补充拓展资料是阅读教学的重要策略。但很多教师对于资料拓展的认知不够准确,拓展的资料过于臃肿,挤占了课堂了听说读写的实践时间。本文提出要把握教材特质,拓展要有适切性;依托具体学情,拓展要有针对性;把握课堂时机,拓展要有及时性;放眼未来发展,拓展要有前瞻性,从而让拓展更高效。 Supplement to expand information is an important strategy for reading teaching. However, many teachers do not know enough about the expansion of information, and the information they expand is too bloated, which has taken up the practice time of listening, speaking, reading and writing in the classroom. This paper proposes to grasp the characteristics of textbooks, to expand the appropriateness; relying on specific learning, to develop targeted; to grasp the timing of the classroom, to develop a timely manner; look forward to the future development, development should be forward-looking, so that the expansion of more efficient .