食品经营许可证发证日期为许可决定作出的日期,有效期为()年。
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食品经营许可证分为正本、副本。正本、副本具有()法律效力。
1mol373K、标准压力下的水分别经历:(1)等温、等压可逆蒸发;(2)真空蒸发,变成373K、标准压力下的水气。这两个过程中热的关系为()。
A. Q1>Q2
B. Q1 C. Q1=Q2
D. 无法确定
1 mol单原子分子理想气体,初始状态为298 K,100 kPa,经历ΔU= 0的可逆变化后,体积为初始状态的2倍。则Q= ( )
A. 0
B. 1717 J
C. -1717J
D. 3400J
请翻译以下句子并讨论翻译的理论依据1. Money has become king, while nature, family, law and other important things have been ignored.2.Fast food is about to get faster in southern California, where the car is king, hamburgers are considered heavenly, and speed is of the essence.3.Some people see ideological laxity and weakening discipline as the hand-maiden of corruption.