2019年考研英语一大作文的主题是个人品质，具体表现为坚持与不放弃。以下是根据您提供的参考信息整理的作文结构和内容要点：
作文结构
描述图片 ：简要介绍图片内容，包括场景和人物动作。解释寓意：
阐述图片所隐含的意义，即坚持的重要性。
个人评论：
给出自己的观点或建议。
作文内容要点
描述图片
描述两个爬山的人，其中一个坐在台阶上表示放弃，另一个递水并鼓励他继续爬。
解释寓意：
强调坚持的重要性，指出放弃是容易的，但坚持才是成功的关键。
个人评论：
鼓励读者在面对困难时不放弃，坚持到底。
结尾部分
可以提出一个积极向上的结论，强调坚持的价值。
示例段落
描述图片：
"The picture vividly portrays two men climbing a mountain. One, exhausted, sits on a step, resting his chin on his hands, clearly indicating his fatigue and his intention to give up. The other, from below, extends a bottle of water with a smile, saying, 'Don't give up, rest a bit and then continue climbing.'"
解释寓意：
"The symbolic meaning behind the picture is rather explicit: the virtue of persistence or not giving up is highlighted. The scene illustrates that it is not enough to just dream； we must also take action to turn our dreams into reality. only by persisting can we overcome the rapidly changing world and achieve success."
个人评论：
"As we look at this scene, it is a reminder that in the journey of life, it is often the case that we encounter moments of doubt and fatigue. However, it is precisely these moments that test our resolve and strength of character. It is in these moments that we must dig deep and find the will to press on, to not give up."
以上是根据您提供的信息整理的作文结构和内容要点。