人教版高中英语选修8
Warming up and Reading
Ⅰ.Learning aims
1.Learn the new words and phrase about Cloning in this unit;
2.Improve the reading skills by reading the two passages of this unit and doing some comprehensive problems;
3.Go over and sum up the usages and forms of the Appositive. Ⅱ.Learning emphasis
1.Learn the vocabulary and sentences in this unit; 2.Improve the comprehensive reading skills. Ⅲ.Learning difficulties
1.Master the skills of writing an argument;
2.Improve the skills of judging the infinitive problems correctly. Step 1. Preparing lessons &self-study and exploring the problems Task 1. Warming up
Talk about the following questions: 1. What is a clone? 2. How is a clone produced?
3. What benefits can humans gain from cloning? 4. What problems may arise when humans are cloned? 5. Should we clone human?
Step 2. Finishing plan & asking questions
Task 2. Read the passage quickly and finish the following comprehensive exercises: Choose the right answer according to the text. 1.Dolly the sheep_____.
A. looked exactly like the sheep that provides the egg. B. was the exact copy of the sheep that provides the nucleus. C. looked like the sheep that gave birth to it. D. had the characteristics of all three sheep.
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人教版高中英语选修8
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 lives longer than the original one D. is usually as healthy as the original one
Step 3. Researching cooperatively& answering questions
Task 3. Read the passage again, then try to find the main idea of each paragraph. Step 4. Summing &chewing, summarizing knowledge
Task 4. Get the students to find the following sentences in the passage and learn the usages of them.
Step 5. Testing in class & improving skills
Task 5. Ask the Ss to finish the comprehensive exercises (1—3) at Page 12 in the book. Step 6. Assessment & Homework
Task 1. Ask the students to finish Exs 1—3 at Page 12.
Task 2. Get the students to underline all the new words and phrases in the passage.
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