根据短文内容，选择正确答案。
Mike is a middle school student. He is 16 years old. He had a bad cold last night. He felt bad and couldn't eat anything. So he went to see a doctor. The doctor gave him a bottle of medicine. But he doesn't know when to take the medicine. Can you tell me what the doctor means? These are the instructions (用法说明):
You should shake (摇晃）it before you take. Take it three times a day after meals.
Dose (剂量)
Age: over 15 2 teaspoonfuls
8-15 1 teaspoonful
5-7 1/2 teaspoonful
Children under 5 years old can't take this medicine.
Please put it in a cool place. Take it before June 1st, 2014.
如图，⊙I为△ABC的内切圆，AB=9，BC=8，AC=10，点D、E分别为AB、AC上的点，且DE为⊙I的切线，则△ADE的周长为 ____
①是政府坚持科学决策的体现，有利于提高其行政管理水平
②是政府坚持科学执政的体现，有利于提高其执政能力
③是政府通过宏观调控进行经济调节的体现，履行了组织社会主义经济建设的职能
④是政府运用各种手段加强和推动社会建设职能的体现，提高了行政效率
晓彤家里有一张当年她爷爷随刘邓大军登上大别山的照片，当时她爷爷参加的部队名称是（ ）
