根据对话内容，从对话后的选项中选出能填入空白处的最佳选项，并将答案标号填写在答题卡上相应题号后的横线上。选项中有两项多余选项。

A：Frank，it’s almost vacation time．Have you found a summer job yet?

B： 小题1:  But camp job doesn’t pay much．How about you?

A：Well，I think I can get a j ob at the Friendship Hotel．A friend of mine was a waiter there last summer．The pay wasn’t good，but he got a lot of tips．He was happy with it．

B： 小题2: She enjoyed it．She said a restaurant was a good place for her．

A：小题3:After sitting in school classes all winter，I'd like a job in open air．

B：You are right．Everybody knows high school kids earn a lot just by cutting grass every summer．My brother is only fifteen，but he gets eight dollars every time he cuts somebody’s grass．It takes him only an hour!

A：小题4:But now，I think I might work for a building company，or something like that．

B：小题5:You can learn a 10t．

A：Well，I'd like to have a try．

以下关于药物水解反应的叙述，正确的是（）

A.酯类、酰胺类药物易发生水解反应

B.水解反应与溶剂的极性无关

C.对于水解的药物，有时采用非水溶剂，乙醇、丙二醇等可使其稳定

D.水解反应速度与介质的pH值无关

E.一级反应的水解速度常数K=0.693/t_1/2