问题
单项选择题 A1/A2型题
氮芥与下列哪个药物性质及作用机制相同（）
A.环磷酰胺
B.卡莫司汀
C.阿糖胞苷
D.巯嘌呤
E.多柔比星（阿霉素）
答案
参考答案：A
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氮芥与下列哪个药物性质及作用机制相同（）
A.环磷酰胺
B.卡莫司汀
C.阿糖胞苷
D.巯嘌呤
E.多柔比星（阿霉素）
参考答案：A
Martin is a fifteen-year-old boy. He used to be a “problem child”, but a recent communication with his mother changed his life. In the past, He didn’t give his mother many problems. , after his father’s death a few years ago, Martin’s life became more difficult. His mother couldn’t afford to pay for her child’s education. To do this, she work, and so was often not at home. His mother looked after him as as she could. Unluckily, Martin still caused problems. He was not studying and he often got into trouble. Luckily, his mother was very and didn’t give up trying to help him. In the end, she a difficult decision: to send him to a boys’ boarding(寄宿) school. Martin hated it and used to cause a lot of trouble. One day, he told his teacher he wanted to leave the school. The teacher said was necessary for Martin to talk with his mother. Martin called his mother, but to his ,this phone call changed his life. “It was exactly what I needed,” he said. “My mother helped me to understand how much she had given me. Now Martin has changed. He has been working hard and is now one of the best students in his class. How was he able to change? His mother’s love helped him to feel good about himself.
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