厌氧菌感染的脓液特点是
A.脓液稠厚,黄色无臭B.稀薄,淡红色C.绿色,有霉腥味D.灰白,无臭E.有特殊恶臭
参考答案:E
John tired ________after he fell off the his bike, but he failed. [ ]
A. not cry
B. didn't cry
C. not to cry
麻醉药品是指连续使用后易产生身体依赖性、能成瘾的药品,如吗啡、度冷丁、可待因等,又称麻醉药。