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【单选题】
泵循环喷嘴油罐调和是将各组分油和添加剂（）送入罐内，然后用泵不断地从罐内抽出部分油品再通过装在罐内的喷嘴射流混合。
A.
按先后次序
B.
按比例
C.
同时
D.
等比例
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.