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高二英语人教选修unitCloningReading第1页/共21页How much do you know about cloning?Quiz:第2页/共21页What's clone?Cloning is a way of making an exact copy of another animal or plant. It can be divided into natural clone and man-made clone. A natural clone is one that occurs in nature and a man-made clone is one that is procured through human intervention(介入，干预).Are the following clones the same? If not, what is the difference?第3页/共21页NO. The first two are man-made clones, the rest two are natural clones.第4页/共21页2001 cloning cattle第5页/共21页2002 cloning cats第6页/共21页2005 cloning dogs第7页/共21页ReadingCloning:Where is it Leading us?第8页/共21页Skimming2___Cloning has two major uses and successful clone.___(definition) Cloning is a way of making an exact copy of another animal and plant ___The effect of Dolly.___Peo