题目内容：
围岩基本分级由 ________和 ________两个因素确定。参考答案：
选择题：围岩基本分级由 ________和 ________两个因素确定。
- 题目分类：石家庄铁道大学隧道工程
- 题目类型：选择题
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According to the passage the problems of college e
According to the passage the problems of college education partly arise from the
I usually get up( )7 o’clock in the moring.A、at
I usually get up( )7 o’clock in the moring.A、atB、inC、on
(问答题)当x→0+时，计算Iim1-cosx/x(1-cosx)(本题12.5分)
(问答题)当x→0+时，计算Iim1-cosx/x(1-cosx)(本题12.5分)
_________ might be expected, the response to the q
_________ might be expected, the response to the question was very mixed.A.AsB.T
钢拱架的截面高度应与喷射混凝土厚度相适应，一般为_____cm
钢拱架的截面高度应与喷射混凝土厚度相适应，一般为_____cm