As science and technology develops, future hats will be quite different from now. Here is what one might be like.

Although it looks like a traditional hat, it will be able to change its color and shape according to the user's wishes. We will not feel cold or hot when we're wearing it. Besides, it will have some other useful functions. For example, when it rains, press a small button on it and the hat will change into a large umbrella. When we feel tired or nervous, it will play soft music to make us relaxed.

In short, future hats will make our life easier and nicer.

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Hats in the future

With the development of science and technology, future hats will be greatly different from what they are now. Here is an example of what a future hat might be like.

Although in appearance, it will be similar to a traditional hat, the future hat, available in various colors and shapes, will vary according to the user's wishes. It will not only be able to protect us from cold or heat, but also have some other amazing functions. For example, when it rains, just press a small button on it and the hat will immediately transform into a large umbrella. When we suffer from exhaustion or anxiety, it will play us a relaxing tune.

In a word, future hats will make our life more convenient and more comfortable.

【实战演练】

某中学生英文报正在开展题为"Supermarkets in the future"的征文活动。请你用英语写一篇短文描述未来的超市在商品和服务方面的变化并投稿。

注意：1. 词数100左右（标题已给出，但不计入总词数）；2. 可适当增加细节，以使行文连贯。

Supermarkets in the future

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