本套紧扣六级考试改革要求， 深入剖析六级考试新题型， 是集指导、 练习于一体的特训练习册。分析历年六级写作必考题材，以真题为例，并提供多篇话题相近的范文来帮助考生举一反三、活学活用。最为实用的常用写作模板，帮助考生在最短时间内有效提高成绩。
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.