从半球位置看，我国位于（　　）

在寻找马航MH730航班的过程中，某搜寻飞机在空中A处发现海面上一块疑似漂浮目标B，从飞机上看目标B的俯角为α，此时飞机的飞行高度AC=1200米，tanα= $\frac{5}{12}$，则飞机距离疑似目标B的距离AB为（　　）

曾经不可一世高高在上的大清帝国一夜之间被英国人打得颜面扫地，这掀开了中国一百多年的屈辱史．这场导致中国走进屈辱历史的战争是（    ）

在下列各句的空格内填上一个适当的完整的单词，该词的首字母已给出。
1. Tony is really p____. He keeps waiting outside the house for almost three hours.
2. The f____  stood on the board, laughing happily, because they caught lots of fish this time.
3. When I heard of my grandma's d____, I couldn't help crying.
4.Parents hope their children can do best in the class, so they usually e____  too much of their children.
5. There is nothing in the box. It's e____