题目

根据句意及首字母提示完成句子 1.He often takes p in the park. This is one of them.It’s beautiful. 2.Mr. Li has got two sand a b.They are clever. 3.We call mother’s sister a and mother’s brother uncle. 4.Your mother’s or father’s mother is your g. 5.He is one of my f. 答案：1. photos/pictures 2. sisters, brother  3. aunt  4. grandmother  5. friends5．A～E为初中科学中常见的物质，其中A能使带火星的木条复燃，E的浓溶液能使小木棒变黑．它们的反应转化关系如图所示（图中部分生成物未标出）．（1）金属单质B的化学式是Cu；（2）金属铁与蓝色溶液D反应的化学方程式为Fe+CuSO4═FeSO4+Cu．