问题
单项选择题 A1/A2型题
下列反应属于鉴别巴比妥类药物苯环取代基反应的是（）
A.铜盐反应
B.汞试液反应
C.硫元素的反应
D.亚硝酸钠-硫酸的反应
E.以上都不是
答案
参考答案：D
解析：鉴别巴比妥类药物苯环取代基反应的有亚硝酸钠-硫酸的反应和甲醛．硫酸反应。
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下列反应属于鉴别巴比妥类药物苯环取代基反应的是（）
A.铜盐反应
B.汞试液反应
C.硫元素的反应
D.亚硝酸钠-硫酸的反应
E.以上都不是
参考答案：D
解析：鉴别巴比妥类药物苯环取代基反应的有亚硝酸钠-硫酸的反应和甲醛．硫酸反应。
A teenage girl couldn’ t stand her family rules , so she left home. She wanted to be a star and became famous. But she had a little education and years later, she had to ask for food on the street for a living. Now her father has died. Her mother is an old woman. But she is still her daughter. She has been to every corner of the city. Everywhere she goes, she a big photo of her daughter on the wall. At the lower part of the photo she writes,“I still love you… Come back home! ” One day, the daughter saw one of the photos. She was so surprised that she couldn’t believe her .“Is that me?” She moved and read the words,“I still love you…” She cried. She couldn’t wait back home. When she got home, it was early morning. She pushed the door. The door opened itself. She rushed to the bedroom at once. Her mother was sleeping there. She her mother up,“It’s me! Your daughter is back home!” The mother and daughter looked at each other with excitement, full of happy tears. The daughter asked, “ is the door unlocked? A thief could get in.” The mother answered softly,“The door has never locked you left. We miss you all the time. We believe that you’ll come back some day.” As everyone knows, parents love their children forever. Children should also understand their parents and share their happiness, sadness, even everything with their parents. _ this way, both parents and children can be happy.
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