如图是草履虫结构示意图据图回答1图中�能�入氧气和排出二氧化碳它的名称是 它相当于人体中的哪一个系统 .2在草履虫培养液中 Template




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tomski如图是草履虫结构示意图据图回答1图中�能�入氧气和排出二氧化碳它的名称是 它相当于人体中的哪一个系统 .2在草履虫培养液中 coloring