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【单选题】
能用于改善冰晶石-氧化铝熔液性质的添加剂是（）。
A.
CaF2
B.
MgF2
C.
NaCl
D.
LiF
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参考答案：
举一反三
【单选题】二级品氧化铝中SiO2、Fe2O3和Na2O含量分别是≤（）%。
A.
0.020、02和0.50
B.
0.040、03和0.60
C.
0.060、04和0.65
D.
0.080、05和0.70
【多选题】氢氧化铝具有的特点是（）
A.
抗酸作用较强，但缓慢
B.
可引起便秘
C.
作用后产生氧化铝有收敛、止血作用
D.
可与硫糖铝同用
E.
可影响四环素、地高辛、异烟肼等药物吸收
【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.
相关题目：
【单选题】二级品氧化铝中SiO2、Fe2O3和Na2O含量分别是≤（）%。
A.
0.020、02和0.50
B.
0.040、03和0.60
C.
0.060、04和0.65
D.
0.080、05和0.70
【多选题】氢氧化铝具有的特点是（）
A.
抗酸作用较强，但缓慢
B.
可引起便秘
C.
作用后产生氧化铝有收敛、止血作用
D.
可与硫糖铝同用
E.
可影响四环素、地高辛、异烟肼等药物吸收
【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.
参考解析：
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