植物中的__________可作为监测空气污染程度的指示植物。
苔癣植物
（）of the following items is not in the charge of Chief Officer in repairing operation.
A.hull cleaning
B.derusting and painting
C.the maintenance of boiler
D.docking and undocking
杨昊、赖亚文、王一梅是哪个体育项目的国家队名将？
