丰田“汽车门”给我国汽车制造企业的启示：
A．不断提高汽车的劳动生产率
B．努力降低汽车的生产成本
C．提高劳动者的工资水平
D．视质量为企业的生命
答案：D
— Were you alone at home yesterday?
— Yes, my children as well as my wife _____ invited to the party. [ ]
A. was
B. were
C. has been
D. have been
关于口腔颌面外科清创缝合的原则，哪项是错误的
A．彻底清创但应保留尚有生机的组织
B．伤后24小时以后的创口均不进行初期缝合
C．组织器官与解剖标志应准确对位
D．操作要轻柔，缝合应细致，以免加重畸形与功能障碍
E．清创缝合时应注意面部容貌与生理功能的整复与重建
