单选题：According to the speaker, how do some pesticides get into po

题目内容：
According to the speaker, how do some pesticides get into ponds? A．They are applied to aquatic weeds by fish farming.
B．Amphibians release them from their skin.
C．Irresponsible dispose of them in ponds.
D．They are washed into ponds by the rain.

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What are the shopping goods that are basically considered the same? A．Those that

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