多项选择题

下列描述正确的是（） A. 原电池的正极是阳极 B. 电解池的正极是阳极 C. 原电池的负极是阳极 D. 电解池的负极是阳极

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单项选择题

Which of the following lyrics reflect the police brutality? A. Londong calling to the underworld, come out of the cupboard. B. London calling see we ain't got no highs, except for that one with the yellowy eyes. C. London calling at the top of the dial, and after all this, won't you give me a smile? D. London calling see we ain't got no swing, 'Cept for the ring of that truncheon thing.