听对话、短文和问题，选择正确答案。 1. What are they talking about? A. How to make apple juice. B. How to make a blender. C. How to make milk shake. 2. How do they make it? A. First cut up the apples, then put them in the blender and next drink it. B. First turn on the blender, then pour them in the blender and next peel the apples. C. First peel and cut up the apples, then put them and some milk in the blender and next turn on the blender. 3. What was the matter with Robert? A. He had a sore back. B. He had a headache. C. He had a stomachache. 4. What did Robert's mother often tell him? A. To study hard. B. To drink more hot tea. C. To wear more warm clothes. 5. How was Robert feeling at last? A. A little better. B. Very bad. C. Sick.