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【单选题】
在磨削液中添加剂的作用是( )。
A.
增加粘性
B.
有化学活性
C.
有香味
D.
有颜色
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【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】关于药物作用机制的描述，正确的是（）
A.
药物可作为生命代谢物质的补充剂，参与或干扰细胞代谢过程
B.
抗酸药中和胃酸治疗溃疡病，主要是影响生理物质的转运过程
C.
新斯的明竞争性抑制胆碱脂酶，是药物对酶的影响作用所致
D.
药物可直接作用于细胞膜的离子通道
相关题目：
【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】关于药物作用机制的描述，正确的是（）
A.
药物可作为生命代谢物质的补充剂，参与或干扰细胞代谢过程
B.
抗酸药中和胃酸治疗溃疡病，主要是影响生理物质的转运过程
C.
新斯的明竞争性抑制胆碱脂酶，是药物对酶的影响作用所致
D.
药物可直接作用于细胞膜的离子通道
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