【简答题】I am still not sure how best to _____(处理) of the shares.
【单选题】The time is running out and I am still not sure what to choose as the topic for my first essay.
A.
to become used up so that there is no more left
B.
to meet somebody by chance
【单选题】目前我国柔性路面设计是以双圆荷载作用下的( )体系作为设计理论。
【简答题】焊接用保护气体的作用是在焊接过程中保护( )、( )及( )的高温金属免受外界有害气体侵袭。
【单选题】我国目前柔性路面设计是以双圆垂直均布荷载作用下的()体系作为设计理论。