【简答题】钢结构的优点有哪几种?钢结构的缺点有哪几种?
【单选题】It is for a person in his position to make such a mistake.
【判断题】磁体有两极,若把它截成两段,则一段为 N 极,一段为 S 极。( )
【单选题】Rarely ____such a silly thing.
【单选题】Rarely ___about such a silly thing
C.
I have been hearing of
【单选题】Rarely such a silly thing.