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本套緊扣六級(jí)考試改革要求， 深入剖析六級(jí)考試新題型， 是集指導(dǎo)、 練習(xí)于一體的特訓(xùn)練習(xí)冊(cè)。分析歷年六級(jí)寫作必考題材，以真題為例，并提供多篇話題相近的范文來幫助考生舉一反三、活學(xué)活用。最為實(shí)用的常用寫作模板，幫助考生在最短時(shí)間內(nèi)有效提高成績(jī)?！ ?br /> 歡迎六級(jí)考生下載……
Passage Two
The world was stunned by the news in the summer of 1995, when a British embryologist named Ian Wilmut, and his research team, successfully cloned Dolly the sheep using the technique of nuclear transfer. Replacing the DNA of one sheep’s egg with the DNA of another sheep’s the team created Dolly. Plants and lower forms of animal life have been successfully cloned for many years, but before Wilmut's announcement, it had been thought by many to be unlikely that such a procedure could be performed on larger mammals and life forms. The world media was immediately filled with heated discussions about the ethical implications of cloning.
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