Using LanguageⅡPPT专用课堂实录内容

Unit 2 Using Language教学设计

The return of the dinosaurs ? Ⅰ.Teaching aims 1.

To know some new words and phrases: initial; drawback; resist; merely; extinct; strike...into one’s heart; from time to time; bring back to life; in vain 2.

To learn the impossibility that extinct dinosaurs will be brought back to life as a clone. 3.

To cultivate the Ss’awareness of protecting animals, and to live in harmony with nature. 4.

To improve the Ss’reading ability. Ⅱ.Important and different points 1.

To understand why it is impossible to clone some extinct animals like dinosaurs. 2.

To cultivate the Ss’awareness of protecting animals, and to live in harmony with nature.

Ⅲ. Reading procedures Step1. Lead-in

Q: Do you still remember Dolly the sheep?(showing a picture of Dolly the sheep and some information about it.) Step 2. Pre-reading (showing some pictures about the film, Jurassic Park and tell something about dinosaurs in the film.) Q: In fact, do you think there is any possibility that scientists brought extinct dinosaurs back to life as a clone? Why or why not? Step3. Listening and scanning 1.

Listen to a tap as you scan the passage and then finish the part. Match the main idea of each paragraph. Para1

a. explain the impossibility of cloning dinosaurs

Para2

b. conclude that it’s just a dream Para3

c. introduce the topic of the passage

2.

Fast reading: True or false (1).Scientists are still experimenting with cloning mammals because they think it can make money. (

) (2). There is not enough diversity for cloned animals to overcome new diseases.(

) (3). If we can clone any extinct animals, we should let them live in the zoo.(

) 3. Careful reading (A): choose the best answer. (1)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

D. dreams of dinosaurs returning to the earth (2). 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 (3). The reasons why a group of cloned animals all die of the same illness do NOT include__.

A. they have the same arrangement of genes

B. there isn’t enough diversity in the group for it to overcome illnesses C. the illness is a new one D. their arrangement of genes can not resist that new disease (4). We 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 year Careful reading(B): Give some reasons why it is either impossible or unsuitable to clone extinct animals like dinosaurs. Reason 1: _______________is hard to obtain. Reason 2: All the cloned animals have _________ arrangement of genes so that there is not enough _________ in the group to overcome difficulties, which means they might die of _________illness. Reason 3: A lack of_______________. Step4. Discussion Are you in favor of cloning extinct animals?

Step5. Conclusion (showing some pictures of those animals that have been extinct.) Human beings and animals are both living in the world. However, some animals disappearing,so we should take some measures to protect animals, especially endangered animals. Protecting the endangered animals is protecting the diversity of animals, which means protecting human beings

ourselves. In a word, we should live in harmony with nature. Ⅳ. Blackboard design

Unit 2 Using Language

The return of the dinosaurs ? 1. words and phrases: initial; drawback; resist; merely; extinct; strike...into one’s heart; from time to time; bring back to life; in vain Ⅴ.Teaching reflection

本节课从上节课所学的多利羊的克隆导入，

引出恐龙的克隆，并针对其克隆的可行性发问。设计的问题由易到难，由浅入深，较为合理。在实际操作中，首先第一步中听录音之前，如果先跟学生一起看下题意，听和读的目的性会强些；其次，讨论环节最好多留些时间让学生写几句观点，然后跟同学分享一下既可以锻炼书写能力，又可以锻炼口语表达能力。