题目内容

满堂脚手架架体周圈与中部应按规范要求设置 ()

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The studies in the text seem to indicate that people tend to______.

A. use accent as the main way to judge others
B. criticize those whose accents are different from their own
C. think their own accent is superior and stereotype accents of others
D. have very little knowledge about what constitutes a standard accent

腐泥化作用也称为沥青化作用。()

交代矿体与围岩的界线一般是渐变的。()

硅藻土矿床是一种胶体化学沉积矿床。()

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