百度 他说：越来越多的塑料垃圾被倾倒在垃圾带，所以需要国际社会一起想办法，重新思考并改变我们使用塑料的方式。

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High School Mathematics Extensions is aimed at, but not limited to, 14 to 18 year olds who are interested in mathematics in general. Several interesting topics not covered in the standard high school curriculum are introduced in this text.

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Explore and discover the human body, an incredible machine, with Human Body. For children ages 8–12.

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Paella de Marisco (seafood paella) is the world's most popular paella recipe. It emerged in its modern version in Spain's Valencian region in the early 1800s. Prior to the 19th century, the ingredients for seafood paella varied greatly with the most unusual being eel.

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The Games shelf contains books on games, and includes the subsection shelves athletic games, board games, card games, electronic games, and game design.

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The Computer Programming shelf contains books on programming, such as LaTeX, OpenSCAD User Manual, Python Programming, and Java Programming.

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The Languages of Asia shelf contains books on Asian languages, such as Marathi, Bengali, Kannada, Hindi, and Sanskrit.

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