题目内容
轴的结构设计时，要考虑轴上零件的合理布置，及固定方式；轴承类型及位置。轴上作用力的大小及分布、轴的（ ）等，来合理确定轴的结构。以保证轴上的零件定位准确，固定可靠、拆装方便。是轴的结构尽量，尽量减小应力集中。
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对产品质量形成全过程的质量职能管理项目共有（ ）方面。
机床在外载荷，温升，振动的 作用下检测机床的精度称为（ ）精度。
Many deaths from home fires are the result of burns and panic, but most are caused by deadly smoke and gases. These fatal fires are often caused by such careless acts as throwing away a lighted match or cigarette, allowing rubbish to pile up, overloading electrical wires, or misuse of heating and cooking equipment.Few families go to bed at night without first checking to make sure that the doors and windows are locked, but they overlook a very basic fire safety rule. This rule states that people should sleep with their bedroom doors closed. Nighttime fires are most serious because the family is asleep and the discovery of fire is usually too late.A closed bedroom door gives extra protection by delaying the gases and fire, thus giving the family a few minutes to escape.At the first sight of fire in a home, it is necessary for everyone to get out of the house, especially children and elderly persons who may need help.Not everyone flees (逃跑) quickly from a burning home. Children often panic and hide in closets or under beds. Being prepared or knowing what to do in case fire breaks out can mean the difference between life and death. All members of the family should know certain basic steps.Everyone should know an escape route and second route from each room in the house. Very young children and old persons should receive careful thought when mapping out (制订) family escape plans. Both groups will need special help in escaping from home fires. A family ’should deter mine a way in which any members can sound an alarm. It is likely that fire may block hallways and prevent a person from reaching other bedrooms. Family members should be taught not to waste time getting dressed or collecting valuable possessions. Speed is necessary in escaping from fire. During a fire children often（）
英国现代教育管理制度确立的标志是（）。
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