Have you heard of the sandstorm? It is a natural disaster (灾难). It often happens in the desert. A sandstorm is like a snowstorm. They both bring a lot of trouble to people. In sandstorms, the wind carries the sand. Sandstorms are different from other disasters. They come with a warning (前兆) but other disasters come without any warnings. So when you see that clouds have a dark colour, it means there is going to be a sandstorm.
If it doesn’t rain for a long time, sandstorms may happen. When there are sandstorms in cities, there will be no planes in the sky. It would be dangerous for the pilot (飞行员) to fly the plane because he cannot see clearly. There would also be more traffic accidents in the street. The sky is grey and people cannot see very far.
There are many deserts in Africa and Asia. Sandstorms often happen in these places. People can stop sandstorms by planting trees.
【小题1】A sandstorm often happens in the【小题2】When a sandstorm happens, the wind carries the
【小题3】Sandstorms come with
【小题4】It would be
【小题5】People can stop sandstorms by
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