近期的一系列事件讓我失望。

同樣是中文網站，不同地方的評論素質差了不知多少個數量級。
有的地方評論都相當理性，有的地方卻只有打着愛國旗號卻對同胞冷酷無情的流氓。

"A series of recent events"refer to :
1. Some students doubt the so-called heros on scientific grounds, and were severely criticised by some media.
2. A famous TV host was severely punished just because he made fun of the so-called heros.

回覆：4樓
Those can be found everywhere in primary school textbooks of prc, like "yellow continue light"