散剂的比表面积较大,易吸湿、结块,甚至变色、分解,从而影响疗效及服用。因此用适宜的包装材料和贮藏条件以延缓散剂的吸湿非常重要。常用的包装材料有有光纸、玻璃纸、蜡纸、玻璃瓶、塑料瓶、硬胶囊、铝塑袋及聚乙烯塑料薄膜袋等。 11.普通药物包装应该选用 A. 有光纸 B. 有色纸 C. 玻璃纸 D. 蜡纸 E. 塑料袋
【简答题】Read the passage about Mozart’s music and answer the following questions: Many kinds of music can stir the imagination and produce strong feelings. For some people, romantic composers such as Chopin a...
【简答题】Procrastination means _________. a. doing your work quickly b. doing your work well c. putting your work off till later 2 Sometimes we procrastinate because a task seems too _________. a. easy b. bi...
【单选题】SECTION A CONVERSATIONS Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 听力原文:W: Hi, Mike, do you have ...