沉默表明他对这个话题不感兴趣。
正确答案：
His silence showed that he had no interest in this topic/was not interested in this topic.
本题解析： 暂无解析
Any policy that may lead to the rise in unemployment is likely to meet with strong___ (resist)
Each student is to give a short___ (speak)to the rest of the class at the end of the semester.