考研作文开头可以使用以下几种万能句型：
描述现象变化
"With the rapid development of technology, the way we communicate has undergone a significant transformation."
"As the world becomes increasingly interconnected, cultural exchanges have become more frequent."
提出问题
"The issue of climate change has become a pressing concern in recent years."
"The problem of food security remains a major challenge for many nations."
引用名言或观点
"As Shakespeare once said, 'To be, or not to be, that is the question.'"
"Many believe that education is the key to success in life."
对比论证
"Compared to the past, today's society is more aware of environmental issues."
"Despite the advancements in medical technology, there is still a need for further research."
假设情景
"If we had more time, we could explore the depths of this subject further."
"Imagine a world where all individuals had access to quality education."
强调重要性
"It is imperative that we address the issue of climate change at the earliest opportunity."
"The well-being of our planet is of utmost importance to future generations."
使用这些句型时，请确保结合自己的观点和论据，使文章内容丰富且具有说服力。