高中英语 unit3 science versus nature-welcome课件 牛津译林版必修5 课件VIP免费

VSVersusScience Nature‘versus’ is usually used when discussing sports competitions or the law, which means that two teams or sides are against each other. This is an elephant versus another one.Why is ‘versus’ used here?Do you think there is conflict between science and nature?What might the conflict be? Dolly was the first cloned mammal created by a Scottish scientist and his group in 1996.Dolly was exactly the same as her mother, in appearance and in genes. This new technology is called ‘cloning’, which produces an exact copy of an animal or a plant from its own cells. Think about the relationship between the title of the unit Science versus nature and cloning technology. The mule in the picture is the world’s first cloned mule. It was born on 4 May 2003. His name is Idaho Gem and his brother, Taz, was a racing mule that has won many competitions. The kitten in the picture is called Cc. Its name is from ‘Copycat’. Scientists in the USA created it with a cell taken from its mother, Rainbow. It was born in December 2002. Just call me Noel, OK?I’ m Angel, in your heartI’m your Star. Love me please.Hi! I’m Joy. I’m happy-go-lucky everyday.I’m the beautiful Mary The pair of calves were born on 5 July 1998 in Ishikawa, Japan. They were two years younger than Dolly, being the second adult animal clones in the world. The name of the cloned monkey is ANDi. It is from ‘inserted DNA’ spelt backwards. It is the first genetically modified monkey. The technology is different from that used for Dolly. Form groups of four or six to discuss the further questions: 1. From just these pictures, can you identify the differences between the cloned animals and normal ones? 2. In your opinion, what might be the differences between these cloned animals and normal ones? Can these animals lead a normal life as normal animals? 3. Ask several groups to report their answers to the class. Allow different opinions and encourage further discussion. Hold a debate about whether it would be a good idea to clone humans some day. anti-cloning views pro-cloning views VS Homework Surf the Internet or refer to other sources for further information relevant to cloning technology, so as to finish the first two questions below the pictures. Make as many notes as possible.