Several possible problems in the first volume of Chinese 17.

2. Description structure: horizontal (parallel)

3. Interpretation order: logic, from generalization to concreteness.

4. Description object: the relationship between cloud and weather

5. The central sentence of the full text: Clouds are like the "signboard" of weather: what kind of weather will appear when there are clouds hanging in the sky.

6. Knowing the meaning of the weather by observing the clouds: Clouds can help us identify rain, sunshine and wind, and change with the weather, which is of great significance to industrial and agricultural production.

7. How to know the weather by observing the clouds: If you want to learn to know the weather by observing the clouds, you must learn from experienced people with an open mind, pay attention to the changes of the clouds, and master the rules through repeated observation.

8. Knowing the limitations of the weather from the clouds: However, the weather changes are extremely complicated, and knowing the weather from the clouds has certain limitations after all. In order to accurately grasp the weather changes, we have to rely on the weather forecast.

Um ... give points. Although I don't listen carefully in class, I can remember all the blackboard books written by the teacher. .