交叉作业楼层边沿堆放模板的安全距离、码放高度分别是()
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拆下的模板等堆放时，不能过于靠近楼层边沿，应与楼层边沿留出不小于1m的安全距离，码放高度也不宜超过1m。()
According to the text, the process of linguistic prejudice is deeper than it seems because
A. accents may be viewed as forms of social identity
B. accents are key ways to indicate class and prosperity
C. accents are typically most distinct among minority groups
D. there is really no one accent that should be thought of as superior
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