Participants were balanced across the three groups for age, sex, educational background, severity and duration of depression, and use of antidepressant.
2019年6月四級真題（第三套）閱讀 Section C
Its severity is no match for the Great Depression of 1929.
出自-2013年6月閱讀原文
We are finally waking up to the severity of the problem by supporting and developing a group of tools, apps and approaches intended to prevent scammers from getting through.
2019年高考英語北京卷 閱讀理解 閱讀C 原文
But the epidemic is "moderate" in severity, according to Margaret Chan, the organization's director general, with the overwhelming majority of patients experiencing only mild symptoms and a full recovery, often in the absence of any medical treatment.