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【单选题】
调节钻井液PH值的主要添加剂为（）。
A.
氯化钠
B.
重晶石
C.
烧碱
D.
氯化钙
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参考答案：
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.
【单选题】市场调节是指（ ）。
A.
通过制定国民经济发展方案，有目的、有计划地进行调节
B.
通过市场竞争，由价值规律自发地进行调节
C.
把市场作为基础和主要手段的资源配置方式
D.
以市场为基础，辅之以必要的宏观调控
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.
【单选题】市场调节是指（ ）。
A.
通过制定国民经济发展方案，有目的、有计划地进行调节
B.
通过市场竞争，由价值规律自发地进行调节
C.
把市场作为基础和主要手段的资源配置方式
D.
以市场为基础，辅之以必要的宏观调控
参考解析：
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