小题1:D
小题2:D
小题3:A
文章讲述的是在考试的时候要注意的一些问题。
小题1:猜测词义题，根据Do not stay up late at night learning things可知，此处指的是熬夜学习 。
小题2:事实细节题，根据Do not stay up late at night learning things. Before you start the examination, read carefully over the question paper可知首先要仔细地阅读题目
小题3:推理判断题，根据When you have at last finished your examinations, read over your answers. Correct any mistake which you see and make sure that you have not missed anything out.可知，在交试卷之前要详细地检查