【单选题】下列与多细胞生物体结构层次相关的叙述,正确的是( )
A.
动植物体表的组织都有保护作用,都属于保护组织
【判断题】Under constructive total losses,the insured can ask the insurer to cover all the losses.
【单选题】All Risks insurance excludes losses caused by ( )
A.
general extraneous risks
B.
special extraneous risks