The last sentence of this chapter "If crops grow too slowly or don't grow, there is no hope of harvest. So do people. We must hurry, catch up with the hot weather and grow as hard as possible. " Expressed the author's feelings.

Teachers should guide students to understand and understand the meaning of the last sentence, and understand that people must cherish time, actively strive for the growth of knowledge, ability and experience, and must not miss opportunities, otherwise they will become people who have accomplished nothing. Reflect the content of ideological and political lessons.