短文改错 （共10小题，每小题1.5分，满分15分）

My summer travel started terribly. I was at the Shanghai Railway Station buy a ticket to Hangzhou. I was going to visit a friend here and after that I would go to Xiamen for long holiday. I bought my ticket but turned around to pick up my bag form the floor and then I realized that someone had stolen it. Luckily I had all my money on my pocket, but the only clothes I had was those I had on. It felt very strange to travel without any luggages. When I finally arrived at my friend he lent to me lots of clothes. I feel very happy that I could change my clothes at last.

药物分析的任务是检验药品质量、生产过程中的质量控制、药物贮存过程的质量考察及临床药物分析工作。