一、培养课前预习的习惯课前预习是学生学习的重要环节。通过预习 ,上课就会有的放矢 ,知道哪些该着重掌握 ,哪些只需一般了解。那些预习时不太懂的地方 ,老师讲到的时候 ,要集中精力 ,仔细理解。那些在预习时很容易理解和掌握的地方 ,老师讲到时则不必全神贯注 ,让脑子放松一 First, the habit of pre-training classes before class is an important part of student learning. Through the preview, the class will focus on what to focus on and what you need to know in general. Those teachers who do not understand the preparatory time, when the teacher talks, should concentrate and carefully understand. Those places where it is easy to understand and master during the pre-training time, when the teacher speaks, you don’t have to concentrate on the brain to relax.