高速客船专用码头上下旅客设施应该畅通，牢固，符合安全条件，夜间应有足够的照明，冬季应采取防冻防滑等安全保护措施。
参考答案：对
Every possible means ________, but the teacher as well as the students ________ found a solution to the problem yet.
A．has been tried; hasn’t
B．has tried; haven’t
C．have tried; haven’t
D．have been tried; hasn’t
职工伤亡事故发生后，应采取哪些紧急处理措施
