第16题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. She will take subway. B. She will hurry to the conference. C. She will skip the conference and go sightseeing. D. She will take a bus. 参考答案:D 答案解析:[听力原文]
M: If you are in a hurry, you can take subway. If you want to go sightseeing, take a bus.
W
第17题: [单项选择]检查砷盐限度时，使用醋酸铅棉花的目的是 A. 使溴化汞试纸呈色均匀 B. 防止发生瓶内的飞沫溅出 C. 除去硫化氢的影响 D. 使砷还原成砷化氢 E. 使砷化氢气体上升速度稳定 参考答案:C
