。
Listening to the music has a calming influence on her.
他的父母对他不再有任何真正的约束力了。
His parents no longer have any real influence over him.
她那些所谓的朋友对她的影响很坏.
Those so-called friends of hers are a bad influence on her.5. alter an opinion
改变意见
The ship altered her course.
这艘船改变了航向。
vt. 修改<衣服
The coat is too large; they must be altered.
这件外套太大,必须修改。6. inherit 继承, 遗传而得
inherit something from somebody
He inherited a fortune from his grandmother.
She inherited all her mother's beauty. Commit the murder/ suicide
A standard procedure
Inherited illness
Approach- around the corner
Become pregnant
As a consequence/ result of
Hereditary(世袭的, 遗传的) characteristics
a hereditary disease
Genetic engineering课件4张PPT。Module 2 Your Genes, Your FutureRead the text quickly and answer the following questionswhat’s the main idea of this text?
Scientists will soon have the ability to _____.
However, scientists will not be able to _____ .To a great extent,your genes decide your future.Read the text and fill in the blanks with a proper word.
To a great extent, our genes_______ our future. To prove this, scientists have found some clues how certain genes _______________ us.
For example, by looking at your parents’ height, scientists can _______ how ______ you are going to be. If your parents wear glasses, it is ________ that you need to wear glasses too. Therefore, we ______ many of our _________ _____________ from our parents.decideaffect/ influencepredicttallpossibleinheritphysicalcharacteristics However, scientists are not so sure of other characteristics. They are learning that with most ____________ characteristics , not only our genes but also our ___________ counts. So it’s ______ for them to predict our future with any real success.
____ ____ ____ that, scientists will surely be able to _____ our genes in the near future, which is a great ____________ in biology. But with such new developments, life is going to become even more ___________.psychologicalenvironmenthardIn spite ofreadachievementcomplicated
