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【单选题】
汽油清净剂是一种专门加入汽油中的（）添加剂。
A.
有机复合
B.
增效复合
C.
多效复合
D.
净化复合
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.
相关题目：
【单选题】使用燃油清净剂可能使车辆节省（ ）燃油。
A.
大约2-5%
B.
20%
C.
30%
D.
40%
【判断题】发动机在运行良好的情况下，就不需要加汽油清净剂。
A.
正确
B.
错误
【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.
【多选题】测定汽油清净剂试验时所用的试剂包括（）和洗液、水砂纸、基础汽油、专用助剂。
A.
正庚烷
B.
石油醚
C.
无水乙醇
D.
甲苯
【判断题】食品添加剂都是有益的
A.
正确
B.
错误
【多选题】下列属于食品添加剂的是（）。
A.
防腐剂
B.
酸味剂
C.
漂白剂
D.
凝固剂
【单选题】下列添加剂中,属于防腐剂的是()。
A.
苹果酸
B.
山梨酸
C.
酒石酸
D.
柠檬酸
【多选题】下列添加剂中属于增稠剂的有（）
A.
皮冻
B.
琼脂
C.
碳酸钠
D.
果胶
E.
明矾