Unit 9 I like music that I can dance to（第2课时）
【学习目标】
1) 学习掌握下列词汇：down, dialogue, ending, documentary, drama, plenty, plenty of, shut, shut off, superhero, once in a while
2) 能掌握以下句型：
① While some people stick to only one kind of movies, I like to watch different kinds depending on how I feel that day.
③ But they try their best to solve their problems.
④ Laughing for two hours is a good way to relax.
