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视频标签：leading us
所属栏目：高中英语优质课视频
视频课题：人教版高中英语选修八选修8 Unit 2 Cloning where is it leading us广东省优课
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人教版高中英语选修八选修8 Unit 2 Cloning where is it leading us广东省优课
Teaching Design
Book8 Unit2 Lesson 2 Cloning---where is it leading us
Teacher Sun Qingchan（孙庆婵）, Gaozhou High School Type A reading period Time 45 minutes
Students Class 21, Senior Grade 2, Gaozhou High School
Analysis of learners
Having accumulated a certain amount of vocabulary, with basic proficiency in reading skills, senior two students in Class 21 should not be content with some direct and easy questions. Instead, they should have the ability to summarize messy information, make accurate guesses based on what they have already learned, understand the author’s attitude, have their own thinking and express their own opinions in English about the topic.
Analysis of the Teaching Material Teaching content The selected reading material is taken from Lesson 2 Cloning---Where Is It Leading Us of unit2, Module8. It provides us with definition and two major uses of cloning, the procedure of the cloning of Dolly the sheep as well as the problems and advantages of cloning. Teaching objectives Knowledge: Ss will be able to describe the definition, major uses, problems and advantages of cloning. Abilities: (1) Ss will be able to comprehend four writing styles: narration, argumentation, exposition and instruction; (2) Ss will be able to use reading skills like scanning to find
detailed information about cloning;
(3) Ss will be able to think and express critically based on provided information. Moral:
Ss will be able to master knowledge about cloning and realize the problems and advantages of cloning.
Important points (1) Ss will be able to master the writing style of the text; (2) Ss will be able to master definition and two major uses of cloning, the procedure of the cloning of Dolly the sheep as well as the problems and advantages of cloning.
(3) Ss will be able to compare and describe the advantages and problems of cloning and express individual opinions about the topic.
Difficult points (1) It’s difficult to understand the procedure of the cloning of Dolly.
(2) It’s difficult to compare and describe the advantages and
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problems of cloning and express individual opinions about the topic.
Teaching method (1) Task-based language teaching method
(2) Learner-centered principles
Teaching aids A computer and multi-media courseware.
Teaching Procedures
Stages Activities Intentions Time Stage1. Lead-in T shows a short video clip to the Ss(selected from the film<The Island>). Then Ss are asked to answer 2 questions: Who are isolated（隔离） from the outside world?
Why do human beings create those people?
-----They are created to provide _________.
to lead in the topic to arouse interest
2mins Stage2. Pre-reading Ss discuss the following questions in pairs: How is a clone produced? What benefits can humans gain from cloning?
What problems may arise when humans are cloned?
prepare for the topic and the later reading
3mins First Reading: Task1: Go through the passage quickly and find out the writing style. What is the writing style? A. Exposition（说明文） B. Narration（记叙文） C. Argumentation（议论文） D. Instruction（指令文） Expositon -----科普文章------- aims to introduce... Narration-------- 小说，故事---- aims to tell a story... Argumentaion---社论，投诉，表达观点-----aims to convince... Instruction-------工具手册，菜谱，说明书----aims to instruct...
To lead the students to pay attention to the writing style while reading and master the characteristics of each writing style. 3mins
3
Stage3.
While-reading
Second Reading: Task2: Cloning--- para1 where is it leading us? Para2 (aims to Introduce para3-5 ? ) A. The problems of Dolly and people's reaction to cloning. B. The definition of cloning.
C. The major uses and procedures of cloning. To guide the students to have an overview of the text and figure out the structure..
5mins
Careful Reading: Task3:Read para1-2 carefully to get some detailed information. True or false: 1.Natural clones only happen in plants. ( ) 2.Gardeners can make a lot of money by cloning plants. ( ) 3.Cloning animals is as complicated as cloning plants. ( ) 4.Many attempts to clone mammals failed..( ) 5.Dolly the sheep was the first successful clone of a mammal ( ) Task4: Read para2 carefully to find out the procedure of the cloning of Dolly. Task5: Read para3-5 carefully to get some detailed information. 1.Which statement is true________?
A.Cloned animals except Dolly can
To enable Ss to practice the reading skill of scanning. To enable Ss to get detailed information about the procedure of the cloning of Dolly. Enable Ss to get
detailed information about problems of cloning and prepare for the later summary.
④To strengthen Ss’ understanding of the problems and
advantages of cloning. Help them summarize the text.
18mins
4
live as long as the original ones. B.All hold a positive attitude towards Dolly's appearance.
C.Whether cloning will help or harm us is not clear yet.
D.China began to forbade research into human cloning.
2.It can be inferred from the passage that a cloned animal___. A.usually lives as long as the original one
B.usually lives longer than the original one
C.usually dies earlier than the original one
D.is usually as healthy as the original one
3. 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.Cloning can help keep animals from becoming extinct.
D.Famous persons who have passed away can be cloned.
4.What is the writer's attitude towards cloning in this passage? A.Objective. B.Negative. C.Positive. D.Unclear.
Task6: Problems and advantages of cloning. Problems Advantages 1.animal clones may develop the ______ of______animals
1.help produce ____________ quantities of plants 2.animal clones may die _______ 2.it is valuable for research on ____________
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3.___________may want to clone
themselves to attain their ambitions
3.cloning could provide
_____________
4.there
are__________to cloning human beings
4.cloning might help save endangered animals
Stage4.
Post-reading
How is a clone produced?
What benefits can humans gain from cloning?
What problems may arise when humans are cloned? Sample:
From the passage, I mainly learn the procedures of the cloning of Dolly, benefits and problems of cloning. Now let me introduce these three points. As for..... firstly.... secondly.....However, cloning has both....and......
To enable students to summarize the passage.
8mins
Stage5: Assignment
Assignment:
Study the important words and expressions in the text with the help of your exercise book and dictionary.
Search for more information about cloning during your coming holiday.
To help Ss get an extension of what have been learned.
1min
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