Directions: You are to write a composition of about 200 words entitled “Smog in China” based on the outline given below in Chinese. You should write your composition on the ANSWER SHEET.
1. 近年来中国大陆上雾霾越来越频繁，带来的污染也日趋严重。
2. 在我国导致雾霾的原因很多，比如……，但主要还是由于……引起的。
3. 我认为减少雾霾有效办法应该是……
