This topic is an introductory variant, its main points are "appropriateness" and "conciseness", and it is also a kind of question that embodies the essence of the new curriculum standard. We should pay attention to the following points: first, judge from the audience's point of view, that is, judge from the viewer's (consumer's) position; Second, we should proceed from the language materials themselves, from the intuitive, vivid and vivid; Third, we should start from the characteristics of products, starting from "easy to remember", "easy to understand" and "catchy". In this way, the "wonderful" place will be clear at a glance.
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