合成高分子防水涂料物理性能主要包括（）等指标。
A.固体含量
B.低温柔性
C.不透水性
D.防火性
E.防霉性
参考答案：A, B, C
听句子，缩写原文。（）
A．I don’t think you have more to say on that topic.
B．I think we’d better talk about that in detail sometime later.
C．I am truly appreciative if you can elaborate on that topic after lunch.
D．I am busy right now, so we might as well discuss it over lunch today.
湿空气在预热过程中不变化的参数是（）。
A、露点温度
B、焓
C、相对湿度
D、湿球温度
