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三、听对话，根据所听到的对话内容和提示词语，记录关键信息。对话你将听两遍。 W: Good morning, Dr. Brown. M: Good morning, Joan. W: Today let’s talk about how to protect our teeth. M: As we know, teeth are very important for our body. W: Yeah, healthy teeth help us eat the right food to help us grow. M: They also help you to speak clearly. But do you know how to take care of your teeth? W: Oh, not too much. I often brush teeth after supper. M: You should brush teeth after eating a cake, and something like this. W: Why do we do that? M: Because there is sugar in the cake. It’s bad for your teeth. W: Oh, I see. Dr Brown, could you tell us how to brush teeth? M: Sure. Brush your teeth at the front first, and then spend some time on the teeth along the sides. W: Brush teeth at the front first and then along the sides. M: Yes, many people never do it. W: What kind of toothbrush should we use? M: Be sure to use a soft toothbrush. W: How often can we get a new one? M: Every three months. W: What else do we have to care about? M: Eat lots of fruit and vegetables. Water is better than sweet drinks, so drink more water. W: OK. Thanks a lot! M: You are welcome. (责任编辑：admin) |