弹条Ⅴ型扣件调高垫板按厚度分为（）规格，放置于轨下垫板与轨枕承轨面之间。
A. 1mm、2mm、5mm、和8mm四种
B. 1mm、2mm、5mm三种
C. 1mm、5mm、和8mm三种
D. 1mm、3mm、5mm、和8mm四种
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在建立安全生产责任制以后逐步建立安全生产责任制的监督、检查等制度，特别要注意发挥工会组织的监督作用，以保证安全生产责任制得到真正落实。
A. 正确
B. 错误
You are on a containership. The cargo includes a container of small arms ammunition，a container of lead-acid storage batteries and bottles of methyl acetylene. Which statement is TRUE?（）.
A. The storage batteries must be stowed on deck away from the ammunition
B. The storage batteries must be at least ten horizontal feet away from the methyl acetylene if in the same space
C. The ammunition must be separated from the methyl acetylene by at least one hold
D. The methyl acetylene may be stowed on deck or under deck with under deck stowage to be used if available
汽轮机高压抽汽温度为（）℃。
A. 463
B. 535
C. 400
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