山东省泰安市肥城市第三中学高中英语 Unit2 Cloning reading1理解学案 新人教版选修8 (1).doc

山东省泰安市肥城市第三中学高中英语 unit2 cloning reading1理解学案 新人教版选修8 【学习目标】1. 使用适当的阅读方法与技能, 把握课文内容并获取信息，处理信息。2. 了解有关克隆的知识和意义，以便解决医学上的难题，更好地为人类服务。【学习重点，难点】帮助学生了解有关克隆的知识和意义，以便解决医学上的难题，更好地为人类服务。【课型】新授课【回顾预习】1、read the new words for three times and go through the text.2、prepare the class report: what do you know about cloning?【新知识学习】step 1. class report:step 2. self-learning（自主学习)warming up: how much do you know about cloning? decide “true” or “false”: 1. cloning means making an exact copy of another 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 clones happen in animals as well as in plants. ( ) skimming:1. what is the writing style?a. expositive （说明性的） b. descriptive c. argumentative（议论性的） d. narrative(叙事)2. 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 cloning is well developed because dolly the sheep was born. d. animal cloning raised arguments and scientists are not sure about its future.detailed reading:paragraph 1:what is the main idea of this paragraph?cloning is paragraph 2 : 1. what is the topic sentence of this paragraph? _2. what is the meaning of the word straightforward?_3. when was the cloning of dolly the sheep born?_4. the cloning of dolly the sheep succeeded because _a. its easier to clone a sheep than other animalsb. the scientists were determined and worked hard with patiencec. the scientists were rewarded and got lots of moneyd. many other attempts to clone mammals failed paragraph 3:1. what does the paragraph mainly want to tell us? the _ of dolly.2. it can be inferred from the passage that a cloned animal_a. usually lives as long as the original oneb. usually lives longer than the original onec. usually lives shorter than the original oned. is usually as healthy as the original oneparagraph 4:1. the sheep that donated the somatic cell most probably lived _ years. a. 3 b. 6 c. 9 d. 122. the word “controversial” in para 4 probably means _. a. complicated b. arguable c. importantparagraph 5:different responses to human cloning1. _were dying to attain their ambitions.2. _were anxious it may bring about moral questions.3. _were nervous and conservative.4. _cant decide whether it is beneficial to us.from this paragraph we can see that some people _ the human cloning while others_ it.step 3.discussion and presentation 小组讨论自主学习中的问题，并进行展示和点评,点评过程中要注意补充和质疑。【当堂达标】consolidationclone is a way of making an exact _ of another animal or plant. cloning has two _ uses. firstly, gardeners use it all the time to produce _quantities. secondly, it is valuable for research on new plant _and for medical research on animals. but through the _and death of dolly, cloning has a lot of problems. on the other hand, we know cloning is controversial in some countries for _and _reasons.【总结提升】discussion ：problems and advantages of cloningsome useful expressions: produce commercial quantities of ；moral questions/objection；develop illnesses； endangered species；provide organs(器官) for transplantation ；provide treatments 【当堂小结】总结本节课所学内容，并表扬表现好的小组。【homework】1. write a passage about problems and advantages of cloning2. surf the internet to find out more information about cloning. 答案:t t f t ta dcloning is a way of making an exact copy of another animal or plant.1.cloning has two major uses.2.simple 3.in 1996.4. b1. problems2.c1. d2.b1