进行培训的需求分析，一般应从哪几方面入手（）。 ["任务分析","人员分析","管理者分析","组织分析"]
A diesel engine with a combustion chamber located between the crowns of two pistons is known as a/an （）. ["double-acting engine","opposed pistons engine","single-acting engine","horizontal acting engine"]
可逆过程中系统的（）变化是系统和外界传递热量的标志。 ["内能","焓","熵","温度"]
保证组织职业安全应建立健全的制度包括了（）。 ["安全生产责任制度","安全生产教育制度","安全生产检查制度","伤亡事故报告制度","安全生产事故处理制度"]
定容吸热时，工质温度升高，其压力（）；定容放热时，工质温度升降低，其压力（）。 ["降低；降低","升高；升高","升高；降低","降低；升高"]
有效地预防窜货策略有哪些？
