大学体验英语三（综合教程）Unit 4Cloning and EthicsListen and TalkLead inThe news that a sheep in Scotland has been successfully cloned 1) ; . What good would it be to clone humans? What would I do with a clone of myself? Then 2) that I could have my clone go into work for me while I went out hiking, biking, skiing, etc.! I really could be in two places at once. But wait a minute. If thats what I would do with my clone, how do I know that Im not a clone myself? What if the 3) had himself
