BOOK8Unit2UsingLanguage.ppt

What’s your opinion of cloning\cloning human beings? DiscussionWriting for or against cloning Recently a heated discussion has been held in our class about whether you are for or against cloning . However, opinions differ from person to person. Those who are in favor of cloning hold the view that cloning is a good thing. The reasons are as follows. Firstly, Secondly, Finally, However, the percentage of the students who are against cloning is very large ……… Altogether, as long as we use cloning properly ,it will serve us and benefit us a lot.Gardeners can use cloning to produce commercial quantities of plants to make high profits .It’s valuable for research on new plant species and for medical research on animals.Humans can also use it to cure serious illnesses.Please enjoy some pictures Please enjoy some pictures about dinosaurs. about dinosaurs. 霸王龙霸王龙tyrannosaurus剑龙剑龙stegosaurs三角龙三角龙triceratops雷龙雷龙 brontosaurus翼龙翼龙pterodactylLook at the following pictures and Look at the following pictures and think which film they are from ?think which film they are from ?Jurassic ParkGet the main idea of each paragraph.Para1 _______tionPara2 _______tionPara3 _______sionSkimming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 cloningC. thinks it impossible or unsuitable to clone extinct animals like dinosaurs D. dreams of dinosaurs returning to the earthGeneral ideaWhat is the writer’s attitude towards cloning the dinosaurs? A. Supportive. B. Neutral (中立的中立的). C. Negative (否定的否定的). D. Subjective(主观的主观的).objective客观的客观的, positive肯定的肯定的 Negative否定的否定的arbitrary武断的武断的 optimistic乐观的乐观的 pessimistic悲观的悲观的critical持批评态度的持批评态度的 cautious谨慎的谨慎的 indifferent冷漠的冷漠的sceptical怀疑的怀疑的 … 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 interestingDetailed readingRead carefully, thenChoose the correct answer细枝末节细枝末节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.02:35:30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 disease02:35:304. We can infer from the text that____ A. scientists are experimenting to clone dinosaursB. dinosaurs will never return to the earthC. cloned animals will only live in the zooD. the DNA of dinosaurs can only survive 10 000 year推理判断推理判断Synonyms同义词同义词(1)It proves how the idea struck a mixture of fear and excitement into people’s heart .A. have sth on the brain B. confusedC. proved people crazy D. scared2.From time to time people suggest that extinct animal…A. There was a time when B. OccasionallyC. All the time D. Each time3. People suggest that dinosaurs, can Possibly be brought back to life.A.Kept up B. resistC. Most difficult D. relieved 4. The initial requirement is that will be vain if There is not enough diversity .A.most thankful B. most pressingC. Most difficult D. most needed 5. All efforts of cloning an animal will be in vain If there is not enough diversity .A.go to waste B. useless C. helpless D. meaningless 6.Others will pass on the ability to resist that disease .A.oppose B. slide C. hire D. indicate7. The chance of dinosaurs ever returning to the earth is merely a dream .A. oppose B. surely C. abruptly D. miserablyWhy can't the dinosaurs return to the earth?nWe don’t have perfect DNA.nTheir genes arrangements are the same. And they might die of the same illness.nThey don’t have a natural habitat. Consolidation From time to time people suggest that extinctanimals can possibly be brought back to life through cloning .Unfortunately ,with what we know now ,this is either impossible or unsuitable . The reasons are as follows .Firstly :Secondly:Finally : Based on what know now ,you cannot clone animals that have been extinct longer than 10,000 years .So the chance of ______ ever returning to the earth is merely a dream .Writinghomework•Finish your writing after class .。