【单选题】The girl is _____ beautiful ____ she may become a film star when she grows up.
【单选题】The firing of a red star signal may mean().
A.
This is the best place to land
B.
You are seen - assistance will be given as soon as possible
C.
Tail block is made fast
【简答题】拓展训练是一种户外体验式训练,源于英文A. Outward Bound
【单选题】()是一种表面经过机械加工的T形的钢轨,坚直地安装在井道中,用于电梯轿厢或对重的运动导向。