题目

完形填空 Perhaps most people know the Chinese famous boxer Zou Shiming, but how many people are familiar with the exciting sport—boxing or Thai(泰国的)boxing? Boxing(拳击)is popular in many countries. Two fighters wear boxing gloves on their 1 . A bell rings. The boxers 2 each other until one knocks the other out. Each part of the fight is three 3 long. It is called a round. Thai boxing is different. The boxing match 4 music from drums and flutes. Then the two fighters kneel(跪)and pray to God. Next they do a slow dance that copies the movements of Thai boxing. During this dance, 　　现有3组混合液：①乙酸乙酯和乙酸钠溶液　②乙醇和丁醇　③溴化钠和单质溴的水溶液，分离以上各混合液的正确方法依次是（　　） 　　A．分液、萃取、蒸馏　　　　　　　　     B．萃取、蒸馏、分液 　　C．分液、蒸馏、萃取 　　　　　　        D．蒸馏、萃取、分液