Mathematics Curriculum Standard for Compulsory Education (20 1 1 Edition) points out that the cultivation of innovative consciousness is the basic task of modern mathematics education, which should be reflected in the process of mathematics teaching and learning, and students' self-discovery and questioning are the basis of innovation; Independent thinking and learning to think are the core of innovation; It is an important method of innovation to get conjectures and laws through induction and verification. Therefore, choose a in this question.