单项选择题
A．salted cucumber；silicon carbide B．scented tea；salted cucumber C．silicon carbide；scented tea D．scented tea；silicon carbide
A．残损鉴定证书；共同海损鉴定证书 B．共同海损鉴定证书；验残证书 C．验残证书；残损鉴定证书 D．验残证书；共同海损鉴定证书
A．urea；sulphur；walnut B．sulphur；walnut；urea C．sulphur；urea；walnut D．walnut；urea；sulphur