人教新课标版高二选修8Unit2-Cloning-reading-.pptx

Pre-readingIn pairs discuss what you understand about clothing.Then list the questions you want to find out.Share your lists with one another.1.How is a clone produced?2.What benefits can humans gain from cloning?3.What problems may arise when humans are cloned?4.Should we clone human?5.Could cloning replace sex as the means of creating new human life?6.Could a parent clone a child who is dying of a terminal illness?Fast ReadingPlease read the reading in 3minuts to Please read the reading in 3minuts to get main idea.get main idea.主旨大意主旨大意1.The main idea of the text is_ A.animal cloning is very valuable and can benefit the world.B.animal cloning could be misused by bad people so it must be forbiddenPlease read the reading again,and then in groups,finish the following exercises.1.Blank fillingCloning Is a _ of making an exact _ of another animal and plant.The _ clonesRefer to gardeners taking _ from plants to make new ones,pats of a plant taken and grown in a laboratory,and twins _in sex and appearance produced from the same _ egg.waycopyNatural cuttingsOriginal identicalConing Has _major usesto produce _quantities of plants and do research on new plants species and _research on animals.Cloning animalsHas a more _procedure than cloning plantsThe cloning of Dolly the sheepIs the first _clone,and encourages the scientific world to follow the _2commercialmedicalcomplicatedsuccessfulprogress2.Which of the following statements about cloning is NOT true according to text?_ A.Cloning is something that has been developed quite recently.B.B.Twins that look exactly the same are originally from the same egg.C.Cloning is used by gardeners to make more money.D.Animal cloning is much more difficult than plant cloning.ADollyLived for _years altogether and successfully gave a birth to a _Dollys _Raised a storm of _and had a great impact on the media and public _The eyes of the world Were opened to the _of using clinging to cure serious illnesses and even producing human_6lambobjectionappearanceimaginationPossibility beings3.The cloning of Dolly the sheep succeeded because_.A.its easier to clone a sheep than other animals B.the scientists were determined and worked hard with patience3.The cloning of Dolly the sheep succeeded because_.A.its easier to clone a sheep than other animals B.the scientists were determined and worked hard with patienceC.the scientists were rewarded and got lots of moneyD.many other attempts to clone mammals failedBDiscussion The procedure works of a sheep Discuss it with your group member according to the picture,then give a presentation