通过分析组成和结构，可以预测物质的某些性质。根据下图硫酸氢钠溶液的微观图示，分析推测NaHSO₄的性质，其中不合理的是(  )

Kitty is a lovely girl. Today she goes to the city to visit her aunt. There are so many hotels and restaurants in the city. She can't find the way to her aunt's house. She is lost. She wants to cross(穿过)the street. But there are too many buses and cars. She feels afraid. She stops in the middle(中间). A policeman comes and helps her to cross the street. Then he tells(告诉) Kitty how to get to her aunt's house. Kitty says“thank you”and then she gets there safely(安全地). Both(两者都) Kitty and her aunt are happy.

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安全用药事关人体健康，下列有关安全用药的叙述，正确的是（    ）