根据您提供的信息，2017年考研英语二作文分为两个部分：小作文和大作文。下面我将分别提供两个作文的参考范文。
小作文（Part A）
题目：接受邀请介绍中国文化
范文：
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Dear Professor Williams,
I am delighted to receive your invitation to present about Chinese culture to the international students at your college. I am honored to have the opportunity to share the rich heritage of my country with you all.
The focus of my presentation will be on traditional Chinese festivals, such as the Spring Festival and the Mid-Autumn Day. I will explain the origins and customs of these festivals, giving examples of how they are celebrated today.
Thank you for considering my participation. I am looking forward to your event with great enthusiasm.
Sincerely,
Li Ming
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大作文（Part B）
题目：中国博物馆数量和参观者数量的变化
范文：
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The line chart illustrates the trend of the number of museums and their visitors in China from 2013 to 2015. As we can see, there was a steady increase in the number of museums, rising from 4,165 to 4,692. Correspondingly, the number of visitors also showed a sharp growth, from 6.378 billion to 7.811 billion.
The reasons for this growth are multifaceted. Economic development has played a significant role, as has the adoption of various strategies by the relevant departments to promote culture and education. Museums have become increasingly popular as centers for learning and entertainment, attracting a diverse audience.
In conclusion, the data presented in the chart reflects the positive development of China's cultural infrastructure and the growing public interest in cultural activities.
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以上范文仅供参考，实际写作时应注意审题，确保内容符合题目要求，并且注意文章的结构和语法正确性。