一般来说，高中学生们的学习时间紧迫，学习任务也多。教师为了教学进度可能

In general, high school students learn time-critical, multi-task learning. For teachers teaching grammar class would progress may direct orally expressed clearly. This will make the students' initiative to reduce activity is not high. However, the use of teaching allows teachers and students to interact stick figure, such as asking students how to draw a pig, etc., active students' thinking. The students in the class dared to express the classroom naturally wakes up. In teaching practice students do in the classroom grammar compared to active before many.

Generally speaking, high school students have tight learning time and many learning tasks. Teachers may express grammar directly in words in order to progress in teaching. This will make the students less active, not high degree of activity. But the use of simple strokes teaching allows teachers and students to interact, such as asking students how to draw a piglet, and so on, to stimulate students' thinking. The students dared to express their words in class, and the class was naturally active. In teaching practice, students are really much more active in grammar classes than before.

Generally speaking, the high school students' study time is urgent, the study task is also many. For the sake of teaching progress, teachers may express grammar lesson directly in oral. This will make students less active and less active. But teaching with simple strokes can make teachers and students interact with each other, such as asking students how to draw a pig, so as to activate students' thinking. If students dare to express themselves in class, the class will naturally become active. In teaching practice, students are really much more active in grammar class than before.