1、英语选修8人教版新课标Unit 2阅读导学案Unit 2 Cloning 导学案Warming up , Pre-reading & Reading 【学习目标】1.Learn about some facts and views about cloning . 2.Develop reading ability by skimming and scanning the passage .【学习重难点】1. Develop reading ability 2. Learn how the information is organized .【学法指导】1. 通读课文，理解文章大意 2. 再次细
2、读课文，理解细节内容【知识链接】 Do you know about Dolly the sheep ? What phenomenon is it ? Can you give more examples like it ? _ _ 【学习过程】 Step I Fast ReadingScan the text and answer the following questions :1. Whats a clone ? _2. What do you think the passage is about ? (B级)_ _ 3. Tell whether the following stat
3、ements are true (T) or false (F) . (1) Cloning means making a copy of an animal or a plant .( ) (2) Gardeners can make a lot of money by cloning plants .( ) (3) Cloning animals is as complicated as cloning plants .( ) (4) Dolly the sheep was the first successful clone of a mammal .( ) (5) Natural cl
4、ones happen in animals as well as in plants . ( )Step Careful ReadingRead the text carefully and finish the following questions : （方法导引：快速浏览相关段落，查找与答案相关的段落或句子。细读一遍，确定答案）4. How many major uses does cloning have ?_ 5. What is used in the procedure for cloning Dolly the sheep ?_ 6. What can we infer fr
5、om the last paragraph ? (B级) 7. Find out the main idea of each paragraph :Para.1:_ Para.2:_ Para.3:_ Para.4:_ Para.5:_ 8. The main idea of the text is . A. animal cloning is very valuable and can benefit the world . B. animal cloning could be misused by bad people so it must be forbidden . C. animal
6、 cloning is well developed because Dolly the sheep was born . D. animal cloning raised arguments and scientists are not sure about its future .9. Which of the following statements about cloning is NOT true according to the text ? A. Cloning is something that has been developed quite recently . B. Tw
7、ains that look exactly the same are originally from the same egg . C. Cloning is used by gardeners to make more money . D. Animal cloning is much more difficult than plant cloning .10. The lamb is the clone of the cell from sheep B because . A. it provides the egg cell B. it gives birth to the lamb
8、C. it provides the nucleus D. it is a female sheep11. Which of the following is NOT a problem or danger of cloning mentioned in the text ? A. Evil leaders may want to clone themselves . B. Animal clones may develop the illness of older animals and may die younger than the donor animals . C. There ar
9、e moral objections to cloning human beings. D. Too much cloning may lead to the destruction of the balance of nature .12. Which of the following is NOT an advantage of cloning ? A. Cloning can be used for medical purposes . B. Large quantities of food can be produced by cloning . C. Famous persons w
10、ho have passed away can be cloned . D. Cloning can help keep animals from becoming extinct .13.We can infer from the last three paragraphs that . A. The normal development of Dolly had no effect on the cloning of other species . B. Dollys serious disease and final death disturbed everyone in the wor
11、ld . C. Dolly successfully cloned a new lamb with the help of cloning scientists . D. There were arguments about animal cloning and concerns about the future of cloning.14.What is the writers attitude toward cloning in the passage ? A. The writer is against cloning . B. The writer is in favour of cl
12、oning . C. The writer does not state any personal opinion about cloning . D. The writer is in agreement with cloning .15.What are the problems or dangers of cloning ? (B级) Step Discussion(B级)16.What problems may arise when humans are cloned ? 17.Should we clone humans ? 【课堂小结】【当堂检测】(每空一词)Cloning has
13、 always been with us and it is here to stay . It is (1) making an exact copy of another animal or plant . Cloning plants is straightforward(2) cloning animals is very complicated . It is a difficult task (3) .Many attempts to clone mammals failed . But at last the determination and patience of the s
14、cientists (4) in 1996 with a breakthroughthe cloning of Dolly the sheep . (5) that she seemed to (6) was very encouraging . Then (7) the disturbing news that Dolly had become seriously ill . Cloning scientists (8) to find that Dollys illnesses were more appropriate to a much older animal . Altogethe
15、r Dolly lived six and a half years ,(9) of the life of the original sheep .On the other hand , Dollys appearance (10) of objections and had a great impact on the media and public imagination. 【课后反思】 我在这一课收获了：1.基础知识学会了_2.学习方法掌握了_-3.获得_情感知识。自己预习中不明白的问题解决了_没解决的_学习中还存在的问题_Unit 2 Cloning 导学案Warming up ,
16、Pre-reading & ReadingSuggested answers:【知识链接】Yes . Its a clone . Such as twins and planting trees by cutting branches .【学习过程】1.Its a way of making an exact copy of another animal or plant .2.It is about the produce of cloning , and animal cloning raising arguments and whether scientists are sure abo
17、ut its future or not .3. (1)F （2）T （3）F （4）T (5) T 4.It has two major uses .Firstly , gardeners use it all the time to produce commercial quantities of plants . Secondly , it is valuable for research on new plant species and for medical research on animals .5.The nucleus of sheep B .6.Some governmen
18、ts will permit research into human cloning with aim of medical aid .7.Cloning , copy ; two , major ; problems ; effect ; forbidden .8.D 9.A 10.C 11.D 12.C 13.D 14.C15.First, the cloned animals have the same illness of old animals and the same goes with the other species . Second, the cloned animals
19、have a short life and cause moral questions . 16.（1）People may want to clone themselves so they can live forever . (2) People may want to clone dead children . (3) People may want to clone their favourite pets .17.I dont think we should , for it may cause many moral problems .【当堂检测】(1)a way of (2)while (3)to undertake (4)paid off (5)The fact (6)develop normally (7)came (8)were cast down (9)half the length (10)raised a storm 版权所有：高考资源网()