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选修8_unit2_b8u2_readingcloning4ufan
What did naruto do? Among the pictures which are the natural clones and which are the man-made ones? Dolly the sheep Listen and answer the questions 1. How long did Dolly the sheep live? 2. Why did she only have half the length of the original sheep? 3. Did the same arbitrary(uncontrolled) fate affect other cloned species? Though cloning(especially mammals) is a very hard, why people still work on it? What or who do you want to clone? Why? Cloning is _____________________ of another animal or plant. Cloning has ___________________. One is for __________________;the other is _________ Although __________ is complicated Dolly the sheep is ________________. Before long, she _____________ and only __________________________. However, her appearance ____________________ and arguments .Some countries became __________________________. Therefore, __________________________ is forbidden. Nobody knows ____________________. Retell the text a way of making an exact copy two major uses commercial purpose cloning animals a breakthrough lived half of the original one raised a storm of objections nervous and conservative research into human cloning where cloning is leading us got seriously ill for research
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