文中从句数量不足;采用了恰当的衔接手法,层次清晰;拼写方面做得很棒,平时练习中注意词汇量的积累。
We also found that, in 2015, t the keyword “Social Media” appear in top 30, and it’s first appearance is in 2011, rose to 15 with its associated keyword Twitter in 2015. Its emergence and growth time are very short in natural disaster research, but now it has become a rising hotspot.
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