1.5 Unit2 DNA 课件(冀教版九年级下册).ppt

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1、,Lesson 12 Did You Ever See a “Chorse”?,Fill in the blanks with proper prepositions or conjunctions: What if scientists could make clones _ human beings? But would they be exactly the same _ the original humans? _ some ways, clones would be exactly the same. We can divide a growing egg _ half. They

2、divided the class _ four groups. Some people worry _ the answer _ that question. 7. His sweater is good except _ the colour. 8. Yesterday I lost the key _ the door.,of,as,In,in,about,to,for,to,into,Fill in the blanks with proper prepositions or conjunctions: 9. Your DNA is _ every part of your body.

3、 10. Japanese is quite different _ English. 11. Many clothes are made _ cotton. 12. Have you ever seen a pig _ a dogs body? 13. _ changing the DNA, scientists made stronger cotton plants. 14. Scientists say we need to know more _ DNA before we start changing it. 15. We can make plants that are bad _

4、 insects.,in,from,of,with,By,about,for,Fill in each blank with the proper word from the brackets: What if it _(rain) tomorrow? Other people think human _(clone) is okay. Everyone except Jim and John _ (be) there when the meeting began. Li Lei, together with us _ (be) playing now. His uncle has been

5、_(die) for many years. Li Lei is always _(worry) about his studies. What he said makes me _(worry). Who is the _(design) of our new school building? 9.The boy can _(exact) learn these numbers by heart. 10. Li Yuchun is 1.74 metres in _(high).,rains,cloning,was,dead,worried,worried,designer,exactly,h

6、eight,is,同义句转换,每空一词: What else have scientists designed by changing DNA? What _ _ have scientists designed by changing DNA? 2. The computers are made in Japan. They sell well. The computers _ _ _ in Japan sell well. The computers _ in Japan sell well. 3. We can only make clones from living DNA. We c

7、an only make clones _ _ living DNA. 4. It may let scientists find new ways to help people who are ill. It may let scientists find new ways to help _ _. 5. You can divide the apple in half. You can divide the apple _ _.,other things,which/that are made,made,out of,sick people,into halves,根据汉语意思完成句子,每

8、空一词: 在某些方面,我们可以帮助别人。 _ _ _, we can help other people. 2. 许多衣服是棉布做的。 Many clothes _ _ _ cottons. 3. 我们可以培植对昆虫有害处的植物。 We can make plants that _ _ _ insects. 4. 科学家能从一种植物中提出DNA,并把它放入另一种 植物。 Scientists can _ DNA _ one kind of animals and _ it _ another kind of animal. 5. 通过DNA,科学家能鉴别你和与你有关的人。 From your

9、DNA, scientists can identify you and people _ _ you.,In some ways,are made of,are bad for,take from,put into,related to,根据汉语意思完成句子,每空一词: 6. 我们在北京西客站换了火车。 We _ _ at Beijing West Railway Station. 7. 她的毛衣和我的颜色一样。 Her sweater is _ _ _ _mine. 8. 我们分成几个小组讨论我们的计划。 We _ ourselves _ several groups to discuss

10、 our plan. 9. 我们若是开会迟到了又有什么关系呢? _ _ we are late for the meeting? 10. 但是他们和原来的人完全一样吗? But would they be _ the same as the original human?,changed trains,the same colour as,divided into,What if,exactly,A task: A debate is an argument between two groups. One group argues for an idea; the other argues a

11、gainst it. Plan a debate about this topic: is it a good idea to clone humans?,Lets learn to sing the song.,根据汉语提示及句意完成句子,每空一词: 1. I knew _(确切) what she wanted. 2. What _(别的) can you see in the picture? 3. The _(其他的) girls are singing in the classroom. 4. The boy is 1.75 metres in _(高). 5. I would li

12、ke to _(克隆) an animal that no longer lives in the world. 6. What if scientists could make _(克隆) of human beings? 7. I have _(分开) the apple in half. 8. Scientists can _(设计) new plants by combining the DNA of the other plants. 9. Mules are very _(有用的) animals. 10. Do you have a _(孪生) brother?,exactly,

13、else,other,height,clone,clones,divided,design,useful/helpful,twin,Fill in each blank with the proper word from the brackets: What if it _(not rain) tomorrow? I _(real) love my pet dog. Im thinking of _(make) a kite. I dont think I would want to be _(clone). Some people think human _(clone) is a bad

14、thing. We divided our class into two _(half).,doesnt rain,really,making,cloned,cloning,halves,A task: Work in a small group. Imagine you are a zookeeper whose zoo is losing money. You want to make some exciting animals. What animals will you combine? What will you name them? Use the pattern in the song to tell customs about your new animals. Sing the new song to the rest of the class.,

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