在高考题中,学生由于考虑问题不全面等原因而时常出现错解,本节课针对学生在各章节出现的陷阱题作一分析探讨,以期达到高考中少犯此类问题的目的.一、图形类陷阱1.已知三个平行平面α、β、γ与两条直线l、m分别相交于A、B、C和点D、E、F.求证:AB/BC=DE/EF[.人教版第二册下(见下图)] In the college entrance examination questions, students often mistakes because of incomplete consideration of the problem, this lesson for students in all chapters of the trap for an analysis to explore, in order to achieve the college entrance examination in less guilty of such problems. Graph Trap 1. It is known that the three parallel planes α, β, γ and the two straight lines l, m intersect at A, B, C and D, E, F. Verify: AB / BC = DE / EF. PEP 2 (see below)]