问题
单项选择题
根据流体动力学平衡原理设计的缓控释制剂为（）
A.膜控释小丸
B.渗透泵片
C.磁性微球
D.胃滞留控释制剂
E.溶蚀性骨架片
答案
参考答案：D
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根据流体动力学平衡原理设计的缓控释制剂为（）
A.膜控释小丸
B.渗透泵片
C.磁性微球
D.胃滞留控释制剂
E.溶蚀性骨架片
参考答案：D
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Home Alone  It was Sunday afternoon. My brother and I were alone at home. My parents went for a party and asked me to look after my brother. I was doing my homework while my younger brother was watching TV. Suddenly the doorbell rang. Ding-Dong! My brother thought that it was our parents, so he opened the 1 quickly. A tall man wearing a black raincoat stood outside. He said that he came to sell books and asked politely 2 our parents were at home. Without thinking, my brother said, "No." Then the man asked if we would like to 3 some story books. I refused him. When I wanted to close the door, he suddenly pushed the door very 4 and came into our house. He took out a 5 and ordered me to tie up my brother's hands with a rope. I tied up his hands in a special way so my brother could untie 6 easily. The man then tied my hands up and locked 7 of us in the kitchen. Soon, he went upstairs to 8 money. I taught my brother to untie the rope on his 9 He then untied me. I rushed to the telephone to call the police, 10 the line was dead. The doors were all locked from the outside. It was lucky that the man 11 to lock the kitchen window. We got out of the house through the kitchen window and went to the 12 pay phone to call the police. Soon 13 came to our house and the man was caught. By that time, my parents had come home. We told them the whole story. My parents were 14 that we were, lot hurt. They told me that I should stop my brother from 15 the door to strangers. I learnt a lesson on safety. | ||||
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