硫酸液误吸引起皮肤黏膜烧伤，皮肤黏膜痂皮呈A．白色 B．红色 C．黑色 D．棕色 E 发布时间：2017-06-19 02:30 │ 来源：www.tikuol.com 题型：单项选择题 问题： 硫酸液误吸引起皮肤黏膜烧伤，皮肤黏膜痂皮呈A．白色B．红色C．黑色D．棕色E．黄色
题型：单项选择题 It is said that the early European playing-cards _____ for entertainment and education.A. were being designed B. have designed C. have been designed D. were designed 查看答案