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w the aims for students to choose. (At the same time, students step into the second ste p slowly, some by some.)[] Step Two: Learn by themselves. (25m) Students: 1. Choose learning aims. 2. Learn the new content. 1) Read and remember the key words and target language. Check in pairs orally. 2) Practice. Do e xercises (同步訓練 ) to check if you have mastered the target language in this unit. Try to solve the problems you meet in groups. Teacher: Watch the stu dents and help them whenever necessary. Gather questions. Step Thre