Textbooks___to come in time. [ ]A. requireB. are required C. requiredD. are requiring-高一英语

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• 下列四组生物中，细胞结构最相似的是[]A．变形虫、水绵、香菇B．蓝藻、灵芝、豌豆C．小麦、番茄、大豆D．大肠杆菌、酵母菌、霉菌-高一生物
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• 以下内容中，不属于细胞学说的是[]A．细胞是一个有机体，一切动植物都是由细胞发育而来的B．细胞有它自己的生命，又对生物整体的生命过程起作用C．原核细胞没有细胞核和复杂的细-高一生物
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