The return of the dinosaurs导学案_外语学习-英语读物.pdf

学习必备 欢迎下载 Unit2 Using language The return of the dinosaurs导学案 Step 1.Watch some pictures and a video.Step2.Reading Listening to the text and find the main idea of the text and each paragraph.Main idea of the text: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 Match the main idea with each paragraph:Para1 A.explain the impossibility of cloning dinosaurs Para2 B.conclude that its just a dream Para3 C.introduce the topic of the passage Step 3.Skimming Read fast,and then tell me its true or false.1.Scientists are still experimenting with cloning mammals because they think it can make money.2.The animals that have disappeared from the earth,like dinosaurs,can be brought back to life through cloning.3.If we can clone any extinct animals,we should let them live in a zoo.Step 4.Detailed reading Read carefully,and then chooses the correct answer.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.Cow gave birth to a bison in 2000.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.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 isnt 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 学习必备 欢迎下载 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 Step 5 Consolidation Why cant the dinosaurs return to the earth?(List 3 reasons)Step 6 Discussing and writing:Which to clone?Why?(P16)Useful structure:Raise an opinion:I d like to clone_.We would choose to restore_.is the most suitable animal to be brought back to life.State the reasons:There are two reasons.First,The reasons are as follows.Firstly,Draw a conclusion:All in all,we i nsist that Based on the reasons above,it would be best to Step 7 Homework:Finish the writing after the class.Then hand it in tomorrow morning.