如图是几种植物，请分析并回答下列问题（填序号）

根据短文内容，完成下列各题。

We Both Like Music

    My name is Frank White. I'm fourteen years old. I was born on May 13th, 1999. Mike is my good friend. His birthday is May 15th. He is only twelve years old now. Every year on May 14th, we have a birthday party together(一起) at our school. Many friends come to our party. We all have a good time at the party. We both like music. We often have a pop concert. I play the guitar. He plays the drums. Mike often sends me some CDs and I often send him tickets for concerts.

①盲从父母，不与父母发生任何分歧②努力学习积极上进，不让父母操心

③理解自己的父母，体谅父母的辛苦④热爱自己的家人，学会感恩和奉献

下表是某生态学家跟踪一个鹿群的变化，收集了30年的研究数据，请据表回答问题：

问题：

（1）图表能客观地反映研究对象的变化规律．如图1是某同学利用上述图表绘制的一张直方图，请你查找一下该同学所画的直方图存在哪些缺陷？（至少找出两个要点）____ ．

（2）根据图1所发现的缺陷，利用表格中的数据，再绘制一张表示鹿群数量变化的曲线图（在图2坐标系中画，要求画得科学标准）____ ：

（3）如果鹿群数量的减少是因为鼠害严重，导致草原植被大量破坏形成的．你分析一下，鼠害严重发生的时间段最可能是____ ．