Here_____ something else to tell you?[ ]A. areB. is C. beD. am-八年级英语

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• －Is that Mary?－No, it _______be her. She has gone to Tokyo. A．can’tB．mayC．needn’tD．mustn’t-九年级英语
• Wang Mei ____ her mother because she is beautiful and intelligent.[ ]A. lookB. likedC. is like D. lo
• ______ his birthday March 6th?[ ]A. WhenB. How old C. Is D. Does-七年级英语
• It’s time _____ class. You must _____ the classroom.A．to; to goB．for; go toC．to; to goD．for; to go-七
• —Must I clean my room now, Mum?—_______. You can do it tomorrow.A．No, you needn’t B．No, you mustn’tC
• Did you walk such a long way on such a hot day? You _______ be tired and thirsty. [ ]A. can B. must
• 你能用绘图的方法，说明在池塘生态系统中能量流动是怎样进行的吗？-八年级生物
• 生态系统中能量流动与物质循环的关系是[]A．虽然二者是各自独立的过程，但它们是同时进行的B．物质的合成和分解过程，伴随着能量的储存、转移和释放C．先有物质循环，然后才有能-八年级生物
• 在生态系统中，物质和能量沿着________和________流动，有毒物质也能够沿着它们进行积累。-七年级生物
• —Look! A book is on the floor. Whose is it?—It ______ be Rick’s. It has his name on it.A．mustn’tB．ca
• 绿色植物作为生命角色（），通过食物链、食物网养育了其他生物（）A．生产者B．消费者C．分解者D．非生物成分-七年级生物
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• 我们人体所需能量的最终来源是（）A．植物中的化学能B．太阳的光能C．食物中的化学能D．摄取食物的热能-七年级生物
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• 下列属于生态系统的是（）A．漳河水库中所有的鱼B．仙居乡全部的仙居红萝卜C．文明湖中所有的生物D．东宝山林区-七年级生物
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