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限时规范训练（13） 限时 35分钟 Ⅰ.阅读理解 A (2022•湖北省七市高三调研)You might think that the latest pop hit is created by a machine rather than a human being. Actually, getting artificial intelligence (AI) to understand many aspects of music is easier said than done. Describing things like musical structure, harmony, and form can be difficult enough when speaking with somebody who did not study music theory, let alone a machine. A new study out of China examines if AI can be taught to recognize some of these features and then to compose music itself. To do this, they used an AI machine enhanced with a program called the Harmony-Aware Hierarchical Music Transformer (HAT), a system that can turn musical data into machine-readable parts and then review those parts for harmony, form, and other musical qualities. The system was then fed hundreds of pieces of human-composed piano music to learn what pop music is supposed to sound like. To see how well it could perform, the researchers asked the AI to complete a song. They fed the opening of Guang Yin De Gu Shi, a real Chinese pop song, into the AI, and then measured how closely it was able to match the song in terms of generating melodic segments (旋律片段) of similar length. For good measure, they also gave the same task to two other music-generating AI machines which were less advanced than HAT. While HAT outperformed its computer rivals (对手), the segments it created were disconnected from each other and clearly not human-made, though they were roughly the same length as those in the human-made tune. “There is still a huge gap between the HAT-generated pieces and the real works，” concluded the authors, suggesting that a future study can attempt to create an AI machine that can “polish” the music it creates to close that gap. 【语篇解读】　本文为一篇说明文。人工智能创作最新流行歌曲绝非易事。文章介绍了人工智能创作音乐的现状，以及其未来的研究方向。 1．What can be inferred from Paragraph 1? A．It is difficult to describe many features of music. B．The latest pop hit is usually created by a machine. C．It is no