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【单选题】
洗瓶机开始生产时，碱槽内的水必须升温到（）℃以上方可加碱和添加剂，否则容易起泡沫。
A.
50
B.
40
C.
45
D.
35
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Many Americans harbor a grossly distorted and exaggerated view of most of the risks surrounding food．Fergus Clydesdale, head of the department of food science and nutrition at the University of Massac...
A.
They overlook the risks of the food they eat.
B.
They overestimate the hazards of their food.
C.
They are overoptimistic about the safety of their food.
D.
They overstate the government's interference with the food industry.