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【单选题】
( )是指用惰性介质取代一个正常的环境,将中立的部分或者惰性添加剂加入一件物体或系统中。
A.
热膨胀原理
B.
强氧化剂原理
C.
惰性环境原理
D.
复合材料原理
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.