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【单选题】
GB/T28001-2011标准4.4.5对于“文件”描述正确的是（）。A.
组织应编制《职业健康安全手册》，以描述管理体系核心要素及其相互作用，并提供查询相关文件的途径
B.
组织应按有效性和效率的要求使文件数量尽可能少
C.
必要时对文件进行评审并予以修订
D.
对于重大风险有关的运行情况，建立并保持形成文件的程序
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【简答题】According to a news report, the 309 service staffs working in the Beijing-Shanghai high speed railway were selected from more than 5,000 employees of the Beijing Railway Bureau. These members must mee...
【单选题】In order to live longer, _____.
A.
we have to try to be on a diet
B.
we should keep in high spirits
C.
we should try to do more exercise
D.
we should postpone the process of aging
【单选题】The common rail engines show great advantages in combustion especially______ .
A.
at high speed and full load
B.
at low speed and part load
C.
when heavy fuel oil is used at sea
D.
when the ships run long distance
【单选题】When the students heard the news, all of them were in _____.
A.
higher spirit
B.
high spirits
C.
a high spirit
D.
a higher spirits
【单选题】Look, the roller coaster !
A.
how high speed; is moving
B.
what high speed; is moving at
C.
how a high speed; is moving at
D.
what a high speed; is moving
【多选题】Tickets on high-speed trains are generally divided into:____________________ , business class seat and luxury soft sleeper.
A.
second class sea
B.
first class sea
C.
VIP class seat
D.
soft sleeper
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