人教版高中英语选修8《Unit 2 Cloning》教案【一】
教学目标
一、 语言知识目标
初步理解、掌握课文中关于克隆的词汇，学习分析课文中的长难句子。
二、 阅读技能目标
1. 能获取和处理文章中的主要信息。
2. 能够掌握文中出现的重要的语言知识
三、 学习策略目标
掌握速读、略读、猜测词义等阅读策略。
四、 情感态度目标
让学生认识到克隆的利和弊。
五、 文化意识目标
了解克隆，正确地利用克隆技术来为人类服务。
教学重难点
初步理解、掌握课文中关于克隆的词汇，学习分析课文中的长难句子。
教学过程
Step 1 Daily report
One student comes to the front and gives a report about advantages and disadvantages of science and technology.
Step 2 leading-in
The teacher shows some pictures and starts a discussion about cloning.
Step 3 Skimming
Task 1: What’s the main idea of the passag兰花怎么养殖方法和注意事项
e?
Task 2: Match the main idea with each paragraph
Para 1: A. People’s attitude towards cloning.
Para 2: B. The problems of Dolly.
Para 3: C. The impact of Dolly.
Para 4: D. Two major us and the procedure of cloning.
Para 5: E. The definition(定义)of cloning.
Step 4 Scanning
Task 1. Look through Para 2 and answer the following questions.
(1) What are the two major us of cloning?
(2) Which one is easier, to make plant clones or animal clones?
Task 2. Look through Para 3 and fill in the chart.
Task 3. Do the following translation and word guessing.
(1). Translation:
On the other hand, Dolly’s appearance raid a storm of objections and had a great impact on the media and public imagination.
(2). The word “controversial” in paragraph 4 probably means_________.
A. complicated B. arguable
C. important D. valuable
Task4. Do the following Tor F questions bad on Paragraph 5.
1. People feared some evil leaders might u cloning to reach their goal.
2. All the rearch into cloning will be forbidden.
3. Religious leaders are in favor of human cloning.
Step 5 Enjoy beautiful ntences
1. Cloning plants is straightforward while cloning animals is very complicated.
2. At last the determination and patience of the scientists paid off.
3. The fact that she emed to develop normally was very encouraging.
Step 6 Question and answer
This part is for students to find if they still have questions. If there is any, they can ask their classmates to help them.
Step 7 Quiz
Note: This part is very challenging. In the picture there are five numbers. Students can choo their lucky number and answer questions. Most of the questions are bad on what they have learned in class.
Step 8. Test yourlf
Fill in the blank with proper words.
Cloning is a way of _______ (make) an exact copy of another animal or plant. It has two major us. One is _______ gardeners u it to produce plants. The ______ is that it is valuable for medical rearch on animals. ________, the process of cloning is difficult ___________ (undertake).
The first successful clone, Dolly the sheep, made the whole _________ (science) world follow its progress, though it had ________ problems than the normal sheep. On the other hand, Dolly’s appearance _______ (rai) a storm of objections and had a great impact ______ the media and public imagination. Different people have different opinions on it. However, scientists still wonder ______ cloning will help or harm us and where it is leading us.
Step 9 Debate
Topic: Are you for or against cloning?
课后小结
Homework
Write a passage entitled My view on cloning.
课后习题
评测练习主要有两个。
一是quiz 环节：
主要有5个问题：
1. Listen to a part of an English song and try to learn from it.
2. Plea u “pay off” to make a ntence.
3.Give us some detailed information about Dolly.
4. Translate the following ntence into English.
