新课标人教选修八BookUnitUsinglanguagePPT学习教案

1、会计学1Answer the following questions:1.Have you ever seen the film Jurassic Park? Do people like this film? What animals do you see in the film? Are they real dinosaurs? Warming up ( 4ms )第1页/共19页第2页/共19页 Do you think it is possible to clone dinosaurs? If not,why? If yes, do you think thats good for h

2、uman beings? Why?第3页/共19页第4页/共19页细枝末节细枝末节A第5页/共19页第6页/共19页第7页/共19页第8页/共19页Answer the following questions: 1. Why shouldnt you clone an extinct animal if there isnt enough diversity in the group? 2.Why is it wrong to clone an extinct animal if it would have to live in a zoo? 第9页/共19页1. Why shouldnt y

3、ou clone an extinct animal if there isnt enough diversity in the group? Keys: There will not be enough genetic variation in the group to be able to resist new illnesses. 第10页/共19页2. Why is it wrong to clone an extinct animal if it would have to live in a zoo? It is not a good idea to clone an animal

4、 that would have to live in a zoo because it is not a suitable habitat to develop and increase its numbers. The zoo is not a natural environment for a wild animal.第11页/共19页Give some reasons why it is either impossible or unsuitable to clone extinct animalsReason 1:Reason 2:Reason 3:You need All effo

5、rts of cloning an animal will be if there is not enough in this group to It would be to clone any extinct animals if they live in a zoo.perfect DNAin vaindiversityovercome illnessesunfairwere to第12页/共19页proves how the idea struck a mixture of fear and excitement into peoples heart.非限制性定语从句非限制性定语从句fi

6、lms宾语从句宾语从句provestruck fear into the people of the tsunami-hit countries第13页/共19页From time to timebrought back to life不时，偶尔不时，偶尔occasionallynow and thenHe becomes quite unreasonable from time to time. They quarrel from time to time.第14页/共19页All efforts of cloning an animal will be in vainin vainAll

7、attempts to rescue the boy with cancer were in vain.群体的多样性是指这群动物的基因要以不同的方式排列群体的多样性是指这群动物的基因要以不同的方式排列作定语作定语以不同的方式以不同的方式第15页/共19页pass on the ability to resist that disease to the next generation 抵抗抵抗对抗对抗 I cannot resist chocolate. They decided to stay and resist the enemy.第16页/共19页Based on what we kno

8、w now,base onBased on what I know, he attended school for no more than three years. 第17页/共19页The little boy struck the fear in the earthquake into his heart .All our efforts were in vain, which made us cast down.It is reported that the official couldnt resist the temptation of the money and was sentenced because of the guilty of bribery Based on what I know, the residents keep