课程改革特别强调:课堂教学要讲求实效。一节课时间有限,学习内容有限,打造有效的课堂教学尤为重要。预设目标很重要。每一节课的教学必须有一个明确的目标,这是课堂教学有效性的关键。教师确定教学目标要有整体意识。学生学习的内容确定与选择,学习过程的实施步骤与方法,学生已知与欲求的学情把握,课堂生成与处置等都必须考虑。教师在备课时要统观全局,目标驱动,教学才有可能达到事半功倍的效果。如教学《兵 Curriculum reform is particularly emphasized: classroom teaching should stress practical results. A class time is limited, learning content is limited, to create effective classroom teaching is particularly important. The default goal is important. The teaching of each lesson must have a clear goal, which is the key to the effectiveness of classroom teaching. Teachers to determine the teaching objectives must have the overall awareness. Students determine the content and choice of learning, learning process implementation steps and methods, students know and desire to grasp the learning situation, class generation and disposal must be considered. Teachers in the preparation of class to the overall situation, goal-driven, teaching it is possible to achieve a multiplier effect. Such as teaching "soldiers