Unit 11) 背离传统需要极大的勇气。It takes an enormous amount of courage to make a departure from the tradition.2) 汤姆过去很腼腆，但这次却非常勇敢能在大庭广众面前上台表演了。Tom used to be very shy,but this time he was bold enough to give a performance in front of a large audience.3) 很多教育家认为从小培养孩子的创新精神是很可取的。Many educators think it desirable to foster the creative spirit in the child at an early age.4) 假设那幅画确实是名作（masterpiece），你觉得值得购买吗？Assuming (that) this painting really is a masterpiece,do you think its worthwhile to buy/
