等百分比流量特性控制阀的放大系数随着阀门相对开度的增加，放大系数（）。
A．逐渐减小
B．逐渐增大
C．保持不变
D．可能增大，电可能减小
参考答案：B
You have to finish a project with in 2 weeks and your lead developer had to take 1 week leave due to personal emergency．Another project manager has agreed to loan the service of his lead developer for 1 week．You are taking his help and completing the project．This case is an example of （） (Choose the best answer)．
A．fast tracking
B．crashing
C．risk management
D．resource leveling
《英雄树》发表于《创造月刊》一卷八期，是较早宣扬革命文学主张的论文之一，作者是（）。
A.郭沫若
B.成仿吾
C.郁达夫
随着阀门相对开度的增加，放大系数（）。
随着阀门相对开度的增加，放大系数（）。