一个数的相反数是2，则这个数是（    ）

下图反映的历史事件是（    ）

    Next to（靠近） the No.l Middle School is a school store. It's not 1but it has 2 of school things (学习用品). D0 3 like books, erasers, pens 4color pencils? They're 5 sale. Big erasers are only one yuan6 and the small one is 0.5 yuan. Those color pencils are only7two yuan. I want the yellow pencil sharpener(卷笔刀). It is8a good price. I'll take it. Do you need some school things for 9?10to this store!

填写句子。

①但愿人长久，____。

②落霞与孤鹜齐飞，____。

③____，把酒问青天。

④人有____，月有____，此事古难全。