题目内容
The dramatic daily shifts between light and darkness on our planet because of sunrise and sunset have been incorporated into the biology of nearly every living thing.
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Digestive enzymes and hormonesebb and flow in a predictable pattern over the course of 24 hours, enabling the liver, intestines, and other digestive organs to function together as one well-oiled machine.
（）自始至终强调，决议最根本最核心的内容是科学确立毛泽东的历史地位和坚持、发展毛泽东思想。
含受控源电路的等效变换所使用的方法为与实际电源等效变换的方法一样。
电阻星型和三角型连接中具有公共点的是哪一种？
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