题目内容：
对于高速公路、一级公路，沥青面层使用的粗骨料可以选用（ ）。
A.碎石
B.筛选砾石
C.破碎砾石
D.矿渣
E.钢渣
参考答案：
答案解析：
选择题：对于高速公路、一级公路，沥青面层使用的粗骨料可以选用（ ）。
- 题目分类：一级建造师
- 题目类型：选择题
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