Using LanguageⅡ课时教学实录

Unit2 Cloning Using language Teaching aims: 1.Read the text and think about some questionts on cloning dinosaurs. 2.Master some words and phrases in the text. Teaching procedures: Step1 Warming up Answer the following questions 1.Have you ever seen the film Jurassic Park? Do people like this film? What animals do people see in the film? Are they real dinosaurs? Show some pictures about dinosaurs 2.Do you like dinosaurs? Can you see them in the real life? Why? 3.Do you think it is possible to clone dinosaurs? If not why? If yes, do you think that’s good for human beings?Why? Step2 Reading Read the text quickly to get the writer’s opinion. Read the text carefullyand answer the questions:

Why is the film Jurassic Park popular? What can we infer from the text? Why is it either impossible or unsuitable to cloning extinct animals? Read the text again and carefully to find: The advantage of diversity and the disadvantage of diversity Step3 Language points Translate some sentences: 1.From tome to time people suggest that extinct animals like dinosaurs,can possibly be brought back to life through cloning. From tome to time 不时；偶尔

2.All efforts of cloning an animal will be in vain if there is not enough diversity in the group to overcome illnesses. In vain 白费力气；枉费心机

Step4 Homework After the class,read the text again and master the new words and phrases in the text.