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近年来赤潮在我国时有发生，当赤潮发生时，海水中的某些微小浮游生物大量繁殖，使水体呈现红紫等颜色，并对生物造成危害。据此完成各题 小题1:下列说法中不正确的是（  ） A．赤潮是目前在全球较为普遍且日趋严重的水污染现象 B．含磷洗涤剂广泛使用与排放是发生赤潮的主要原因之一 C．在封闭的海湾容易发生赤潮 D．水温较低的近海海域容易发生赤潮 小题2:处理污水时，要不要除去化合态磷，有以下几种意见，你认为正确的是（  ） A．含磷污水排入自然水体中，能引起藻类繁 殖， 使水质变坏，必须除去 B．磷是植物生长的营养元素，不必除去 C．含磷废液是很好的肥料，不必处理 D．磷对生物无毒，除去与否都无关紧要
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