2018年秋九年级英语上册Unit5LookintoScienceLesson29DNA—TheStoryofYou导学课件（新版）冀教版.ppt

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1、Lesson 29 DNAThe Story of You,课前自主预习,课堂互动探究,Unit 5 Look into Science,课前自主预习,Lesson 29 DNAThe Story of You,generally,general,repeat,grandson,granddaughter,蓝图,指示，说明,instruct,Lesson 29 DNAThe Story of You,双胞胎之一； 孪生儿之一,模式； 形式,确认； 鉴别,有关的； 相关的,复杂的,except for,in general,not onlybut also,millions of,for exa

2、mple,与相关,在未来,和一样,Lesson 29 DNAThe Story of You,In,general,shows,that,how,to,Lesson 29 DNAThe Story of You,they,live,in,Lesson 29 DNAThe Story of You,are,strongly,influenced,Except,Lesson 29 DNAThe Story of You,for,who,are,related,to,Lesson 29 DNAThe Story of You,you,T,F,F,F,Lesson 29 DNAThe Story of

3、 You,T,课堂互动探究,词汇点睛,1 general adj. 一般的；普遍的,观察 In general, a blueprint is a drawing that shows how to put a house together with many different parts.一般而言，蓝图就是展示如何将许多不同的部分组建成一栋房子的图纸。 There is a general interest in sports.对于运动，(人们)有普遍的兴趣。,Lesson 29 DNAThe Story of You,探究 general用作_词，指普遍存在于大多数人或事物中，有“较少例

4、外的”含义。常用短语是in general，意为“_”。,形容,一般而言，通常,Lesson 29 DNAThe Story of You,活学活用,1一般而言，男孩比女孩更喜欢运动。_ _， boys like sports more than girls.,In,Lesson 29 DNAThe Story of You,general,观察 You have your own unique DNA, but it repeats patterns from your parents DNA. 你有你自己独特的DNA，但是它重复了你父母DNA的模式。 The teacher asked h

5、im to repeat what she had said. 老师要求他重复她所讲的话。,Lesson 29 DNAThe Story of You,2 repeat v. 重复；复述；背诵,探究 repeat可作及物动词，也可作不及物动词。repeat意为“重复；重说；重做”时， 其后不能再跟 again。repeat sth.say/do sth. _。,again,Lesson 29 DNAThe Story of You,2Sorry, Mr. Liu, I didnt understand what you said just now, could you please repea

6、t _ it？(选出与画线部分意思相同或相近的一项)Aread it again Blisten to it again Csay it again Dwrite it again,C,1 It takes millions of years for nature to change the DNA in living things to make them fit the world they live in.对大自然来说，改变生物的DNA以使它们适应它们生存的世界要花费数百万年的时间。,Lesson 29 DNAThe Story of You,探究 (1)句中“they live in”

7、为定语从句，前面省略了关系词that或which。 (2)millions of 意为“_”。,句型透视,数以百万计的,拓展 (1)关系代词在定语从句中作主语时，一般不能省略；只有做宾语或表语时才可省略。 Is there anything (that) you wanted here? 这儿有你想要的东西吗？ China is not the country (that) it was. 中国已不是过去的中国了。 (2)hundred, thousand, million, billion表示具体数字时，用单数；表示概数时，后面要加s, 并且与of连用。,Lesson 29 DNAThe S

8、tory of You,活学活用,12017兰州 She often parks her car near the house_ she can easily get to.Awhere BwhoCwhich Dwhat,C,Lesson 29 DNAThe Story of You,2 Except for some twins, every living thing has its own unique DNA. 除了一些双胞胎之外，每一个生物都有自己独特的DNA。,Lesson 29 DNAThe Story of You,拓展 except for, except, besides与b

9、ut,Lesson 29 DNAThe Story of You,Everyone except Li Ming passed the English exam. 除了李明之外，大家都通过了这次英语考试。 He is a good man except for his hot temper. 他是个好人，只是脾气暴躁而已。 Weve been to the Great Wall besides Li Lei. 除了李雷之外，我们也都去过长城。 There is nothing but a bed in the room. 房间里除了一张床什么也没有。,Lesson 29 DNAThe Stor

10、y of You,2(1)All of us went to the park_ Bob. He had to look after his sister.Abesides Bwith Cexcept Dbeside,Lesson 29 DNAThe Story of You,【解析】 besides意为“除了之外还有”，包括排除的人或事物在内；with意为“和一起”；except意为“除了”，表示从整体中除去，不包括所除人或事物在内；beside意为“在旁边”。句意：除了鲍勃，我们都去公园了。他不得不照看他妹妹。故选C。,C,(2)The house is beautiful _ the s

11、mall windows.Aexcept Bexcept for Cbesides Dbut,Lesson 29 DNAThe Story of You,B,3 From your DNA, scientists can identify not only you, but also people who are related to you. 从你的DNA中，科学家们不仅能够鉴别你，而且能鉴别与你相关的人。,Lesson 29 DNAThe Story of You,探究 (1)be related to 意为“_”。 (2)not onlybut also意为“_”，连接_成分。,与相关,

12、不但而且,并列,拓展 (1)not onlybut also连接的并列成分作主语时，句子的谓语动词应与but also后的成分在人称和数上保持一致，即遵循“就近原则”。 Not only you but also Jack has been to Paris. 不仅你，还有杰克也去过巴黎。 (2)与not onlybut also用法相似，遵循“就近原则”的词组还有neithernor(既不也不), eitheror(或者或者)等。,Lesson 29 DNAThe Story of You,3(1)那位律师和张先生有关。The lawyer is _ _ Mr. Zhang.,Lesson

13、29 DNAThe Story of You,related,to,(2)2017咸宁What have you learnt after three years study in China, Maria? I was taught_ knowledge _ good manners. Aeither; or Bnot only; but also Cneither; nor Dnot; but,Lesson 29 DNAThe Story of You,B,(3)2017镇江Do you enjoy the songs sung by Jay Chou? Of course. Not on

14、ly I but also my parents _ his fans. Aam Bare Cwas Dwere,Lesson 29 DNAThe Story of You,B,课文回顾,What is DNA?,blueprint,Lesson 29 DNAThe Story of You,DNA,Its the 1. _ of life,Every living thing has its 3. _ 4. _ DNA except for some twins.,DNA is 2. _!,DNA might be 5. _ in the future.,Every part of your body has 6. _ 7. _ DNA.,Your DNA 8. _ patterns from your parents DNA.,fantastic,own,unique,changed,the,same,repeats,