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视频标签：Cloning
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 warming up Reading湖北省优课
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人教版高中英语选修八选修8 Unit 2 Cloning warming up Reading湖北省优课
Unit 2 Cloning
I.Teaching material: 选修8 Unit 2 Cloning warming up& Reading II.Teaching aims: 1.Knowledge aims:
Vocabulary: differ, exact, cutting, twin, identical, commercial, straightforward, complicated, undertake, breakthrough, procedure, nucleus, somatic, embryo, carrier, cast, altogether, arbitrary, fate, correction, object, objection, impact, medium, obtain, attain, moral, conservative, forbid, accumulate, pay off, cast down, the medium, in favor of
Sentences structures: It is a way of… The fact is that…
The question that occurred is…
2.Ability aims: Enable students to describe cloning: What is cloning? What is the advantage about cloning? What are the problems or danger of cloning? Is it necessary to clone dodo birds?
3.Emotion aims: 1) Let students try to work together and communicate with others. 2) Enable them find the advantages and dangers of cloning. III.Teaching key points and difficulty
1. How to describe cloning.
2. Help students analyze the writing technique of the article. IV.Teaching procedures Step1.Warming-up
At the beginning of the class, there will be a conversation between students. T:How much do you know about cloning?What will you think of cloning? Ss:....
T:We divide clone into two parts: natural clone&man-made clone.Cloning is a way of making an exact copy of another animal or plant.
Step2. Reading 1.Pre-reading
1) Ask students to look at the pictures on the book, and discuss which ones are natural clone and which ones are man-made clones.
2) After their answering,show a short video about Dolly the sheep.
3) Ask students to have a quick look at the title “Cloning: where is it leading us?”and predict what the article is about. 2.While-reading
1.Ask students to read the text for the second time carefully and then find out the main idea of paragraph. Match the following statements. Para1. The Definition of cloning Para2. Cloning has two major uses.
Para3& Para4. The progress and impact of Dolly. Para5. The future of human cloning
2. Then talk about each paragraph and answer related questions.
3.Post-reading
1. the The writer’s attitude towards cloning A. Objective (be fair) / Neutral B. Negative (be against it) C. Positive (be in favor of it) 2. What is the writing style? A. Expositive (说明文) B. Descriptive (描写文) C. Argumentative (议论文) D. Narrative (记叙文)
Step3. Discussion After students’ reading, let them do group-work in a group of four. 1.Look at these pictures below and imagine what you can do if these situations happen to you?
2.Then discuss: Cloning people is a good thing or a bad thing? What is your opinion of cloning? Give a reason.
3.Summary: In conclusion, cloning is a study in biotechnology that has unlimited possibilities. There are benefits such as cures for diseases and disadvantages such as not perfecting the technique of cloning. Despite this fact, cloning will be an ongoing process and will be tested. Hopefully cloning will not be a downfall to human history but rather a step closer to a better society. Step4. Homework
Write a composition based on what you discussed just now.
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