高中英语 unit3 science versus naturewelcome课件 牛津译林必修5.ppt

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1、Science Versus NatureWelcome to the unit2021/8/11 星期三1VSVersusScience Natureversus 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 b

2、etween science and nature?What might the conflict be?2021/8/11 星期三2Dolly 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 anim

3、al or a plant from its own cells.2021/8/11 星期三3Think about the relationship between the title of the unit Science versus nature and cloning technology.2021/8/11 星期三4The mule in the picture is the worlds first cloned mule.It was born on 4 May 2003.His name is Idaho Gem and his brother,Taz,was a racin

4、g mule that has won many competitions.2021/8/11 星期三5The 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 2002.2021/8/11 星期三6Just call me Noel,OK?I m Angel,in your heartIm your Star.Love me p

5、lease.Hi!Im Joy.Im happy-go-lucky everyday.Im the beautiful Mary2021/8/11 星期三7The 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.2021/8/11 星期三8The name of the cloned monkey is ANDi.It is from inserted

6、 DNA spelt backwards.It is the first genetically modified monkey.The technology is different from that used for Dolly.2021/8/11 星期三9Form 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

7、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.2021/8/11 星期三10Hold a debate about whethe

8、r it would be a good idea to clone humans some day.anti-cloning views pro-cloning views VS2021/8/11 星期三11Homework 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.2021/8/11 星期三122021/8/11 星期三13