《细则》规定：旅客在中途站办理签证需补差价时，发售（）。
A.补收票价
B.有价签证票
C.只打印签证号
D.新票
参考答案：B
He proved himself a true gentleman and the beauty of his ______ was seen at its best when he worked
with others. [ ]
A. temper
B. appearance
C. talent
D. character
服务突发事件应急处理工作领导机构的职责包括但不限于（）。
A.统一指挥应急处理工作
B.调配各类应急处理资源
C.决定向系统内上级机构报告突发事件及其处理情况
D.总结应急处理工作经验教训
