描写过年习俗的古诗“千门万户瞳瞳日，总把新桃换旧符”中，“新桃”指的是( )。

A．新鲜的桃子
B．桃色的新衣
C．桃木制作的新门神
D．绘有寿桃的新年画

A flooded lifeboat on board a vessel would adversely affect the vessel’s stabbility by（）.

A.increasing the righting moment

B.decreasing the vessel's displacement

C.increasing the reserve buoyancy

D.shifting the CG(center of gravity) off center