当托运人将货物转交承运人，承运人自接受货物直到将其送达收货人，这期间，承运人对货物负有保管的责任与义务。
参考答案：对
在水绵细胞内，形状像带子，呈螺旋状排列的结构是
A．细胞核
B．细胞膜
C．叶绿体
D．液泡
.--- What are you going to do next?
--- To write a science story about outer space ___ by Science and Technology Press.
A．published
B．being published
C．to be published
D．publishing
