受压构件,两端铰支,其临界力为50kN,若将构件改为两端固定,则其临界力为()kN。
A. 50
B. 100
C. 150
D. 200
查看答案
为明确诊断,首选的检查是
A. 腹部CT
B. 腹平片
C. 钡灌肠
D. 纤维结肠镜
E. 腹部B超
We are proud to let you know that at our library, every (147) library card we give out is to a kid, and forty percent of all books that are checked out are for the children. So it is needless to say that kids prefer to use our facility as we can meet kids' specific demands more than any other library. We greatly acknowledge the importance of providing support for kids to read all through this summer. Statistics (148) that children who read a wide variety of books in summer have less difficulty in their reading skills at the start of school year. Reading is still (149) to as the strongest sign of success in the academic achievement.
(47)
A. another
B. other
C. one
D. alternatively
如果小王跟随母亲一起生活,一次将邻居家的小孩打伤,花去医药费5000元。下列说法正确的是()。
A. 只能由小王赔偿
B. 只能由小王的母亲赔偿
C. 由小王的父亲和母亲共同赔偿
D. 在小王的母亲无力赔偿的情况下,由小王的父亲赔偿