下载APP
【单选题】
下列添加剂能降低电解质熔液密度的是（）。
A.
CaF2和NaCl
B.
CaF2和MgF2
C.
NaCl和LiF
D.
MgF2和LiF
举报
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.