劳务纠纷的性质有（）
A.偶发性
B.多发性
C.经济利益主导性
D.地域集中性
E.矛盾激化性
参考答案：B, C, D, E
光缆配盘长度应为下列（）项之和。
A、光缆路由长度（含机房部分）
B、自然弯曲增加长度、引上、引下长度
C、接头.成端熔接预留
D、人手井（电杆）.与机房预留
E、尾纤长度
Construction of the gigantic office building in this city was for years intermittent.
A. stopping and starting at intervalsB. something that will happen soonC. being watched with keen interestD. anything that comes and goes
