题型：名词解释 下列物质分类中错误的一组是（ ）A．单质 Fe、S、N2B．氧化物 H2O、P2O5、Al2O3C．酸 HCl、H2SO4、NH4H2PO4D．碱 KOH、Mg（OH）2、Fe（OH）3 查看答案
题型：名词解释 根据对话内容及方框中所给的句子补全对话。选项中有一项是多余的。A. Work must come first. B. I'll talk with your parents about the problem. C. My parents like me to play basketball. D. What's wrong with you? E. The problem is that I love basketball. F. I have a problem. A: Hello, Uncle John! B: Hello, Bob! 1._____ You look worried and upset. A: 2._____ I really need your help. B: What do you mean? A: Well, 3._____ But now it becomes more and more difficult since I am in Grade Nine. My parents don't allow me to play basketball. B: Maybe your parents are right. 4._____ A: I see. I do well in all my lessons and I think I should be allowed to do the things that I'm interested in. B: OK. 5._____ A: Thank you, Uncle John. It's very nice of you. 查看答案