九年级英语上册Unit5LookintoScienceLesson29DNA—TheStoryofYou课时训练（新版）冀教版.doc

1、1Lesson 29 DNAThe Story of You.根据课文内容，完成下面表格单词1.重复_ 2.孙子；外孙_3一般的；普遍的_4孙女；外孙女_5说明_ plex_7identify_ 8.related_9pattern_ 10. blueprint_短语1.一般而言；通常_2除之外_3与相关_4数十亿计的； 大量_5不但而且_句型1. 一般来说，蓝图是一幅展示如何将很多不同的部分组合在一起构成一所房子的草图。_ _， a blueprint is a _ that shows how to put a house together with many different part

2、s.2但是创造一种生物要比建造一座房子复杂得多。But building a living thing is _ _ complex _ building a house.3除了一些双胞胎以外， 每个生物都有自己唯一的DNA。_ _ some twins, every living thing has _ _ unique DNA.4有些健康问题可能是由你的 DNA 的问题引起的。Some health problems _ _ _ _ problems in your DNA.5在将来，科学家们可能会改变你的 DNA。In the future, scientists _ _ _ _ cha

3、nge your DNA.6通过你的 DNA，科学家们不仅能够鉴别出你，而且能够鉴别出与你有亲属关系的人。From your DNA, scientists can identify _ _ you, _ _ people who are related to you.根据句意及所给提示，写出单词或短语的正确形式1. Mary and Rose are sisters and they were born on the same day, so they are t_22. The scientist has i_ the differences between them.3Pardon? C

4、an you r_ what you said?4The situation here becomes much _ (complex) now.5Mr. Su has two _ (外孙)6The _ (说明) of the products are helpful to people.7I think this matter _ (与相关) Jim.8. _ (总的来说), what he has done is right.单项填空 ( )1.There are _ birds living on this island.Abillion BbillionsCbillion of Dbi

5、llions of ( )2.I think this book is far _ than those ones. Athe more interesting Bmore interestingCmost interesting Dthe most interesting( )3. My mother often makes me _ the clothes.Ato wash BwashesCwash Dwashing( )4. Is the accident _ you?Arelated to Brelate to Crelating Drelated( )5. The movie was

6、 good _ the ending.A. beside B. besidesC. unless D. except for( )6. What film do you like best?The Martian. It _ shows a lot of imagination _ has a sense of humour.Atoo; to Bneither; norCeither; or Dnot only; but also.词语运用根据短文内容及所给提示，在文中的空白处填写一个正确的单词。Do you know about a famous sheep 1._(call) Dolly？

7、She 2._(create) by cloning more than ten years ago. But what is used in cloning? Its DNA.There is DNA in most living things, 3._ (include) human beings. Your fingers have the same DNA 4._ your hair. You have your 5.o_ DNA, which is similar to your parents, but not exactly the same.完形填空Dear Dr. Bamfo

8、rd，I know you are a famous scientist and have done great work on cloning animals. Please excuse me for writing to you, but I need your_1_. Let me 3explain. I am a 60yearold man. Im very rich. I live in a large house. My wife died three years ago. We didnt have children. So, am I_2_？ No, because Cile

9、y is with me. Every night we eat dinner together and watch TV.Ciley sits beside me_3_ I feel very happy. Im fascinated(着迷的) by her beautiful green eyes. Shes also very smart. Sometimes she thinks only about herself. But thats what I_4_ about her. She is quite a beautiful Siamese cat. There is no oth

10、er cats like her in the whole world.These days I worry about_5_ Ciley. She is getting older and older. Cats dont live_6_humans, of course, so she will die before I do. I can not imagine my life_7_ Ciley.Well, why not get another cat after Ciley dies？_8_！ No other cats can ever replace(代替) her. I hav

11、e been thinking about this: clone Ciley. Scientists are able to clone sheep and mice and other animals. They should be able to clone cats without much_9_. Luckily, I am a rich man. I dont care how much money I will spend cloning Ciley. I think_10_ to clone pets. Its not cloning humans.What do you th

12、ink of it? Could you clone Ciley?A rich man( )1. A. cat B. animalsC. help D. money( )2. A. lucky B. lonelyC. healthy D. happy( )3. A. but B. orC. for D. and( )4. A. like B. hateC. mind D. stand( )5. A. feeding B. catchingC. losing D. training( )6. A. as hard as B. as soon asC. so often as D. so long

13、 as( )7. A. with B. without C. of D. about( )8. A. Certainly B. ImpossibleC. Really D. Wonderful( )9. A. difficulty B. adviceC. hope D. chance( )10. A. its terribleB. you arent supposedC. its OKD. you arent allowed.任务型阅读Do you know about DNA? Here is an introduction of it.DNA is short for deoxyribon

14、ucleic acid. It contains genetic instructions. These instructions are used in the development and functioning of all known living organisms(有机体). Thats to say that your DNA decides what you are like. 4Perhaps this is a little bit difficult for you to understand. Here is an example to explain it more

15、 clearly. Before you were born, your DNA had already decided you would have two hands and that each hand would have five fingers. Your_hands_would_help_you_hold_things_and_do_many_other_things.However, DNA is more than that. We _ our DNA from our father and mother. That is why we look like our paren

16、ts and are not like others. Also because of different DNA, we Chinese look different from Americans. We have black hair and eyes, but many Americans have blue eyes and blond hair. Though we have discussed many things about DNA here, there is still a lot more to know about it. If you would like to kn

17、ow more about DNA, you can go on the Internet.1 题完成句子；2 题简略回答问题；3 题将文中横线处所缺单词写在下面的横线上；4 题写下本文的主题句；5 题将文中画线句子译成汉语。1. Americans look different from Chinese because _2. What does DNA contain?_3_4. _5. _素材一 新课导入设计1新闻导入South Korean scientists said they had engineered four beagles that glowed red using cl

18、oning technique. This study could help develop cures for human diseases.The four dogs, all named “Ruppy”a combination of the words “ruby” and “puppy”. They looked like typical beagles by daylight.But they glowed red under ultraviolet light, and the dogs nails and abdomens, which have thin skins, loo

19、ked red even to the naked eye.韩国科学家称，他们利用克隆技术培育出了四条发出红色荧光的比格猎犬。这一研究能够帮助人们研发治疗人类疾病的方法。这四条小狗都被称为“Ruppy”(“ruby”和“puppy”的合成词)。在日光下，它们看起来和普通的比格猎犬没什么差别。但在紫外线的照射下，它们会发出红光，尤其是指甲和皮肤很薄的腹部，用肉眼都能看出红色。2生词传递全班分成若干组，教师分别发给每一组最后一名学生一张纸，上面写着一个本课的单词。在教师说开始后，最后一名学生用耳语把纸上的单词告诉前面的学生，这名学生再把听到的单词告诉前面的学生这样依次进行下去。最后，每一组的第一名

20、学生把所听到的单词写到黑板上，传得最快，最准的组获胜。素材二 课堂活动案例活动一将全班学生分成几个活动小组，组内每一名同学说出一个有关 DNA 的句子，最后组成一篇小短文。活动二教师将课文中的关键词语利用多媒体进行展示，让学生造句。素材三 新课教学方法1教学方法 (1)词汇教学法：教师可以通过多媒体展示家庭树，分析家庭成员关系，在 grandchild的基础上温故而知新，学习 grandson, granddaughter。(2)任务教学法：教师在课堂上可提出问题“Whats DNA？” “Why do the twins look the same？”(3)合作学习法：学生分组讨论 DNA，

21、然后连成一篇小短文，让小组成员复述。2学习方法定语从句的引导词只用 that 不用 which 的情况可借助以下口诀来记忆：that, which 代表物，区别听我来叙述；先行若是不定代，that 就把 which 踹；先行词前有序数，就用 that 定无误；先行词前最高级，还用 that 必无疑； 句中若有 there be, that 应把 which 替；先行主中作表语，避免重复从句里；just, the only/very/same/last，其后也要用that。更多备课资源：word 版电子教案、匹配的课件，详见云资源。教师详解详析.单词： 1.repeat 2.grandson 3

22、.general 4granddaughter 5.instruction6复杂的 7.确认； 鉴别 8有关的；相关的 9.模式；形式10蓝图短语： 1.in general 2.except for 3be related to 4.billions of5not onlybut also句型： 1.In general; drawing2far more; than 3Except for; its own4can be caused by 5might be able to 6not only; but also.1.twins 2.identified 3.repeat4more complex 5.grandsons 6instructions 7.is related to 8In general/Generally speaking.16 DBCADD.1.called 2.was created3. including 4.as 5.own.15 CBDAC 610 DBBAC.1.they have different DNA2It contains genetic instructions.3get4Here is an introduction of DNA.5你的手会帮助你抓住东西并且做许多其他的事情。