题目

 The way the guests     in the hotel influenced their evaluation of the service.     A. treated    B. were treated    C. would treat    D. would be treated   答案：B下列关于试剂存放的叙述正确的是（　　）A．浓硫酸的装运包装箱应贴上如图所示的标识B．金属钠保存在CCl4中（钠的密度小于CCl4）C．氢氧化钠溶液保存在带玻璃塞的玻璃瓶中D．硝酸银溶液存放在无色试剂瓶中