Using LanguageⅡ教学设计及教案分析

Unit2

Cloning Using language 1. Teaching aims

Knowledge aims:

To know what is cloning, its benefits, problems, possible dangers as well as arguments and attitudes aroused by cloning

Ability aims:

1. To develop Ss’ different reading skills especially scanning for key words 2. To develop Ss micro reading skill—word guessing 3. Build up Ss’ confidence in speaking in English Emotion aims:

To be aware that the significance of cloning is to break medical limitation so as to benefit human beings 2. Teaching key point and difficult point Teaching key points:

1. The definition of cloning and its benefits and drawbacks

2. Developing students’ different reading skills especially scanning for key words Teaching difficult points:

1. Method of word guessing 2. To analyze the structure of an exposition 3. Teaching and learning approach

1. Task-based teaching approach

2. Student-centered teaching approach

3. Communicating and cooperating learning approaches 4. Teaching aids

a projector and some slides.

5. Teaching procedures

Step I Lead-in Lead in the topic by watching a video and ask students what is the video about. Step II Pre-reading

1). Predict what the passage is about according to the title 2). Let’s enjoy some pictures about dinosaurs. Step III While-reading 1.Fast Reading 1).

Match the main idea with each paragraph Para. 1 introduce the topic of the passage Para. 2 explain the impossibility of cloning dinosaurs Para. 3 introduce the topic of the passage 2)The writer of the text_____

A. is excited by the possibility of cloning fierce and extinct animals

B. believes that extinct animals can be brought back to life by cloning C. thinks it impossible or unsuitable to clone extinct animals like dinosaurs

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D. dreams of dinosaurs returning to the earth 3)What is the writer’s attitude towards cloning the dinosaurs? A. Supportive.

B. Neutral (中立的).

C. Negative (否定的).

D. Subjective(主观的) 2.Careful reading Part 1

choose the best answers 1. The film Jurassic Park is popular because _______ . A. people are interested in the subject of cloning B. all the actors are dinosaurs C. it was directed by a scientist who clones dinosaurs D. it proves very interesting 2. Which of the following is true?

A. Mice were cloned in 1981.

B. Dolly the sheep was the first cloned animal.

C. The name of the cloned cow is “Bison”. D. China was successful in cloning mammals.

Part2 Fill in the blanks according to the passage. 1. ___.for its impossibility Perfect

________ is needed. There is not enough ________ in the group. A (n) ________ would be needed for the cloned extinct animals. 2.

Find out the advantages and disadvantages of the diversity in a group of cloned animals Advantage of diversity: If there is a new illness some of these animals

may die ,but others will survive and passed on the ability to resist that disease to the next generation. Disadvantage of diversity:They would all have the same arrangement of genes and so they might all die of the same disease. Part3 Conclusion The chance of dinosaurs returning to the earth is

______________ Step IV Post reading

3) Discussion

In pairs discuss which extinct animals are worth restoring by means of cloning. Useful expressions: As far as I am concerned……

The reason is that…. From my point of view…

My view is that…. Step V Summary

Whether the dinosaurs should be cloned? ①The introduction

②The reasons for the impossibility of cloning dinosaurs

③The conclusion Homework 第

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1.Write a composition about whether the dinosaurs should be cloned and hand in tomorrow. 2.Summarize this unit. 3.Finish Ex. 1 Page16; Teaching reflection: 1.

Teacher should give students more time to read the passage thoroughly. 2.

Teacher should give students more time to discuss and organize their own ideas clearly as well as give them enough guidance.

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