红色旅游是青少年接受革命传统教育的方式之一,小明暑假准备外出旅游,了解20世纪30年代“党的历史上生死攸关的转折点”,他应该去[ ]
A.北京
B.上海
C.南昌
D.遵义
答案:D
It's necessary to be prepared for a job interview. _____ the answers ready will be of great help. [ ]
A. To have had
B. Having had
C. Have
D. Having
某桥梁基础所有外力的合力作用点至截面的重心的距离为1.2m,在沿截面重心与合力作用点的连线上,自截面重心至检算倾覆轴的距离为3.6m,该墩台基础的倾覆稳定系数为()。
A.2.0
B.3.0
C.4.0
D.不确定