下列动物属于单细胞动物的是[]A．草履虫B．珊瑚虫C．小麦线虫D．涡虫-八年级生物

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• 下列单细胞生物中，能净化污水的是[]A．酵母菌B．草履虫C．疟原虫D．变形虫-七年级生物
• —We can use QQ to talk with each other on the Internet.—Really? Will you show me ________ it? [ ]A.
• 1665年，英国科学家罗伯特·虎克将软木塞的薄片放在自制的光学显微镜观察发现了细胞。到19世纪30年代，德国科学家施莱登和施旺分别对植物和动物进行深入的研究，提出动物和植-七年级生物
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• 下列哪一单细胞生物细胞里含有叶绿体，能进行光合作用？[]A．酵母菌B．草履虫C．衣藻D．变形虫-七年级生物
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• 下列不属于单细胞生物的是[]A．病毒B．酵母菌C．细菌D．草履虫-七年级生物
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• 下列不是单细胞生物的是[]A．变形虫B．衣藻C．草履虫D．鼠妇-七年级生物
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• 放线菌属于[]A．真菌B．单细胞的原核生物C．多细胞的细菌D．低等植物-八年级生物
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• 下列选项中，不是单细胞生物的是[]A．变形虫B．水绵C．衣藻D．草履虫-七年级生物
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• 在生物圈中，有的生物只有一个细胞，如草履虫，这类生物被称为____________；大多数生物都是多个细胞构成的，这类生物称为______________。-七年级生物
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