【判断题】现代科学技术发达了,艾滋病可以完全治愈。
【简答题】已知矩形截面梁,截面尺寸b×h=300mm×400mm,混凝土强度等级C20(f c =9.6N/mm 2 ,f t =1.1N/mm 2 ),混凝土保护层厚度为25mm,箍筋采用HPB300(f yv =270N/mm 2 ),纵筋采用HRB335(f y =300N/mm 2 )。经计算,梁弯矩设计值M=15kN·m,剪力设计值V=15kN,扭矩设计值T=3.8kN·m。试确定梁的配筋。
【单选题】标准直齿圆柱齿轮分度圆直径 d、基圆直径 、与压力角 α三者的关系是
【简答题】已知矩形截面构件,b×h=250mm×500mm,承受扭矩设计值T=12.5kN·m,弯矩设计值M=90kN·m,均布荷载产生的剪力设计值V=99kN,采用C25级混凝土(f c =11.9N/mm 2 ,f t =1.27N/mm 2 ),钢筋采用HPB300(f y =270N/mm 2 )。混凝土保护层厚为25mm(二a类环境)试计算其配筋。
【简答题】I will languish, I will refuse my meals; I will wander the face of the earth, a shambling, hollow-eyed hulk.
【单选题】--- I visited Venice last month and I spent lots of time walking in the streets. --- What great pleasure it is through a strange city!
【单选题】My attention was beginning to wander and therefore I am afraid that I ____ the main point of the lecture.
【判断题】《西游记》体现的诸多思想中有一种是“戴罪立功”的思想。()