外研社Book6 module5 Cloning reading practice赛课课件(20PPT).ppt

Module 5 Cloning Reading Practice Reading Practice Jurassic Park — Scientific Fact or Hollywood Fiction? Activity 1: Study the title and predict what the passage is about. The passage is about___________. A. the story of the film Jurassic Park B. the scientific truth behind dinosaurs cloning in Jurassic Park C. the principles of DNA and cloning D. why dinosaurs died out scientific Activity 2：Skim the whole passage and figure out the structure. Arguments Background of the topic Conclusion (Para1) (Para 2 — 5) (Para 6) Part One Part Two Part Three Hammond has created living dinosaurs by cloning DNA taken from prehistoric mosquitoes. Activity 3：Read Part 1 and describe how Hammond cloned dinosaurs. The supporting sentence: Para.1 Line 6 pre + historic Activity 4 : Read Part 2 and list the four arguments. Argument one:_____________________ Argument two:_____________________ Argument three:____________________ Argument four:_____________________ Argument one: DNA taken from mosquitoes can only be 40 million years old, so Activity 4 : Read Part 2 and list the four arguments. DNA that has been taken from a preserved mosquito can’t exist . keep, maintain, reserve ____________________________________________________________ ____ Activity 4 : Read Part 2 and list the four arguments. Argument two: Although preserved mosquitoes have been found, ____________________. A. female mosquitoes cannot absorb DNA B. it’s not possible to confirm that the DNA they contain is from a dinosaur. C. no dinosaur DNA from an earlier period has been discovered D. DNA breaks down after a long period of time take in damage, dissolve, fall apart prove, make sure Activity 4 : Read Part 2 and list the four arguments. Argument Three:___________________. a. When dinosaurs died out, their DNA would be intact after the long period of time. b. When dinosaurs extinct, their DNA breaks down and does not repair itself. complete Activity 4 : Read Part 2 and list the four arguments.