[单选题] 驾驶机动车遇到前方车辆停车，等待行人通过人行横道时，以下做法的是什么？
A.从左侧超越前车
B.鸣喇叭催促前车向前行驶
C.从右侧超越前车
D.与前车保持安全距离,排队等待

[单选题]单机在自动闭塞区间被迫停在调谐区内,当具备移动条件时司机须先将机车移动不少于( )m。
A.10
B.15
C.20

[多选题]和平共处五项原则是指( )。
A.互相尊重主权和领土完整
B.互不侵犯
C.互不干涉内政
D.平等互利、和平共处

[单选题]( )是形成各种操作技能所不可缺少的关键环节，它是以掌握一定的技能为目标而进行的反复操作的过程，或是刺激与反应的重复操作。
A.讲解
B.练习
C.反馈
D.示范

[判断题]【远航学校】对于各层次的管理者，除负责各自管理范围内的生产经营管理职责外，还应负责其运 行范围内的安全生产管理，确保管理范围内的安全生产管理体系正常运行和安全业绩的持续 改进。
A.正确
B.错误

[多选题]低压电器通常指工作在交流1000V及以下电路中的起（ ）和通断作用的电器。
A.新装
B.增容
C.变更用电
D.迁移

[多选题]党员经常性教育的主要目标是( )。( )
A.提高党员思想政治素质
B.增强党员工作能力
C.转变党员作风
D.发挥党员先锋模范作用

[填空题]直流母线并列前,必须检查两组母线( ),正、负极性( )。

[填空题]Andrena Gravida is the name of a wild bee declining in the United Kingdom and the Netherlands. A (31) of months ago the recent drop in migratory bird populations was known, based on a study (32) in the Netherlands. Now there’s more troubling news from that part of the world: a study released today by the journal Science reports that there’s been a dramatic loss of (33) among wild bees over the past 25 years in Holland.
There’s (34) to a 70% decline in the variety and (35) of bee (36) in some areas in Britain. A loss of biodiversity is more subtle (37) an overall drop in absolute numbers of (38) or plants, but it’s still (39) a problem because the (40) species in an ecosystem, the more the system (41) on each one of them, and if disease or some other (42) wipes out a species, its function could go unfilled. In the (43) of bees, that (