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【单选题】
含砂雾封层的材料是由( ) 、陶土、聚合物添加剂、细粒砂组成的混合料。
A.
改性乳化沥青
B.
泡沫沥青
C.
水
D.
基质沥青
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.