Unit 1背离传统需要极大的勇气。（departure，enormous）It takes an enormous amount of courage to make a departure from the tradition.汤姆过去就很腼腆，但这次却非常勇敢在当观众面前上台表演了。(performance,bold)Tom used to be very shy, but this time he was bold enough to give a performance in front of a large audience.很多教育家认为从小培养孩子的创新精神是很可取的。(creative, desirable)Many educators think it desirable to foster the creative spirit in the child at an early age.假设那幅画确实是名作，你觉得值得购买吗？(Assuming that, worthwhile)Assuming that this painting
