对于地基承载力较低、台身较高、跨径较大的梁桥，应优先选用的桥台形式是( )。
A．轻型桥台B．框架式桥台C．重力式桥台D．柱式桥台
参考答案：B
A KEY activity in closing out a project is to______.
A．disseminate status reports and risk assessment
B．disseminate information to formalize project completion
C．monitor the specific project results to determine if they comply with relevant quality standards
D．transfer all the project records to the project owners
画出话路设备中的混合电路框图。
