题目内容

具有潜在危害的食品,在常温条件下存放时间过长,会引起微生物大量繁殖。()

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能够与肥大细胞和嗜碱性粒细胞结合介导I型变态反应发生的抗体是

A. IgA
B. IgG
C. IgM
D. IgE
E. IgD

需经常冲洗场所的地面应有的坡度至少大于3.5%。()

以下不属于肝纤维化诊断指标的是

A. 透明质酸
B. 层黏蛋白
C. HI型胶原前肽
D. F型胶原
E. 干扰素

The power developed by a large slow-speed main propulsion diesel engine is dependent upon

A. quantity of air it takes in and retains in the cylinders during a given time period
B. proportion of trapped air that is utilized in the combustion process
C. thermodynamic efficiency of the engine cycle
D. all of the above

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