氯酸钾是____ 色，硫磺是____ 色．
下列行为中属于侵害公民名誉权的行为是（ ）①张三在众人面前讽刺、嘲笑李四②赵刚公然谩骂王五③钱辉捏造孙华是小偷④郑七利用自己的良好声誉获得更多的经济利益
-- Many students don't know what to stress and become worried.
-- I think they'd better ask their teachers for help.
