题目

阅读理解；阅读下列内容，从每小题所给的四个选项中选出一个最佳答案。A These are all the messages that Helen got yesterday. Read them carefully and find the best answers to the questions.1. What do you think Hoppy Feet is?    A. A book.          B. A film.           C. A song.         D. A basketball match.2. Who asked Helen to buy some milk and sugar?      A. Chris.            B. Lisa.              C. Jack.             D. Steve.3. What time can Helen get her computer back?A. At 8 : 00 a. m.   14．在平面直角坐标系xOy中，已知点P在曲线xy=1（x＞0）上，点P在x轴上的射影为M．若点P在直线x-y=0的下方，则$\frac{Ohttp://pic.7249.cn^{2}}{OM-MP}$的最小值为2$\sqrt{2}$．