题目内容

超高是指为抵消车辆在曲线路段上行驶时产生的（）。将路面做成（）侧高于（）侧的单向横坡的形式。

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超高值是指，在设置了超高后，路面中心线、路面边缘及路肩边缘等计算点与（）的高差。

1. You’d better pick me ____ outside the theater at 8:30 pm.2. Some impractical suggestions were turned _ by the committee.3. A review of you monthly expense helps you stay _ budget instead of straying from your target.4. All disputes connection with this contract shall be settled through friendly negotiation.5. The future science will help us realize the dream that one day we can interact _ a robot as if it werea person.6. This disease is specific ____ this area.

直流升压斩波电路当占空比D越接近1。

A. Ud越高
B. Ud越低
C. 与Ud值无关
D. Ud值不变

直流升压斩波电路Ud的大小与值有关。

A. 频率f
B. 占空比D
C. 周期T
D. 初相位