阅读下面短文，根据短文内容，在每小题句子空白处填入适当词语，使其意思与短文内容一致（每空词数不限）。

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 _________ for the pilot to fly the plane in sandstorms.
【小题5】People can stop sandstorms by ________.