第10题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. To keep the space. B. To get into the auditorium. C. To give up the room. D. To reserve the room. 参考答案:D 答案解析:[听力原文]
M: Do you know if Sarah has reserved the room for the committee meeting yet
W: No. But if
第11题:[单选题]AgC1.沉淀能完全溶解在.试剂中。 A. 0.1. mol/L KOH B. 1.0. mol/L NaOH C. 0.05.mo1./LNH3.H20. D. 8.mol/L NH3.H20. 参考答案:D