如图，下列哪一本书被西方国家称为“东方医药学巨典”？ （     ）

在平面直角坐标系中，点M（-3，2）关于x轴对称的点在（    ）

阅读下面短文，将文中划线句子译成中文。
　　Some kids in boarding school often like to talk with their roommates. ____ They won’t stop talking until someone comes to stop them. This is the reason why many of them are sleepy in class the next day. Lack of (缺乏) sleep is bad for their health. Growth hormones (生长激素) are very important if one is to grow taller. ____ The body makes the most hormones between 10 p.m. and 2 a.m. While you are asleep. ____ This means that if you don’t get to sleep at the time, you won’t grow taller.

2005年6月19日建成的大包干纪念馆开馆仪式应在（    ）