近年来，研究性学习已经成为教育技术界乃至整个教育界研究的热点问题。
In recent years, research-based learning has become a focus in the circle of education technology, even the whole circle of education.
近年来，大学生就业难已经成为当今社会的热点问题。
In recent years, the difficult employment for university students has become a hot issue.
近年来，医疗损害纠纷日益增多，已经成为全社会广为关注的一大热点问题。
In recent years, the increase of controversies over medical damage has called increasingly public attention.
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