请根据你在显微镜下观察口腔上皮细胞所看见的细胞结构，用铅笔在答题卡相应方框中画出一个口腔上皮细胞的结构图，并标注出细胞格结构的名称．
长平之战，发生于最有实力统一中国的秦、赵两国之间，赵国遭受了毁灭性的打击，而秦国国力却大幅度超越了同时代各国。它极大地加速了秦国统一中国的进程，催生了中国历史上第一个封建集权的大帝国。请你计算一下，从秦王嬴政完成统一到2012年，一共经历了多少年( )
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.
