英语九年级冀教版 Lesson 29 DNA—The Story of You课件 (共27张PPT).ppt

1、Lesson 29DNA-Thestoryofyou赤道九年制寄宿学校赵会艳Let s enjoy some photos!Lets talk!1.Whydoyoulooklikethis?Because of DNA.2.What is DNA?DNA is the blueprint of life.3.What is a blueprint?(Paragraph 1)4.Which is more complex,building a living thing or building a house?(Paragraph 2)DNAisfantastic!Doyouknowthem?-T

2、heyaretwins.They are twins,too.Except for some twins,every living thing has its own unique DNA.Some health problems can be cause by problems in your DNA.Scientists can look for these problems and,sometimes,help you before you become sick.In the future,scientists might be able to change your DNA.Ther

3、e are copies of your DNA in every part of your body.For example,your finger has the same DNA as your hair.Who is related to you?Read and Know!Your DNA comes from your parents.You have your own unique DNA,but it repeats patterns from your parents DNA.From your DNA,scientists can identify not only you

4、,but also people who are related to you,Your parents and grandparents are related to you,and you have their DNA.When you have a grandson or granddaughter,he or she will have your DNA.In a word.You DNA has billions of instructions that explain that why you are the way you are.Its one of the most amaz

5、ing things on the earth!-This is the story of youIts time to practice!完成句子。（中考链接）1.一般来说，女人比男人活得更长。_,women are live longer than men.2.你的作文相当好，除了一些拼写错误外。Your composition is quite good _ a few spelling mistakes.3.现如今，不管是年轻人还是老年人都喜欢流行音乐。_ the young _ the old like pop music nowadays.4.我认为财富与幸福没关系。I dont

6、think wealth _ happiness.5.尽管还留下许多困难，我们可以克服的。_ many difficulties remain,we can overcome them.In generalexcept forNot onlybut alsois related toEven if/thoughIsitagoodideatochangetheDNAofthefoodweeat?good/badkinddeliciousproductionfeed pricehealthynatural or notbe good forbe bad formore kinds of more

7、delicious than beforeincrease the productionfeed more peoplecheaperunnaturaldo harm to Scientific discoveries are making our lives better and better.Inventions and discoveries have changed the modern world.Everything has two sides.Its never too late to learn.Nothing is too difficult,if you put your heart into it.Teacher Motto11.Write thecompositiondown in your book.2Read this article at least three times.3Finish“Lets do it”NO.3.Doing the tasksHomework