第15题: [多项选择]沥青混合料生产配合比调整要解决的问题是______。 A. 确定拌和温度 B. 确定各热料仓矿料的配合比例 C. 确定沥青用量 D. 确定拌和时间 参考答案:B,C 答案解析:[解析] 参考JTG F40—2004中关于热拌沥青混合料配合比设计与技术要求。沥青混合料生产配合比的内容:确定各料仓矿料的配合比例,确定沥青用量。
第16题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. She’s reading a very long book. B. The man is mistaken. C. She needs to read the page carefully. D. She’s working on a long assignment. 参考答案:C 答案解析:[听力原文]
M: You’ve certainly been reading that one page for a long time now.
W: Well, I’m being test