If I hadn't slipped on the ice, I______my arms.
A．would not have broken
B．would have broken
C．could not have broken
D．should have broken

Speaker A: Where can we get the computer fixed?Speaker B: ______A．Yes. I have no idea.B．Why not ask John about it.C．No. I believe there is one at the corner.D．Why do you want it repaired? 点击查看答案

湿空气的总压为101．3kPa，温度为10~C，湿度为0．005kg水Ykg干气。试计算：(1)空气的相对湿度φ1；(2)空气温度升到35℃时的相对湿度φ2；(3)温度仍为35℃，总压提高到115kPa时的相对湿度φ3；(4)温度仍为第(1)问的10℃，若总压从101．3kPa增大到500kPa，试求此条件下的湿空气饱和湿度Ha，并与原空气的湿度H比较，求出加压后每千克干空气所冷凝的水分量。 点击查看答案