第18题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Boss and secretary. B. Teacher and student. C. Doctor and nurse. D. Reporter and reader. 参考答案:A 答案解析:[听力原文]
M: Miss Green, could you do me a favor Can you work overtime tonight I need this report do
第32题: [单项选择]随着高层建筑物增多,高位水箱水使用普遍,其水质监测常规项目有() A. pH、余氯、浑浊度、细菌总数 B. pH、余氯、总大肠菌群:铁 C. pH、余氯、细菌总数、总大肠菌群 D. 浑浊度、余氯、细菌总数、总大肠菌群 E. 浑浊度、pH、细菌总数、总大肠菌群 参考答案:D 答案解析:高位水箱水的常规监测项目包括浑浊度、余氯、总大肠菌群、细菌总数。因高位水箱的建材不同,监测项目还需增加,如以钢铁为建材者,增测铁;以水泥为建材者,增测砷、铁等;以玻璃钢等合成材料为建材者,增测酚、耗氧