皮皮学，免费搜题
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【简答题】
补全对话。 ( )1. Where did you go on vacation? ( )2. How do you feel about it? ( )3. What did you go there? ( )4. How was the weather there? ( )5. Did you buy anything? A. It was fine and shining. B. I swam in the sea and had some sea food. C. I'd like to go there next summer. D. I went to Hainan. E. Yes, I bought some souvenirs.
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】轴心受压构件的整体稳定系数ϕ与构件（）等因素有关。
A.
截面类别、两端连接构造、长细比
B.
截面类别、钢号、长细比
C.
截面类别、计算长度系数、长细比
D.
截面类别、两个方向的长度、长细比
【简答题】引用公文应当先引发文字号，后引标题。（ ）