俺试一试.
1.The author spent most of the previous night chatting and hanging out with friends,therefore he fell asleep in class.The author was woken up by the teacher in an unique way.The author was influenced by the teacher's affection and happiness.The author realised that getting things done happily is the most productive way.
2.This article discussed the negative effects of global warming.
3.Through introducing the pressure that children now-a-days face,the article discusses the lack of ways to find relief and activities to relieve stress.It mentioned that parents should avoid placing more stress on these children.
4.Many companies encourages "service with a smile",however a recent research study shows that these forced smiles doesn't actually have any positive effect.
希望有用.加油!