21世纪是一个知识经济的时代,知识经济需要创新意识的人才,它要求教育注重培养学生的创造思维和创新能力。传统的应试教育已不适应时代发展的要求,素质教育势在必行。创新能力作为素质教育的核心和最高目标,已尖锐而紧迫地摆在了广大教 The 21st century is an era of knowledge-based economy. The knowledge-based economy needs talent for innovation. It requires that education should focus on cultivating students’ creative thinking and innovative ability. The traditional examination-oriented education has not meet the requirements of the development of the times, quality education is imperative. As the core and highest goal of quality education, innovative ability has been sharply and urgently placed in the majority of teaching