Using LanguageⅡ名师教学设计2

玉燕中学电子文档教案

Book 8 Unit 2 Cloning(Using Language)

Teaching materials Teaching goals Using Language of Book 8 1. Help students to improve their reading ability;

2. Help students to express their own opinions and write a debating passage.

Teaching important points Teaching methods Teaching aids Teaching procedures Step 1:Greeting Greet the whole class as usual. Step 2:Warming-up and Leading-in 1. Show the students some pictures about dinosaurs. 2. Ask the students to talk about whether it is possible for the scientists to clone a dinosaur. 3. Lead the topic of “The return of the dinosaurs” in. Step 3: Reading 1. Fast-reading Skim the text and match the main idea with each paragraph. Para.1

A. The chances of dinosaurs ever returning to the earth is merely a dream. Para.2

B. Scientists are still experimenting with cloning mammals. Para.3

C. There are many reasons why we can’t bring dinosaurs back to like through cloning.

2. Careful Reading (1)Choose the best answers 1The 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 D. dreams of dinosaurs returning to the earth 2The film Jurassic Park is popular because_________. ○A. people are interested in the subject of cloning fierce and extinct wild animals B. all the actors are dinosaurs C. it was directed by a scientist who cloned dinosaurs D. it proves very interesting 3The reason why a group of cloned animals all die of the same illness do NOT include_________. ○

1 Help students to learn how to give reasons and debate. Skimming method, Task-based method, Discussing method A projector, a computer and a blackboard

玉燕中学电子文档教案

A. they have the same arrangement of genes B. there isn’t enough diversity in the group for them to overcome illnesses C. the illness is a new one D. their arrangement of genes cannot resist that new disease 4We can infer from the text that_________.

○A. scientists are experimenting to clone dinosaurs B. dinosaurs will never return to the earth C. cloned animals will only live in the zoo D. the DNA of dinosaurs can only survive 10,000 years 5What is the author’s attitude in this text? ○A. subjective

B. positive

C. favorable

D. objective Suggested answers:

CACBD

(2)Answer the following questions: 1Why shouldn’t you clone an extinct animal if there isn’t enough diversity in the group?

○2Why is it wrong to clone an extinct animal if it would have to live in a zoo?

○3Why can’t you clone the DNA of animals that have been extinct longer than 10,000 years?

○Suggested answer:

1There will not be enough genetic variation in the group to be able to resist new illnesses. ○2It is not a good idea to clone an animal that would have to live in a zoo because it is not a suitable habitat ○to develop and increase its numbers. The zoo is not a natural environment for a wild animal. 3The DNA of animals more than 10,000 years old is not suitable for cloning, for it can’t survive so long. ○(3)Complete the following chart ____○1_____for its impossibility

•perfect___○2___is needed. •There is not enough___○3___in the group.

•A(n)___○4___ would be needed for the cloned extinct animals.

_____○5_____

The chance of dinosaurs returning to the earth is____○6____.

4suitable habitat

○5Conclusion

○6merely a dream

○Suggested answer:

○1Reasons

○2DNA

○3diversity

Step 4：Discussion Ask the students to discuss whether we should clone human beings and encourage them to express their own ideas. Step 5：Writing Ask the students to write a short passage about whether we should clone human beings based on their discussion. Step 6：Homework Surf the Internet and find more knowledge about cloning.

2