请以《别了                    》为题写一篇作文。

要求：①请先将题目补充完整，然后作文；②立意自定；③记叙文；④不少于800字。

图示实验操作正确的是（）

   Many students know what they want to be in the future* . We think boys are different from girls. Here is a survey in Green High School. Let's look at the diagram* .